Manual of U.S. Patent Classification
as of June 30, 2000

Class
516
COLLOID SYSTEMS AND WETTING AGENTS; SUBCOMBINATIONS THEREOF; PROCESSES OF

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Subclass		Title
ClassTitle		===> COLLOID SYSTEMS AND WETTING AGENTS; SUBCOMBINATIONS THEREOF; PROCESSES OF
		This Class 516 is considered to be an integral part of Class 252 (see the Class 252 schedule for the position of this Class in schedule hierarchy). This Class retains all pertinent definitions and class lines of Class 252.
1		CONTINUOUS GAS OR VAPOR PHASE: COLLOID SYSTEMS; COMPOSITIONS CONTAINING AN AGENT FOR MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF PREPARING THE COMPOSITIONS (E.G., SMOKE, FOG, AEROSOL, CLOUD, MIST)
2		. Discontinuous phase formed by combustion or oxidation/reduction reaction (e.g., smudge-pot smoke)
3		. . Steam present
4		. Discontinuous phase formed by hydrolysis step (e.g., metal oxide from metal chloride/water reaction)
5		. Steam present
6		. Discontinuous phase primarily liquid (e.g., mist, fog)
7		. . The discontinuous phase contains a solid phase (e.g., seed nucleus, microcapsules, smokey fog)
8		. . The continuous phase contains a propellant derived from non-gaseous phase (e.g., liquified propellant, such as hydrocarbon, halogenated hydrocarbon, dimethylether; sorbed or dissolved CO2)
8.1		. . . Precursor contains plural immiscible liquid phases (e.g., emulsion)
9		CONTINUOUS LIQUID OR SUPERCRITICAL PHASE: COLLOID SYSTEMS; COMPOSITIONS CONTAINING AN AGENT FOR MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF PREPARING THE COMPOSITIONS (E.G., MICELLE; THICKENING AGENT; PROTECTIVE COLLOID AGENT; COMPOSITION CONTAINING AN EMULSIFYING AGENT WITH NO DISPERSANT*DISCLOSED; ORGANIC LIQUID EMULSIFIED IN ANHYDROUS HF):
10		. Having discontinuous gas or vapor phase, e.g., foam:
11		. . With particulate solid
12		. . The agent contains organic compound containing halogen
13		. . The agent contains organic compound containing phosphorus or silicon
14		. . The agent contains organic compound containing sulfoxy*
15		. . The agent contains organic compound containing nitrogen, except if present solely as NH4+
16		. . . The compound contains plural peptide linkages, i.e., compound formed from amino acids, natural or synthetic, by reaction of a carboxyl group of one such amino acid with an amino group of another same or different such amino acid
17		. . . The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
18		. . The agent contains organic compound containing oxygen
19		. . . The compound contains -C(=O)OH group or salt thereof
20		. Primarily organic continuous liquid phase (e.g., organic liquid emulsified in an organic liquid)
21		. . Discontinuous phase primarily inorganic liquid (e.g., water-in-oil emulsion, w/o)
22		. . . Three or more phases (e.g., w/o emulsion also containing solid particle suspension)
23		. . . The agent contains organic compound containing silicon
24		. . . The agent contains organic compound containing phosphorus (e.g., lecithin)
25		. . . The agent contains organic compound containing sulfoxy*
26		. . . . The organic compound contains nitrogen, except if present solely as NH4+
27		. . . The agent contains organic compound containing nitrogen, except if present solely as NH4+
28		. . . The agent contains organic compound containing oxygen
29		. . . . The compound contains -C(=O)O- (e.g., glyceride)
30		. . . . The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
31		. . Discontinuous phase material primarily solid or semisolid (e.g., colloid- sized dispersion of gel particles, or paraffin wax, or polytetrafluoroethylene)
32		. . . The material primarily contains elemental carbon (e.g., graphite, diamond)
33		. . . The material primarily contains inorganic material (e.g., chrome yellow, sodium nitrite)
34		. . . . The inorganic material primarily contains compounds containing both silicon and oxygen, or both aluminum and oxygen, or combinations thereof (e.g., silica (SiO2) organosol*, silica alcosol, talc, clay)
35		. . . . The inorganic material primarily contains elemental alkali metal or primarily contains an alloy which primarily contains elemental alkali metal (e.g., sodium)
