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Class   508SOLID ANTI-FRICTION DEVICES, MATERIALS THEREFOR, LUBRICANT OR SEPARANT COMPOSITIONS FOR MOVING SOLID SURFACES, AND MISCELLANEOUS MINERAL OIL COMPOSITIONS
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This Class 508 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.
[List of Pre Grant Publications for class 508 subclass 100][List of Patents for class 508 subclass 100]100 SOLID ANTI-FRICTION DEVICE, ARTICLE OR MATERIAL THEREFOR (I.E., SHAPED SOLID ARTICLES WHICH RETAIN THEIR SHAPE DURING USE, SUCH AS BEARINGS, RINGS, SEALS, JOURNAL BOXES, BUSHINGS, BRAKES, CLUTCHES, GUN WADS, JOURNAL BEARINGS, OR LINERS FOR BEARINGS, BRAKES OR CLUTCHES, OR MATERIAL THEREFOR, WHEREIN A LUBRICANT IS A PERMANENT PART OF THE SOLID ANTI-FRICTION DEVICE, ARTICLE OR MATERIAL, WHETHER BY PERMANENT COATING, IMPREGNATION INTO THE INTERSTICES THEREOF, OR BY BEING PART OF THE COMPOSITION) (E.G., SYNTHETICRESIN TYPE SOLID ANTI-FRICTION DEVICES, ETC.)
[List of Pre Grant Publications for class 508 subclass 101][List of Patents for class 508 subclass 101]101 Subclass 101 indent level is 1 Animal or plant matter (e.g., blood, hair, skin, wood, hemp, cotton, paper, lard, castor oil, shellac, glue, beeswax, etc.)
 [List of Pre Grant Publications for class 508 subclass 102][List of Patents for class 508 subclass 102]102 Subclass 102 indent level is 2 With graphite or elemental carbon
[List of Pre Grant Publications for class 508 subclass 103][List of Patents for class 508 subclass 103]103 Subclass 103 indent level is 1 Elemental or alloyed metal
 [List of Pre Grant Publications for class 508 subclass 104][List of Patents for class 508 subclass 104]104 Subclass 104 indent level is 2 With fluorine compound
 [List of Pre Grant Publications for class 508 subclass 105][List of Patents for class 508 subclass 105]105 Subclass 105 indent level is 2 With graphite, coal, or elemental carbon
 [List of Pre Grant Publications for class 508 subclass 106][List of Patents for class 508 subclass 106]106 Subclass 106 indent level is 1 Halogen compound
 [List of Pre Grant Publications for class 508 subclass 107][List of Patents for class 508 subclass 107]107 Subclass 107 indent level is 1 Silicon compound
 [List of Pre Grant Publications for class 508 subclass 108][List of Patents for class 508 subclass 108]108 Subclass 108 indent level is 1 Heavy metal or aluminum compound (e.g., MoS2,etc.)
 [List of Pre Grant Publications for class 508 subclass 109][List of Patents for class 508 subclass 109]109 Subclass 109 indent level is 1 Graphite, coal, or elemental carbon
[List of Pre Grant Publications for class 508 subclass 110][List of Patents for class 508 subclass 110]110 LUBRICANTS OR SEPARANTS FOR MOVING SOLID SURFACES AND MISCELLANEOUS MINERAL OIL COMPOSITIONS (E.G., WATER CONTAINING, ETC.)
 [List of Pre Grant Publications for class 508 subclass 111][List of Patents for class 508 subclass 111]111 Subclass 111 indent level is 1 Processes of purifying or recovering used lubricant compositions, and purified or recovered products thereof
 [List of Pre Grant Publications for class 508 subclass 112][List of Patents for class 508 subclass 112]112 Subclass 112 indent level is 1 Halogenated graphite, or microorganism metabolic product or culture product of indeterminate structure
[List of Pre Grant Publications for class 508 subclass 113][List of Patents for class 508 subclass 113]113 Subclass 113 indent level is 1 Graphite, coal, or elemental carbon
 [List of Pre Grant Publications for class 508 subclass 114][List of Patents for class 508 subclass 114]114 Subclass 114 indent level is 2 With silk, sponge, hair, skin, leather, meat, or fibrous plant matter (e.g., cork, bamboo, bark, sawdust, cotton, etc.)
