Class 208: MINERAL OILS: PROCESSES AND PRODUCTS ( Manual of U.S. Patent Classification )

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


Class
208
MINERAL OILS: PROCESSES AND PRODUCTS


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Subclass Title
ClassTitle ===> MINERAL OILS: PROCESSES AND PRODUCTS
1[Patents]SYNTHETIC DRYING OILS
2[Patents]PHENOLIC OR TOXIC OILS
3[Patents]OXIDATION OF MINERAL OILS
4[Patents] . To form asphalts, tars or pitches
5[Patents] . . In presence of soild contact material
6[Patents] . . Tar, pitch, or asphalt feed
7[Patents] . With cracking
390[Patents]TAR SAND TREATMENT WITH LIQUID
391[Patents] . Inorganic (only) liquid
400[Patents]BY TREATMENT OF SOLID MINERAL, E.G., COAL LIQUEFACTION, ETC.
401[Patents] . Including a test or measurement
402[Patents] . Using electrical, magnetic or wave energy
403[Patents] . Chemical modification of solids before hydrogenation
404[Patents] . Using molten additive, e.g., heat carrier, etc.
405[Patents] . . Molten catalyst
406[Patents] . . . Halide-containing
407[Patents] . Specified agitation or circulation in gas contact zone
408[Patents] . . Gas includes hydrogen
409[Patents] . . Vertical gas upflow, e.g., fluidization, etc.
410[Patents] . . . Using solid heat carrier
411[Patents] . . Using solid heat carrier
412[Patents] . Plural hydrogenation steps
413[Patents] . . Solid catalyst in at least one step
414[Patents] . With hydrogen production from water
415[Patents] . Including contact of feed with liquid produced in the process, i.e., recycle
416[Patents] . . With discrete hydrogenation of recycle stream
417[Patents] . . Recycle of bottoms (resid)
418[Patents] . . Including contact with hydrogen gas
419[Patents] . Using specifically added catalyst during hydrogenation
420[Patents] . . Dissolved or suspended-thermally-decomposable catalyst, component or precursor
421[Patents] . . Containing Group VI transition metal
422[Patents] . . . And Group VIII metal
423[Patents] . . Containing Group VIII metal
424[Patents] . Specified procedure to improve separation of solids from liquid product
425[Patents] . . Including centrifugation, filtering, flotation or vibration
426[Patents] . Including agglomeration, comminution or size-classification of solids
427[Patents] . Including burning of feed or product
428[Patents] . Including contact with extraneous additive other than hydrogen, e.g., solvent, etc.
429[Patents] . . Distinct addition zones
430[Patents] . . Contact with additive, followed by chemical conversion
431[Patents] . . Specified hydrogen-donor solvent
432[Patents] . . With specified circulation procedure in contact zone
433[Patents] . . Simultaneous treatment with gaseous additive and liquid solvent
434[Patents] . . Additive is petroleum or fraction from petroleum refining
435[Patents] . . Additive is specified catalyst or liquid solvent or dispersant
12[Patents]COLORNG TREATMENTS (INCLUDES FLUORESCENCE)
13[Patents]TREATMENT OF REFINING SLUDGE
14[Patents]PRODUCTS AND COMPOSITIONS
15[Patents] . Fuels
16[Patents] . . Gasolines
17[Patents] . . . Admixtures
18[Patents] . Lubricating oils
19[Patents] . . Admixtures
20[Patents] . Waxes
21[Patents] . . Admixtures
22[Patents] . Asphalts, tars, pitches and resins
23[Patents] . . Admixtures
24[Patents]PARAFFIN WAX; TREATMENT OR RECOVERY
25[Patents] . With ureas
26[Patents] . With sorption agents
27[Patents] . Chemical treatment (refining or modification except mere solvent extraction)
28[Patents] . Separation of paraffin from oil (e.g., dewaxing)
29[Patents] . . Emulsion dewaxing
30[Patents] . . Separation of residual oil from wax (i.e., deoiling)
31[Patents] . . . With solvent
32[Patents] . . . Sweating
33[Patents] . . Solvent dewaxing
34[Patents] . . . With deasphalting treatment
35[Patents] . . . With chilling by evaporation of solvent