36		. . . . The inorganic material primarily contains antimony oxide
37		. . . . The inorganic material primarily contains elemental sulfur
38		. Aqueous continuous liquid phase and discontinuous phase primarily coal or elemental carbon or bituminous (e.g., asphalt, pitch, tar, montan wax, paraffin wax),:
39		. . The agent is formed in situ from native precursor by adding inorganic alkaline material (e.g., NaOH or TSP added to in situ acid)
40		. . The agent contains organic compound containing phosphorus
41		. . The agent contains organic compound containing sulfoxy*
42		. . . The compound contains -C(=O)OH or salt thereof
43		. . The agent contains organic compound containing nitrogen, except if present solely as NH4+
44		. . . The compound contains plural peptide linkages, i.e., compound formed from amino acids, natural or synthetic, by reaction of a carboxyl group of one such amino acid with an amino group of another same or different such amino acid
45		. . . The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
46		. . The agent contains organic compound containing oxygen
47		. . . The compound contains -C(=O)OH or salt thereof (e.g., soap, rosin, fatty acid)
48		. . . . Inorganic alkaline reactant is added in a separate step
49		. . . . . With added solid non-bituminous particulate
50		. . . With added solid non-bituminous particulate
51		. . . The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
52		. . The agent contains specified solid non-bituminous particulate (e.g., clay)
53		. Aqueous continuous liquid phase and discontinuous phase primarily organic liquid (e.g., organosilicon* oil- or mineral-oil*-in-water, o/w emulsion)
54		. . Three or more liquid phases (e.g., water-in-oil-in-water, w/o/w emulsion)
55		. . The agent contains organic compound containing silicon
56		. . The agent contains organic compound containing phosphorus (e.g., lecithin)
57		. . . The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
58		. . The agent contains organic compound containing sulfoxy* (e.g., sodium lauryl sulfate)
59		. . . The compound contains nitrogen, except if present solely as NH4+ (e.g., isopropylammonium dodecylbenzene sulfonate)
60		. . . . The nitrogen is a ring member
61		. . . . The compound contains -S(O2)NHH where substitution may be made for the hydrogen
62		. . . . The compound contains -C(=O)NHH where substitution may be made for the hydrogen
63		. . . The compound contains carboxylic acid ester group (e.g., partial ester, mixed ester)
64		. . . The compound contains -C(=O)OH or salt thereof
65		. . . The compound is mineral-oil* sulfonic acid (e.g., mahogany* or green* acid)
66		. . . The compound contains substituted or unsubstituted benzene ring (e.g., di-butyl-naphthalene sulfonic acid)
67		. . The agent contains organic compound containing nitrogen, except if present solely as NH4+
68		. . . The nitrogen is a ring member (e.g., polyisocyanurate)
69		. . . The compound contains -C(=O)NHH where substitution may be made for the hydrogen
70		. . . . The compound contains plural peptide linkages, i.e., compound formed from amino acids, natural or synthetic, by reaction of a carboxyl group of one such amino acid with an amino group of another same or different such amino acid
71		. . . The compound contains repeating -(OCnHn)- (i.e., repeating unsubstituted oxyalkylene)
72		. . The agent contains organic compound containing oxygen
73		. . . The compound contains carboxylic acid ester group (e.g., partial ester, natural (glyceride) oil)
74		. . . . The carboxylic acid ester group containing compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
75		. . . The compound contains -C(=O)OH or salt thereof (e.g., alkali metal soap) soap)
76		. . . The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
77		. Aqueous continuous liquid phase and discontinuous phase primarily solid (e.g., water based suspensions, dispersions, or certain sols*, of natural or synthetic ester-wax, beeswax, carnauba wax; or latex dispersion)
78		. . The solid is primarily inorganic material (e.g., mercurous halide)
79		. . . The material primarily contains compound containing silicon covalently bonded to oxygen (e.g., aluminum silicate, clay)
