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