36[Patents] . . . With nondewaxing solvent extraction of oil
37[Patents] . . Chilling
38[Patents] . . . With filtering
39[Patents]ASPHALTS, TARS, PITCHES AND RESINS; MAKING, TREATING AND RECOVERY
40[Patents] . By chemical conversion of oil
41[Patents] . By distillation
42[Patents] . . Tar feed
43[Patents] . . . By contact with hot gases
44[Patents] . Chemical modification of asphalt, tar, pitch or resin
45[Patents] . Solvent extraction
46[Patents]CHEMICAL CONVERSION OF HYDROCARBONS
47[Patents] . With prevention of corrosion or erosion in system
48R[Patents] . With prevention or removal of deleterious carbon accumulations or equipment
48Q[Patents] . . Quench
48AA[Patents] . . Antifoulant additive
49[Patents] . Plural serial stages of chemical conversion
50[Patents] . . Coking in at least one stage
51[Patents] . . . With reforming
52R[Patents] . . . With both catalytic and thermal cracking
52CT[Patents] . . . . Catalyst treatment to remove metal contaminants
53[Patents] . . . First stage is coking
54[Patents] . . . . Second stage is cracking
55[Patents] . . . . . Catalytic cracking
56[Patents] . . Hydrogen donor diluent cyclic processes
57[Patents] . . First stage is an hydrogenation (saturation)
58[Patents] . . First stage is hydrocracking (includes hydro-desulfurization under cracking conditions)
59[Patents] . . . Hydrocracking in all stages
60[Patents] . . . With subsequent reforming
61[Patents] . . . With subsequent thermal or catalytic cracking
62[Patents] . . First stage is reforming
63[Patents] . . . Reforming in all stages
64[Patents] . . . . Catalyst in at least one stage
65[Patents] . . . . . Noble metal containing catalyst
66[Patents] . . . Catalytic
67[Patents] . . First stage is thermal or catalytic cracking
68[Patents] . . . With subsequent hydrocracking
69[Patents] . . . With subsequent reforming
70[Patents] . . . . Catalytic reforming
71[Patents] . . . With subsequent polymerization
72[Patents] . . . Cracking in all stages
73[Patents] . . . . Catalyst in at least one stage
74[Patents] . . . . . Catalyst in multiple stages
75[Patents] . . . . With cracking of total product from first stage
76[Patents] . . . . With cracking of the first stage bottoms
77[Patents] . . . . With cracking of the first stage intermediate fraction
78[Patents] . Plural parallel stages of chemical conversion
79[Patents] . . At least one stage is reforming
80[Patents] . . Split feed
81[Patents] . With contacting vapor porducts with liquid feed (i.e., product scrubbing and feed stripping)
82[Patents] . . Only selected fractions of product or feed are contacted
83[Patents] . . With subsequent fractionation
84[Patents] . . With added material (to scrubbing-stripping stage)
85[Patents] . With preliminary treatment of feed
86[Patents] . . Deasphalting
87[Patents] . . Solvent extraction
88[Patents] . . Refining
89[Patents] . . . With hydrogen
90[Patents] . . . With acids
91[Patents] . . . With solid absorbents
92[Patents] . . Distillation
93[Patents] . . . With blending of products of distillation with each other or with converted products
94[Patents] . . . Plural stages of distillation
95[Patents] . With subsequent treatment of products
96[Patents] . . Solvent extraction
97[Patents] . . Refining
98[Patents] . . . With acids
99[Patents] . . . With solid adsorbents
100[Patents] . . Separation of vapors and liquid products
101[Patents] . . . With absorption with liquid
102[Patents] . . . With additional separation of liquid products from primary separation zone
103[Patents] . . . With additional separation of vapor products
104[Patents] . . . . With distillation of second stage liquid
105[Patents] . . . . With condensation of second stage vapors
106[Patents] . Cracking
107[Patents] . . Hydrogenative
108[Patents] . . . Catalytic