 [List of Pre Grant Publications for class 508 subclass 115][List of Patents for class 508 subclass 115]115 Subclass 115 indent level is 2 With naturally occurring resin, salt thereof, agar, natural rubber, tar, pitch, animal glue, turpentine, or carbohydrate gum
[List of Pre Grant Publications for class 508 subclass 116][List of Patents for class 508 subclass 116]116 Subclass 116 indent level is 2 With organic -C(=O)O-compound
[List of Pre Grant Publications for class 508 subclass 123][List of Patents for class 508 subclass 123]123 Subclass 123 indent level is 2 With elemental or alloyed metal
 [List of Pre Grant Publications for class 508 subclass 125][List of Patents for class 508 subclass 125]125 Subclass 125 indent level is 2 With boron compound or elemental sulfur
[List of Pre Grant Publications for class 508 subclass 126][List of Patents for class 508 subclass 126]126 Subclass 126 indent level is 2 With silicon compound
 [List of Pre Grant Publications for class 508 subclass 128][List of Patents for class 508 subclass 128]128 Subclass 128 indent level is 2 With organic sulfur, phosphorus, or nitrogen compound
 [List of Pre Grant Publications for class 508 subclass 129][List of Patents for class 508 subclass 129]129 Subclass 129 indent level is 2 With inorganic compound (except water)
 [List of Pre Grant Publications for class 508 subclass 130][List of Patents for class 508 subclass 130]130 Subclass 130 indent level is 2 With organic oxygen or halogen compound
 [List of Pre Grant Publications for class 508 subclass 131][List of Patents for class 508 subclass 131]131 Subclass 131 indent level is 2 With synthetic polymer (e.g., ethylene-propylene copolymer, etc.)
 [List of Pre Grant Publications for class 508 subclass 132][List of Patents for class 508 subclass 132]132 Subclass 132 indent level is 1 Tar, tar distillate, or chemically reacted tar or tar distillate
[List of Pre Grant Publications for class 508 subclass 133][List of Patents for class 508 subclass 133]133 Subclass 133 indent level is 1 Asphalt, pitch, pitch distillate, or chemically reacted asphalt or pitch (e.g., sulfurized, salified, reduced, blown, etc.)
 [List of Pre Grant Publications for class 508 subclass 134][List of Patents for class 508 subclass 134]134 Subclass 134 indent level is 2 With carboxylic acid or salt thereof
 [List of Pre Grant Publications for class 508 subclass 135][List of Patents for class 508 subclass 135]135 Subclass 135 indent level is 1 Distillation residues of crude chemical reaction mixtures, or such residues chemically reacted (e.g., oxo still bottoms, etc.)
[List of Pre Grant Publications for class 508 subclass 136][List of Patents for class 508 subclass 136]136 Subclass 136 indent level is 1 Silicon dioxide, silicic acid, orthosilicate, or metasilicate, including surface-treated (e.g., clays, onium clays, estersils, etc.)
 [List of Pre Grant Publications for class 508 subclass 137][List of Patents for class 508 subclass 137]137 Subclass 137 indent level is 2 With non-siliceous boron compound as additional component or surface- treating agent
 [List of Pre Grant Publications for class 508 subclass 138][List of Patents for class 508 subclass 138]138 Subclass 138 indent level is 2 With non-siliceous fluorine-containing polymer as additional component or surface-treating agent (e.g., polytetrafluoroethylene, etc.)
 [List of Pre Grant Publications for class 508 subclass 139][List of Patents for class 508 subclass 139]139 Subclass 139 indent level is 2 With elemental sulfur, elemental metal, or alloy as additional component or surface-treating agent
 [List of Pre Grant Publications for class 508 subclass 140][List of Patents for class 508 subclass 140]140 Subclass 140 indent level is 2 Asbestos
 [List of Pre Grant Publications for class 508 subclass 141][List of Patents for class 508 subclass 141]141 Subclass 141 indent level is 2 With non-siliceous inorganic heavy metal or aluminum compound as additional component or surface-treating agent (e.g., molybdenum disulfide, alumina, etc.)