80		. . . . The material is a silica particle having a distinct layer containing non-monovalent metal oxide (e.g., alumina coated silica sol)
81		. . . . The material is substantially pure silica sol
82		. . . . . The silica is formed or grown by reaction of alkali silicate and non-siliceous inorganic acid (e.g., H2SO4)
83		. . . . . Ion exchange step occurs before or during growing or forming the sol
84		. . . . . Ion-exchange step employed in post-treatment (e.g., purification)
85		. . . . . Gel forming step (e.g., peptize)
86		. . . . . Hydrolysis step or elemental silicon source (e.g., forming fumed silica)
87		. . . . . Having colloid system stabilizing or preserving agent which is organic compound (e.g., deflocculant, antibacterial, esterification of unstable silicasols)
88		. . . The material primarily contains compound containing both metal and oxygen (e.g., silver nitrate)
89		. . . . The metal present in the greatest amount is yttrium, scandium, or rare earth (e.g., hydrated ceric dioxide)
90		. . . . The metal present in the greatest amount is titanium, zirconium, or hafnium
91		. . . . The metal present in the greatest amount is antimony, bismuth, or arsenic
92		. . . . The metal present in the greatest amount is tin, lead, or geranium (e.g., lead sulfate)
93		. . . . The metal present in the greatest amount is aluminum
94		. . . . . The aluminum material is fibrous or elongate
95		. . . . The metal present in the greatest amount in the compounds is iron, nickel, or cobalt
96		. . . The material primarily contains elemental selenium, tellurium, or sulfur, or compound thereof (e.g., zinc sulfide)
97		. . . The material primarily contains elemental platinum group metal, copper, silver, or gold, or compound thereof
98		CONTINUOUS OR SEMICONTINUOUS SOLID PHASE (I.E., SYSTEMS WHICH EXHIBIT PLASTICITY, ELASTICITY, OR RIGIDITY): COLLOID SYSTEMS; COMPOSITIONS CONTAINING AN AGENT FOR MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF PREPARING THE COMPOSITIONS (E.G., GEL, PASTE, GELLED EMULSION, FLOC)
99		. The solid phase contains organic material
100		. . The organic material coats, impregnates, or surface modifies solid inorganic material (e.g., dextrin modified clay)
101		. . . The organic material contains organic compound containing nitrogen, except if present solely as NH4+
102		. . The organic material contains organic compound containing nitrogen, except if present solely as NH4+
103		. . . The compound contains plural peptide linkages, i.e., compound formed from amino acids, natural or synthetic, by reaction of a carboxyl group of one such amino acid with an amino group of another same or different such amino acid
104		. . The organic material contains organic compound containing oxygen
105		. . . The compound is a carbohydrate* or carbohydrate-derivative* (e.g., mono- or polysaccharide)
106		. . . . The compound is cellulose or derivative thereof (e.g., CMC)
107		. . . . The compound is gum or derivative thereof
108		. . . The compound contains carboxylic acid ester group (e.g., glycerides)
109		. . . The compound contains -C(=O)OH or salt thereof (e.g., calcium stearate)
110		. The solid phase contains metal silicate or clay (e.g., bentonite, kaolin)
111		. The solid phase contains silica (e.g., hydrated silicagel)
112		. The solid phase contains alumina (e.g., hydrated alumina-gel)
113		COMPOSITIONS CONTAINING AN AGENT FOR BREAKING (RESOLVING) OR INHIBITING COLLOID SYSTEMS; PROCESSES OF BREAKING (RESOLVING) OR INHIBITING COLLOID SYSTEMS (E.G., GEL BREAKING OR INHIBITING, COAGULATING, FLOCCULATING); PROCESSES OF PREPARING THE COMPOSITIONS
114		. Continuous gas or vapor phase colloid system (e.g., fog dispelling, dust or contrail suppressing)
115		. Continuous liquid phase colloid system and discontinuous gas or vapor phase (e.g., foam):
116		. . The agent contains both organic and inorganic (except water) materials (e.g., amine hydrophobized silica)
117		. . . The agent contains organic compound containing silicon (e.g., siloxane hydrophobized silica)
118		. . . . The compound is polysiloxane which contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