109[Patents] . . . . Silica or silicate containing catalyst
110[Patents] . . . . . With metal or metal oxide
111.01[Patents] . . . . . . With group III metal, rare earth metal, or metal oxide (i.e., Sc, Y, Al, Ga, ln, Tl, metal of atomic number 57-71, or oxide thereof)
111.05[Patents] . . . . . . . With group VII metal or metal oxide (i.e., Mn, Tc, Re, or oxide thereof)
111.1[Patents] . . . . . . . With group IV metal or metal oxide (i.e., Ti, Zr, Hf, Ge, Sn, Pb, or oxide thereof)
111.15[Patents] . . . . . . . With group I metal or metal oxide (i.e., alkali metal, Ag, Au, Cu, or oxide thereof)
111.2[Patents] . . . . . . . With group V metal or metal oxide (i.e., V, Nb, Ta, As, Sb, Bi, or oxide thereof)
111.25[Patents] . . . . . . . With group II metal or metal oxide (i.e., alkaline earth metal, Be, Mg, Zn, Cd, Hg, or oxide thereof)
111.3[Patents] . . . . . . . With group VI metal or metal oxide (i.e., Cr, Mo, W, Po, or oxide thereof)
111.35[Patents] . . . . . . . With group VIII metal or metal oxide (i.e., iron, or platinum group metal, or oxide thereof)
112[Patents] . . . . Metal or metal oxide catalyst
113[Patents] . . Catalytic
114[Patents] . . . Phosphorus, boron or nitrogen containing catalyst
115[Patents] . . . Halogen containing catalyst
116[Patents] . . . . Metal halide
117[Patents] . . . . . Group III metal halide
118[Patents] . . . Silica or silicate containing catalyst
119[Patents] . . . . With metal or metal oxide
120.01[Patents] . . . . . With group III metal, rare earth metal, or metal oxide (i.e., Sc, Y, Al, Ga, In, Tl, metal of atomic number 57-71 or oxide thereof)
120.05[Patents] . . . . . . With group VII metal or metal oxide (i.e., Mn, Tc, Re, or oxide thereof)
120.1[Patents] . . . . . . With group IV metal or metal oxide (i.e., Ti, Zr, Hf, Ge, Sn, Pb, or oxide thereof)
120.15[Patents] . . . . . . With group I metal or metal oxide (i.e., alkali metal, Ag, Au, Cu, or oxide thereof)
120.2[Patents] . . . . . . With group V metal or metal oxide (i.e., V, Nb, Ta, As, Sb, Bi, or oxide thereof)
120.25[Patents] . . . . . . With group II metal or metal oxide (i.e., alkaline earth metal, Be, Mg, Zn, Cd, Hg, or oxide thereof)
120.3[Patents] . . . . . . With group VI metal or metal oxide (i.e., Cr, Mo, W, Po, or oxide thereof)
120.35[Patents] . . . . . . With group VIII metal or metal oxide (i.e., iron or platinum group metal, or oxide thereof)
121[Patents] . . . Metal or metal oxide containing catalyst
122[Patents] . . . . Group III metal or oxide
123[Patents] . . . . . With Group VI metal or oxide
124[Patents] . . . . . With Group VIII metal or oxide
125[Patents] . . With nonreactive material
126[Patents] . . . Solids
127[Patents] . . . . Suspension system
128[Patents] . . . Vapors
129[Patents] . . . . Combustion gases
130[Patents] . . . . Steam
131[Patents] . . Soaking
132[Patents] . . With heating in tubular confined stream
133[Patents] . Reforming (includes dehydrogenation, isomerization, cyclization, aromatization, alkylation, dealkylation reactions)
134[Patents] . . Catalytic
135[Patents] . . . With Group III metal or metal oxide containing catalyst
136[Patents] . . . . With Group VI metal or metal oxide
137[Patents] . . . . With Group VIII metal or metal oxide
138[Patents] . . . . . Noble metal or oxide thereof
139[Patents] . . . . . . With halogen containing additive
140[Patents] . . . . . . With recovery or reactivation of catalyst
141[Patents] . . . Feed of specific composition
142[Patents] . Hydrogenation (saturation)
143[Patents] . . Catalytic
144[Patents] . . . Feed of specific composition
145[Patents] . . . . With added source of hydrogen (includes hydrogen donor)
146[Patents] . Solids contacting and mixing
147[Patents] . . Separate contiguous, dissimilar function, contacting zones
148[Patents] . . Combined gravitating bed and suspension zones