 [List of Pre Grant Publications for class 508 subclass 142][List of Patents for class 508 subclass 142]142 Subclass 142 indent level is 2 With carbohydrate or fibrous plant matter as additional component or surface-treating agent (e.g., starch, elm bark, cellulose compounds, etc.)
 [List of Pre Grant Publications for class 508 subclass 143][List of Patents for class 508 subclass 143]143 Subclass 143 indent level is 2 With added water
 [List of Pre Grant Publications for class 508 subclass 144][List of Patents for class 508 subclass 144]144 Subclass 144 indent level is 2 With carboxylic acid, salt thereof, sulfonic acid, or salt thereof as additional component or surface-treating agent
 [List of Pre Grant Publications for class 508 subclass 145][List of Patents for class 508 subclass 145]145 Subclass 145 indent level is 2 With triazine or triazole hetero ring compound as additional component or surface-treating agent
 [List of Pre Grant Publications for class 508 subclass 146][List of Patents for class 508 subclass 146]146 Subclass 146 indent level is 2 With heterocyclic ring compound that has ring sulfur or has chalcogen double bonded to heterocyclic ring carbon as additional component or surface-treating agent; a heterocyclic ring is one having as ring members only carbon and at least one hetero atom selected from chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) and nitrogen (e.g., thiadiazoles, cyclic carbonates, etc.)
 [List of Pre Grant Publications for class 508 subclass 147][List of Patents for class 508 subclass 147]147 Subclass 147 indent level is 2 With azo compound, inorganic phophorus salt, or oxidate of undetermined composition as additional component or surface-treating agent
 [List of Pre Grant Publications for class 508 subclass 148][List of Patents for class 508 subclass 148]148 Subclass 148 indent level is 2 Talc, mica, or ultramarine blue
 [List of Pre Grant Publications for class 508 subclass 149][List of Patents for class 508 subclass 149]149 Subclass 149 indent level is 1 Elemental halogen or elemental phosphorus
[List of Pre Grant Publications for class 508 subclass 150][List of Patents for class 508 subclass 150]150 Subclass 150 indent level is 1 Elemental metal or boron, or alloyed metal
 [List of Pre Grant Publications for class 508 subclass 151][List of Patents for class 508 subclass 151]151 Subclass 151 indent level is 2 With nitrogen, sulfur, or halogen compound
[List of Pre Grant Publications for class 508 subclass 152][List of Patents for class 508 subclass 152]152 Subclass 152 indent level is 1 Elemental sulfur, selenium, or tellurium
 [List of Pre Grant Publications for class 508 subclass 153][List of Patents for class 508 subclass 153]153 Subclass 153 indent level is 2 With compound containing nitrogen, sulfur, phosphorus, boron, or halogen
[List of Pre Grant Publications for class 508 subclass 154][List of Patents for class 508 subclass 154]154 Subclass 154 indent level is 1 Inorganic compound (except water) (Overbased or carbonated organic acidic compounds are not classified in this subclass or its indents on the basis of inorganic overbasing or carbonating agents; the overbased or carbonated compounds are treated as complexes, and are classified with the particular organic acidic compound)
[List of Pre Grant Publications for class 508 subclass 155][List of Patents for class 508 subclass 155]155 Subclass 155 indent level is 2 The inorganic compound contains boron (e.g., boron nitride, boramine, etc.)
[List of Pre Grant Publications for class 508 subclass 161][List of Patents for class 508 subclass 161]161 Subclass 161 indent level is 2 The inorganic compound contains phosphorus or silicon (e.g., phosphorus sulfide, etc.)
[List of Pre Grant Publications for class 508 subclass 165][List of Patents for class 508 subclass 165]165 Subclass 165 indent level is 2 The inorganic compound contains heavy metal or aluminum
 [List of Pre Grant Publications for class 508 subclass 173][List of Patents for class 508 subclass 173]173 Subclass 173 indent level is 2 With organic compound containing silicon
 [List of Pre Grant Publications for class 508 subclass 174][List of Patents for class 508 subclass 174]174 Subclass 174 indent level is 2 With organic phosphorus compound
[List of Pre Grant Publications for class 508 subclass 175][List of Patents for class 508 subclass 175]175 Subclass 175 indent level is 2 With organic -C(=O)O- compound (e.g., ester waxes, etc.)