119		. . . . The compound contains nitrogen, except if present solely as NH4+ (e.g., organosilazane treated silica)
120		. . . . The agent contains organosilane coated or treated solid particle
121		. . . . The agent contains primarily aqueous continuous phase, i.e., water carrier
122		. . The agent contains inorganic (except water) material
123		. . The agent contains organic compound containing silicon (e.g., alkylpolysiloxane oil)
124		. . . The compound is polysiloxane which contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
125		. . The agent contains organic compound containing phosphorus (e.g., lecithin)
126		. . The agent contains organic compound containing sulfoxy* (e.g., organo- sulfone, -sulfate, -sulfonate)
127		. . . Nitrogen covalently bound to the sulfur of the sulfoxy*
128		. . The agent contains organic compound containing nitrogen, except if present solely as NH4+
129		. . . The compound contains oxygen
130		. . . . The compound contains -C(=O)NHH where substitution may be made for the hydrogen
131		. . . . . The compound contains plural -C(=O)NHH where substitution may be made for the hydrogen
132		. . The agent contains organic compound containing oxygen
133		. . . The compound contains carboxylic acid ester group (e.g., natural (glyceride) oil)
134		. . . The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
135		. Continuous liquid phase colloid system and discontinuous liquid phase (e.g., breaking an emulsion)
136		. . Breaking (resolving) or inhibiting occurs on the surface of a solid agent (e.g., adsorbent, absorbent, differential adherence surface, filter, sharp edged particles)
137		. . . The agent contains both organic and inorganic (except water) material
138		. . . The agent contains inorganic (except water) material (e.g., metal screen, CaCO3, glass, clay, diatomaceous earth, sand, gravel, alum)
139		. . The agent contains material which is different from the primary components of both liquid phases of the emulsion colloid system (i.e., more than only diluting)
140		. . . The agent is liquid bath or liquid which acts to physically or chemically dissolve, bind, or destroy at least part of one liquid phase (except a colloid system making or stabilizing agent) (e.g., aqueous CaCl2 for chemically binding water)
141		. . . Aqueous-petroleum, petroleum-aqueous, aqueous-hydrocarbon, or hydrocarbon-aqueous emulsion systems
142		. . . . The agent contains both organic and inorganic (except water) material
143		. . . . The agent contains organic compound
144		. . . . . The compound contains silicon
145		. . . . . The compound contains phosphorus (e.g., sulfonated lecithin)
146		. . . . . The compound contains sulfoxy* (e.g., sulfonate terpene)
147		. . . . . . The compound contains polymer of substituted or unsubstituted phenol and substituted or unsubstituted aldehyde
148		. . . . . . The compound contains nitrogen, except if present solely as NH4+
149		. . . . . . . The nitrogen is a ring member (e.g., imidazoline salt of an organosulfonic acid)
150		. . . . . . . The compound contains -C(=O)NH or -S(O2)NHH where substitution may be made for the Hydrogen
151		. . . . . . . The nitrogen is part of the cation of a salt formed with the organic compound containing sulfoxy* (e.g., triethanol amine salt, quaternary amine salt)
152		. . . . . . . . The agent contains mineral-oil* sulfonic acid (e.g., cyclohexylamine salt of mahogany* or green* acids)
153		. . . . . . . . The anion of the salt contains substituted or unsubstituted benzene ring (e.g., cyclohexylamine salt of alkylated naphthalene sulfonic acid)
154		. . . . . . The compound contains carboxylic acid ester group
155		. . . . . . . The compound contains -C(=O)OH or salt thereof (e.g., partial ester, mixed ester, product of Twitchell process)
156		. . . . . . . The compound contains ether group
157		. . . . . . The compound contains -C(=O)OH or salt thereof (e.g., sulfonated oleic acid)
158		. . . . . . The compound contains esther (e.g., cellulose sulfate)
159		. . . . . . The compound is mineral-oil* sulfonic acid (e.g., mahogany* or green* acid)