149[Patents] . . Solids of dissimilar composition
150[Patents] . . Purging
151[Patents] . . . Plural stages
152[Patents] . . Solids replenishment, or selective discard
153[Patents] . . Suspension system
154[Patents] . . . Start-up and shut down procedures
155[Patents] . . . Plural zones of similar function
156[Patents] . . . . Solids and contacting fluids are both in series
157[Patents] . . . Liquid feed
158[Patents] . . . With augmented turbulence (in addition to normal mixing in bed)
159[Patents] . . . With temperature regulation
160[Patents] . . . . By solids circulation to external heat exchange and return to same zone
161[Patents] . . . Separation of entrained fines from effluents
162[Patents] . . . . In presence of a liquid
163[Patents] . . . Fluidized dense bed
164[Patents] . . . . Solids transferring
165[Patents] . . Gravitating compact beds
166[Patents] . . . Liquid feeding
167[Patents] . . . . Solids curtain type
168[Patents] . . . Solids-vapor disengagement
169[Patents] . . . Plural zones of similar function (same chamber)
170[Patents] . . . Size stratification prevention
171[Patents] . . . Uniform solids withdrawal
172[Patents] . . . Preheating or quenching with solids
173[Patents] . . . Solids transferring
174[Patents] . . . . By pneumatic lifting
175[Patents] . . . . . Compact type
176[Patents] . . Solids moving processes
177[Patents]REFINING
178[Patents] . With reagent feed control
179[Patents] . Purifying used oil
180[Patents] . . With added organic material
181[Patents] . . Plural treating agents (sequential or simultaneous)
182[Patents] . . . One is a solid contact material
183[Patents] . . . . With acid or alkali
184[Patents] . . Distillation or degassing
185[Patents] . . . With gaseous treating agent
186[Patents] . . . With solid-liquid separation
187[Patents] . Water removal (dehydration)
188[Patents] . . With treating agent
189[Patents] . Sweetening
190[Patents] . . With hypochlorites
191[Patents] . . With copper compounds
192[Patents] . . . With preliminary treatment of oil
193[Patents] . . . With subsequent treatment of the sweet oil
194[Patents] . . . . Separation or recovery of copper compound
195[Patents] . . . Copper chloride and free oxygen containing gas
196[Patents] . . With peroxides
197[Patents] . . With lead compounds
198[Patents] . . . Lead sulfide
199[Patents] . . . Sodium plumbite
200[Patents] . . . . With preliminary treatment of the oil
201[Patents] . . . . With subsequent treatment of the sweet oil
202[Patents] . . . . . Organic treating agent
203[Patents] . . With alkali metal hydroxide or carbonate
204[Patents] . . . With added oxygen containing organic compound
205[Patents] . . . . Acyclic alcohol
206[Patents] . . . With added nitrogen containing compound
207[Patents] . . Nitrogen containing compound
208R[Patents] . Sulfur removal (free or combined sulfur)
209[Patents] . . With hydrogen
210[Patents] . . . Plural stage treatments with hydrogen
211[Patents] . . . With preliminary treatment of feed
212[Patents] . . . With subsequent treatment of product
213[Patents] . . . With solid catalyst or absorbent
214[Patents] . . . . With hydrogen yielding material (H donor)
215[Patents] . . . . With heavy metal sulfide
216R[Patents] . . . . With group VI metal or compound
216PP[Patents] . . . . . With specific porosity or pore volume
217[Patents] . . . . With Group VIII metal or compound
218[Patents] . . Split treatment
219[Patents] . . With acids
220[Patents] . . . Plural stages of sulfur removal
221[Patents] . . . With preliminary treatment of feed
222[Patents] . . . With subsequent treatment of product
223[Patents] . . . Inorganic acid
224[Patents] . . . . Sulfuric acid
225[Patents] . . . . Hydrochloric acid
226[Patents] . . With alkali or alkali earth metal compound (except clays)
227[Patents] . . . Plural stages of sulfur removal