 [List of Pre Grant Publications for class 508 subclass 179][List of Patents for class 508 subclass 179]179 Subclass 179 indent level is 2 With organic nitrogen or sulfur compound
 [List of Pre Grant Publications for class 508 subclass 180][List of Patents for class 508 subclass 180]180 Subclass 180 indent level is 2 The inorganic compound is a carbonate
[List of Pre Grant Publications for class 508 subclass 181][List of Patents for class 508 subclass 181]181 Subclass 181 indent level is 1 PTFE (polytetrafluoroethylene)
 [List of Pre Grant Publications for class 508 subclass 182][List of Patents for class 508 subclass 182]182 Subclass 182 indent level is 2 With compound having ether group
 [List of Pre Grant Publications for class 508 subclass 183][List of Patents for class 508 subclass 183]183 Subclass 183 indent level is 2 With silicon compound, or organic phosphorus or sulfur compound
 [List of Pre Grant Publications for class 508 subclass 184][List of Patents for class 508 subclass 184]184 Subclass 184 indent level is 1 Azo compound (i.e., compound having two acyclic nitrogens double bonded to each other, and carbon single bonded to each of the nitrogens)
[List of Pre Grant Publications for class 508 subclass 185][List of Patents for class 508 subclass 185]185 Subclass 185 indent level is 1 Organic compound containing boron
 [List of Pre Grant Publications for class 508 subclass 186][List of Patents for class 508 subclass 186]186 Subclass 186 indent level is 2 Borated or boronated carbonated or overbased organic acid salts (e.g., borated overbased carbonated sulfonates, etc.)
[List of Pre Grant Publications for class 508 subclass 187][List of Patents for class 508 subclass 187]187 Subclass 187 indent level is 2 Phosphorus or silicon containing
[List of Pre Grant Publications for class 508 subclass 189][List of Patents for class 508 subclass 189]189 Subclass 189 indent level is 2 Nitrogen containing (i.e., nitrogen and boron in the same compound)
 [List of Pre Grant Publications for class 508 subclass 197][List of Patents for class 508 subclass 197]197 Subclass 197 indent level is 2 Sulfur or halogen bonded indirectly to boron
 [List of Pre Grant Publications for class 508 subclass 198][List of Patents for class 508 subclass 198]198 Subclass 198 indent level is 2 Carbonyl containing
 [List of Pre Grant Publications for class 508 subclass 199][List of Patents for class 508 subclass 199]199 Subclass 199 indent level is 2 Plural oxygens bonded directly to the same saturated carbon atom or saturated carbon chain (e.g., borated 1,2-glycols, borated alkoxylated alcohols, etc.)
 [List of Pre Grant Publications for class 508 subclass 200][List of Patents for class 508 subclass 200]200 Subclass 200 indent level is 2 Benzene ring containing
 [List of Pre Grant Publications for class 508 subclass 201][List of Patents for class 508 subclass 201]201 Subclass 201 indent level is 1 Compound of indeterminate structure, prepared by reacting a silicon compound of known structure
[List of Pre Grant Publications for class 508 subclass 202][List of Patents for class 508 subclass 202]202 Subclass 202 indent level is 1 Organic compound containing silicon (e.g., silicon esters)
 [List of Pre Grant Publications for class 508 subclass 203][List of Patents for class 508 subclass 203]203 Subclass 203 indent level is 2 The silicon is in a ring
 [List of Pre Grant Publications for class 508 subclass 204][List of Patents for class 508 subclass 204]204 Subclass 204 indent level is 2 Nitrogen attached directly or indirectly to the silicon by nonionic bonding
 [List of Pre Grant Publications for class 508 subclass 205][List of Patents for class 508 subclass 205]205 Subclass 205 indent level is 2 Phosphorus or -C(=X), wherein X is chalcogen, attached indirectly to the silicon by nonionic bonding
 [List of Pre Grant Publications for class 508 subclass 206][List of Patents for class 508 subclass 206]206 Subclass 206 indent level is 2 Halogen attached indirectly to the silicon by acyclic nonionic bonding
[List of Pre Grant Publications for class 508 subclass 207][List of Patents for class 508 subclass 207]207 Subclass 207 indent level is 2 Carbon or hydrogen bonded directly to the silicon