160		. . . . . . The compound contains substituted or unsubstituted benzene ring (e.g., sulfonated nonylphenol, ammonium salt of butylated naphthalene sulfonic acid)
161		. . . . . The compound contains nitrogen, except if present solely as NH4+ (e.g., nitroso phenol)
162		. . . . . . The nitrogen is a ring member
163		. . . . . . . The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
164		. . . . . . The compound contains polymer of substituted or unsubstituted phenol and substituted or unsubstituted aldehyde
165		. . . . . . . The compound contains -C(=O)NHH where substitution may be made for the hydrogen
166		. . . . . . . The nitrogen is present in the cation of a salt
167		. . . . . . . The compound contains carboxylic acid ester group
168		. . . . . . . The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene) (e.g., alkoxylated phenol-aldehyde polymer)
169		. . . . . . The compound contains -C(=O)NHH where substitution may be made for the hydrogen
170		. . . . . . . The compound contains plural peptide linkages, i.e., compound formed from amino acids, natural or synthetic, by reaction of a carboxyl group of one such amino acid with an amino group of another same or different such amino acid
171		. . . . . . . The compound contains plural -C(=O)NHH where substitution may be made for the hydrogen (e.g., urea formaldehyde)
172		. . . . . . . . The compound contains plural nitrogen containing mers* bonded directly to each other (e.g., acylated polyamine, polyamide)
173		. . . . . . . The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
174		. . . . . . The compound is a salt composed of an organic anion and a nitrogen-containing organic cation (e.g., triethanol amine salt of oleic acid)
175		. . . . . . . The salt contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
176		. . . . . . The compound contains carboxylic acid ester group
177		. . . . . . . The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
178		. . . . . . . . The ester group is derived from mono-basic acid reactant
179		. . . . . . The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
180		. . . . . . The compound contains plural nitrogen containing mers* bonded directly to each other (e.g., poly-diallydimethylammonium chloride, polyamine)
181		. . . . . The compound contains oxygen (e.g., cresylic acid)
182		. . . . . . The compound contains sulfur (except sulfoxy*) (e.g., sulfide or disulfide linkage)
183		. . . . . . The compound contains polymer of substituted or unsubstituted phenol and substituted or unsubstituted aldehyde
184		. . . . . . . The compound contains carboxylic acid ester group
185		. . . . . . The compound contains carboxylic acid ester group (e.g., lactone, natural (glyceride) oil, oxyalkylated `blown fatty acid`*)
186		. . . . . . . The compound contains -C(=O)OH or salt thereof (e.g., partial ester, fractional ester, `blown fatty acid`*)
187		. . . . . . . . The compound contains ether group
188		. . . . . . . . . 0The compound is a carbohydrate* or carbohydrate-derivative*
189		. . . . . . . The compound contains ether group
190		. . . . . . The compound contains -C(=O)OH or salt thereof (e.g., glyceride soap, naphthenic acid)
191		. . . . . . The compound contains ether group (e.g., polyethylene oxide)
192		. . . . . . . The compound is a carbohydrate* or carbohydrate-derivative*
193		. . . . . . . The compound contains substituted or unsubstituted benzene ring (e.g., oxyalkylated bisphenol)
194		. . Breaking (resolving) or inhibiting by vaporizing, heating, or cooling
195		. . . With centrifuging, mechanical shocking, or specified agitating
196		. . . With dilution by principal component of one of the phases
197		. . Breaking (resolving) or inhibiting by centrifuging, mechanical shocking, or specified agitating
198		COMPOSITIONS CONTAINING A WETTING AGENT; PROCESSES OF WETTING; PROCESSES OF PREPARING THE COMPOSITIONS (E.G., SPREADING, PENETRATING, LEVELING)
199		. The agent contains organic compound containing phosphorus
200		. The agent contains organic compound containing sulfoxy*
201		. . The compound contains nitrogen, except if present solely as NH4+
202		. . The compound contains -C(=O)OH or salt thereof
203		. The agent contains organic compound containing nitrogen, except if present soley as NH4+