228[Patents] . . . With preliminary treatment of feed
229[Patents] . . . With subsequent treatment of product
230[Patents] . . . Alkali metal compound
231[Patents] . . . . With added oxygen containing organic compound
232[Patents] . . . . . Alcohol containing
233[Patents] . . . . . . With other organic compound
234[Patents] . . . . . With regeneration of treating agent
235[Patents] . . . . With regeneration of treating agent
236[Patents] . . With nitrogen containing treating reagent
237[Patents] . . With organic reagent
238[Patents] . . . Hydrocarbon containing
239[Patents] . . . Heavy metal soap containing
240[Patents] . . . Oxygen containing
241[Patents] . . With free halogen or nonmetal halide containing reagent
242[Patents] . . With sulfur oxides
243[Patents] . . With Group VI metal or compound
244[Patents] . . With Group VIII metal or compound
245[Patents] . . With silicon or compound thereof
246[Patents] . . With Group IB metal or compound
247[Patents] . . With Group IIB metal or compound
248[Patents] . . With Group III metal or compound
249[Patents] . . With Group IV, V, VII metal or compound
250[Patents] . . Solids contacting and mixing
208M[Patents] . . Using free alkali metal
251R[Patents] . Metal contaminant removal
252[Patents] . . With acid
253[Patents] . . With metal or metal compound
251H[Patents] . . Employing hydrogen
254R[Patents] . Nitrogen contaminant removal
254H[Patents] . . Employing hydrogen
255[Patents] . Gum or gum former removal
256[Patents] . . With acid
257[Patents] . . With metal or metal compound
258[Patents] . . . Alkali metal
259[Patents] . . . Alkali or alkali earth metal compound (except clays)
260[Patents] . . . Clay type or alumina
261[Patents] . . . . Vapor phase treatment
262.1[Patents] . Halogen contaminant removal
262.5[Patents] . . Polychorinated biphenyl (PCB)
263[Patents] . Organic acid or phenol contaminant removal
264[Patents] . With hydrogen
265[Patents] . With acids
266[Patents] . . Sulfuric acid
267[Patents] . . . With fluid rotation or agitation
268[Patents] . . . White oil making
269[Patents] . . . Split treatment
270[Patents] . . . Plural stages of acid treatment
271[Patents] . . . With preliminary treatment of the oil
272[Patents] . . . . Fractionation
273[Patents] . . . With subsequent treatment of the oil
274[Patents] . . . . Organic treating agent
275[Patents] . . . . Solid absorbent
276[Patents] . . . With nonwater additive
277[Patents] . . . . Organic compound
278[Patents] . . . . Solid contact material
279[Patents] . . Phosphorus containing acid
280[Patents] . . Halogen containing acid
281[Patents] . . . Hydrochloric acid
282[Patents] . . Organic acid
283[Patents] . With alkali or alkali earth metal compound (except clays)
284[Patents] . . Alkali metal compound
285[Patents] . . . With preliminary treatment of the oil
286[Patents] . . . With subsequent treatment of the oil
287[Patents] . . . With solid carrier
288[Patents] . . . With added material
289[Patents] . With nitrogen containing compound
290[Patents] . With organic compound
291[Patents] . . Oxygen containing
292[Patents] . With boron, phosphorus, arsenic, antimony or bismuth containing treating agent
293[Patents] . With sulfur containing treating agent
294[Patents] . With free metal
295[Patents] . With Group IV, V, VI, VII or VIII metal compound
296[Patents] . With Group IB or IIB metal compound
297[Patents] . With Group III metal compound (except clays)
298[Patents] . With liquid treating agent (includes slurries of solids)
299[Patents] . With solid catalyst or absorbent
300[Patents] . . Of particular physical shape or structure
301[Patents] . . With preliminary treatment of the oil
302[Patents] . . With subsequent treatment of the oil
303[Patents] . . Plural treating stages
304[Patents] . . Processes including downward movement of particles