204		. The agent contains organic compound containing oxygen (e.g., carboxylic acid ester)
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		CROSS-REFERENCE ART COLLECTIONS
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900		LIQUID CRYSTAL MATERIAL OF, OR FOR, COLLOID SYSTEM (E.G., G PHASE)
901		SUBSTANTIALLY PURE CARBON (E.G., GRAPHITE, LAMP BLACK, CARBON BLACK, FULLERENES)
902		GELLED EMULSION
903		TWO OR MORE GELLANTS
904		FERMENTATION FOAM BREAKING OR INHIBITING
905		AGENT COMPOSITION, PER SE, FOR COLLOID SYSTEM MAKING OR STABILIZING (E.G., FOAMING, EMULSIFYING, DISPERSING, GELLING; FOR WETTING AGENTS SEE 516/198+)
906		. The agent contains organic compound containing silicon
907		. The agent contains organic compound containing phosphorus (e.g., lecithin)
908		. . The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
909		. The agent contains organic compound containing sulfoxy*
910		. . The compound contains nitrogen, except if present solely as NH4+
911		. . . The compound contains -S(O2)NHH where substitution may be made for the hydrogen
912		. . . The compound contains -C(=O)NHH where substitution may be made for the hydrogen
913		. . The compound contains -C(=O)OH or salt thereof
914		. The agent contains organic compound containing nitrogen, except if present solely as NH4+
915		. . The compound contains -C(=O)NHH where substitution may be made for the hydrogen
916		. . The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
917		. The agent contains organic compound containing oxygen
918		. . The compound contains carboxylic acid ester group
919		. . The compound contains -C(=O)OH or salt thereof
920		. . The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene)
921		COLLOID SYSTEMS HAVING SPECIFIED HIGH PURITY (E.G., ULTRA-PURE SILICA)
922		COLLOID SYSTEMS HAVING SPECIFIED PARTICLE SIZE, RANGE, OR DISTRIBUTION (E.G., BIMODAL PARTICLE DISTRIBUTION)
923		. Emulsion
924		SIGNIFICANT DISPERSIVE OR MANIPULATIVE OPERATION OR STEP IN MAKING OR STABILIZING COLLOID SYSTEM
925		. Phase inversion
926		. Phase change (e.g., melting)
927		. In situ formation ofacolloid system making or stabilizing agent which chemical reaction
928		. Mixing combined with non-mixing operation or step, successively or simultaneously (e.g., heating, cooling, pH change, ageing, milling)
929		. Specified combination of agitation steps (e.g., mixing to make subcombination composition followed by homogenization)
930		. . Low shear followed by high shear
931		. . High shear followed by low shear
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		FOREIGN ART COLLECTIONS
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		Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collection listed below. These collections contain ONLY foreign patents or nonpatent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived
FOR 100		COLLOIDS AND POTENTIAL COLLOIDS; CHEMICAL PROCESSES OF MAKING AND BREAKING (252/302)
FOR 101		. Including separations or comminutions by colloid functions (252/303)
FOR 102		. Colloid (polyphase discontinuous dispersion) systems (252/304)
FOR 103		. . Smokes, fogs, or gaseous primary dispersants (252/305)
FOR 104		. . Liquid primary dispersants (252/306)
FOR 105		. . . Foams or gaseous primary dispersands (252/307)
FOR 106		. . . Organic major dispersants only (252/308)
FOR 107		. . . . Inorganic major dispersands only (252/309)
FOR 108		. . . Water as major dispersant only (252/310)
FOR 109		. . . . Organic major dispersands only (252/311)
FOR 110		. . . . . Bituminous dispersands (252/311.5)
FOR 111		. . . . . Oil or liquid dispersands (252/312)
FOR 112		. . . . Inorganic major dispersands only (252/313.1)
FOR 113		. . . . . Silica (252/313.2)
FOR 114		. . . Dispersive or manipulative operations (252/314)
FOR 115		. Gels, coagulates, or dispersands (252/315.01)
FOR 116		. . Organic (252/315.1)
FOR 117		. . . Inorganic material coated, impregnated, or surface-modified with organic material (252/315.2)
FOR 118		. . . Carbohydrate or derivative (252/315.3)
FOR 119		. . . Carboxylic acid ester, acid, or salt thereof (252/315.4)
FOR 120		. . Metal silicate or clay (252/315.5.)