305[Patents] . . Solids rehabilitation
306[Patents] . . Composite or plural treating agents
307[Patents] . . Silicon or carbon containing treating agent
308[Patents]FRACTIONATION
309[Patents] . Deasphalting
310R[Patents] . Adsorption
310Z[Patents] . . Zeolite adsorbent
311[Patents] . Liquid extraction with solvents
312[Patents] . . With blending of separated fractions with each other or with feed
313[Patents] . . Extractive distillation
314[Patents] . . Plural stages with different oil miscible solvents
315[Patents] . . . With recycle of product of later extraction to earlier extraction stage
316[Patents] . . . Difference is mere change in proportions of solvents
317[Patents] . . Counter current multistage extraction
318[Patents] . . With recycle of oil
319[Patents] . . With pressure variation
320[Patents] . . With temperature gradient in extraction zone or between extraction zones
321[Patents] . . With solvent rehabilitation
322[Patents] . . Organic solvent containing
323[Patents] . . . With added solvent or solvent modifier
324[Patents] . . . . Inorganic
325[Patents] . . . Heterocyclic
326[Patents] . . . . Hetero-N-containing
327[Patents] . . . . Furfural and derivatives
328[Patents] . . . Nonoxo carbonylic
329[Patents] . . . . Carboxylic esters
330[Patents] . . . Nitrogen-containing solvent
331[Patents] . . . . Amino compound
332[Patents] . . . Oxo compound containing
333[Patents] . . . Oxy compound
334[Patents] . . . . Ethers
335[Patents] . . . . Aromatic
336[Patents] . . . Halogen containing
337[Patents] . . . Hydrocarbon
338[Patents] . . Liquid sulfur dioxide
339[Patents] . . Liquid-liquid contacting
340[Patents] . Recovery of mineral oil from natural or converted gases
341[Patents] . . By absorption and vaporization
342[Patents] . . . With fractional condensation prior to absorption
343[Patents] . . . Indirect heat exchange between lean and rich absorbent
344[Patents] . . . Plural absorption stages
345[Patents] . . . . At least one stage is under pressure
346[Patents] . . . Absorption stage is under pressure
347[Patents] . Distillation
348[Patents] . . With nonvapor compound added prior to or during vaporization
349[Patents] . . With nonvaporization treatment of liquid condensate or residue
350[Patents] . . Rectification
351[Patents] . . . C1-C4 alkane removal
352[Patents] . . . Flash vaporizaton
353[Patents] . . . With heat recovery by indirect heat exchange
354[Patents] . . . Plural or combined with additional distillation
355[Patents] . . . . With product recycle between distillation zones
356[Patents] . . . With added gas or vapor (e.g., steam)
357[Patents] . . . Vacuum or pressure
358[Patents] . . . With liquid product recycle to rectification zone
359[Patents] . . Spraying
360[Patents] . . Filming
361[Patents] . . Flash vaporization
362[Patents] . . With added gas or vapor
363[Patents] . . . Steam
364[Patents] . . Plural stages of vaporization
365[Patents] . . . With heat recovery by indirect heat exchange
366[Patents] . . Vacuum or pressure
367[Patents] . . With agitation of distilland
368[Patents] . . Condensatin by direct heat exchange
369[Patents] . . Volatile treatment other than condensation
370[Patents]MISCELLANEOUS
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CROSS-REFERENCE ART COLLECTIONS
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950[Patents]PROCESSING OF "FISCHER-TROPSCH" CRUDE
951[Patents]SOLID FEED TREATMENT WITH A GAS OTHER THAN AIR, HYDROGEN OR STEAM
952[Patents]SOLID FEED TREATMENT UNDER SUPERCRITICAL CONDITIONS
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DIGESTS
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DIG 1[Patents]Automatic control
DIG 2[Patents]Molecular sieve


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Last Modified: 6 October 2000