FOR 121		. . Silica (252/315.6)
FOR 122		. . Alumina (252/315.7)
FOR 123		. Potential dispersants, or dispersands with colloidization inhibitants (252/318)
FOR 124		. Resolving colloids or inhibiting colloidization (252/319)
FOR 125		. . Liquid primary dispersants (252/320)
FOR 126		. . . Foams or gaseous primary dispersands (252/321)
FOR 127		. . . Adsorbent or solid surface functioning treating substances (252/322)
FOR 128		. . . . Organic and inorganic agents (except water) (252/323)
FOR 129		. . . . Inorganic agents (except water) (252/324)
FOR 130		. . . . Organic agents (252/325)
FOR 131		. . . Added nongaseous dissimilar treating substances (252/326)
FOR 132		. . . . Added dissimilar solvents, bindants, or liquid baths (252/327)
FOR 133		. . . . Resolving aqueous-petroleum or aqueous-hydrocarbon systems (252/328)
FOR 134		. . . . . Organic and inorganic agents (except water) (252/329)
FOR 135		. . . . . Inorganic agents (except water) (252/330)
FOR 136		. . . . . Organic agents (252/331)
FOR 137		. . . . . . Organic sulphoxy compound containing (252/332)
FOR 138		. . . . . . . Petroleum-sulphoxy compound containing (252/333)
FOR 139		. . . . . . . . Organic amine, amide, or N-base containing (252/334)
FOR 140		. . . . . . . Protein or carboxylic compound containing (252/335)
FOR 141		. . . . . . . . Organic amine, amide, or N-base containing (252/336)
FOR 142		. . . . . . . . Carbocyclic or non-aliphatic sulphoxy or carboxylic compound (252/337)
FOR 143		. . . . . . . Organic amine, amide, or N-base containing (252/338)
FOR 144		. . . . . . . With non-sulphoxy non-carboxylic non-amine compounds (252/339)
FOR 145		. . . . . . Protein or carboxylic compound containing (252/340)
FOR 146		. . . . . . . Organic amine, amide, or N-base containing (252/341)
FOR 147		. . . . . . . Carbocyclic or non-aliphatic carboxylic compound containing (252/342)
FOR 148		. . . . . . . With non-carboxylic non-amine compounds (252/343)
FOR 149		. . . . . . Organic amine, amide, or N-base containing (252/344)
FOR 150		. . . . . . With elements other than C, H, and O (252/345)
FOR 151		. . . Vaporizing, heating, or cooling (252/346)
FOR 152		. . . . With mechanical treatment (252/347)
FOR 153		. . . . With added component (252/348)
FOR 154		. . . Mechanically (252/349)
FOR 155		. Gas-generating agent containing (252/350)
FOR 156		. Wetting, emulsifying, dispersing, or stabilizing agents (252/351)
FOR 157		. . Organic and inorganic agents containing (except water) (252/352)
FOR 158		. . Organic sulphoxy compound containing (252/353)
FOR 159		. . . Protein or carboxylic compound containing (252/354)
FOR 160		. . . Organic amine, amide, or N-base containing (252/355)
FOR 161		. . Protein or carboxylic compound containing (252/356)
FOR 162		. . Organic, amine, amide, or N-base containing (252/357)
FOR 163		. Emulsification or liquid dispersant colloidization-inhibiting, emulsion breaking or liquid dispersant colloids resolving agents (252/358)
		*********************************
		DIGESTS
		*********************************
DIG 1		WETTING, EMULSIFYING, DISPERSING, OR STABILIZING AGENTS (252/351)
DIG 2		. Organic and inorganic agents containing (except water) (252/352)
DIG 3		. Organic sulfoxy compound containing (252/353)
DIG 4		. . Protein or carboxylic compound containing (252/354)
DIG 5		. . Organic amine, amide, or N-base containing (252/355)
DIG 6		. Protein or carboxylic compound containing (252/356)
DIG 7		. Organic amine, amide, or N-base containing (252/357)

Information Products Division -- Contacts

Questions regarding this report should be directed to:

U.S. Patent and Trademark Office
Information Products Division
PK3- Suite 441
Washington, DC 20231

tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov

---

Last Modified: 6 October 2000