Class 095: GAS SEPARATION: PROCESSES ( Manual of U.S. Patent Classification )

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


Class
095
GAS SEPARATION: PROCESSES


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Subclass Title
ClassTitle ===> GAS SEPARATION: PROCESSES
1[Patents]WITH CONTROL RESPONSIVE TO SENSED CONDITION
2[Patents] . Electric or electrostatic field (e.g., electrostatic precipitation, etc.)
3[Patents] . . Concentration sensed
4[Patents] . . Temperature sensed
5[Patents] . . Sparking sensed
6[Patents] . . Current sensed
7[Patents] . . Voltage sensed
8[Patents] . Concentration sensed
9[Patents] . . pH sensed
10[Patents] . . Humidity sensed
11[Patents] . . Flow of fluid mixture to sorber stopped or diverted to other equipment, or sorbent regenerated
12[Patents] . . Gas flow rate modified
13[Patents] . . Sorbent flow rate modified
14[Patents] . Temperature sensed
15[Patents] . . And pressure sensed
16[Patents] . . Modification of flow rate of liquid which is added to gas
17[Patents] . . Cooling
18[Patents] . . Heating
19[Patents] . Pressure sensed
20[Patents] . . Apparatus cleaned
21[Patents] . . Sorbent regenerated
22[Patents] . . Gas flow rate modified
23[Patents] . Gas flow rate sensed
24[Patents] . Liquid level sensed
25[Patents]WITH RECORDING OR SIGNALING CONDITION
26[Patents]WITH TIMING OF OPERATION
27[Patents]MAGNETIZED PARTICLE BED
28[Patents]MAGNETIC SEPARATION
29[Patents]SOUND WAVES USED
30[Patents] . Degasification of liquid
31[Patents]DIFFERENCE IN MOLECULAR VELOCITY, DENSITY, OR MOMENTUM OF GASES USED
32[Patents] . Passing gases through nozzle
33[Patents] . . Directing gas streams toward one another
34[Patents] . Centrifugal force
35[Patents] . . Created by rotating equipment
36[Patents]LIQUID-SOLID SLURRY USED
37[Patents] . Organic compound removed from gas
38[Patents] . Halogen containing compound removed from gas
39[Patents]COMPRESSING AND INDIRECT COOLING OF GASEOUS FLUID MIXTURE TO SEPARATE
40[Patents] . And use of heat absorbing agent
41[Patents] . And solid sorption
42[Patents] . And liquid contact (e.g., scrubbing, sorption, etc.)
43[Patents]SELECTIVE DIFFUSION OF GASES
44[Patents] . Selective diffusion of gases through immobilized liquid
45[Patents] . Selective diffusion of gases through substantially solid barrier (e.g., semipermeable membrane, etc.)
46[Patents] . . Degasification of liquid
47[Patents] . . Nitrogen or nitrogen containing compound permeates barrier
48[Patents] . . Halogen containing compound permeates barrier
49[Patents] . . Sulfur containing compound permeates barrier
50[Patents] . . Organic compound permeates barrier
51[Patents] . . Carbon dioxide or carbon monoxide permeates barrier
52[Patents] . . Water vapor permeates barrier
53[Patents] . . Helium permeates barrier
54[Patents] . . Oxygen permeates barrier
55[Patents] . . Hydrogen permeates barrier
56[Patents] . . . Elemental metal or alloy barrier
57[Patents]ELECTRIC OR ELECTROSTATIC FIELD (E.G., ELECTROSTATIC PRECIPITATION, ETC.)
58[Patents] . With addition of solid, gas, or vapor
59[Patents] . . Electrode treating (e.g., coating, cleaning, etc.)
60[Patents] . . Heating or cooling
61[Patents] . . Solid is electrically conducting
62[Patents] . . Agglomerating gas-borne particles
63[Patents] . And nonelectrical separation of fluid mixture
64[Patents] . . Liquid addition to gaseous fluid mixture
65[Patents] . . . Liquid addition precedes electrical precipitation
66[Patents] . . . . With heating or cooling
67[Patents] . . By heating or cooling
68[Patents] . . Including cleaning or regeneration of separating means (e.g., particulate bed filter, deflector, etc.)
69[Patents] . . Distinct separation step precedes electric or electrostatic treatment
70[Patents] . . Distinct separation step follows electric or electrostatic treatment
71[Patents] . With addition of liquid to gaseous fluid mixture
72[Patents] . . Vaporization of liquid
73[Patents] . With heating or cooling
74[Patents] . With cleaning of collector electrode
75[Patents] . . By liquid flushing
76[Patents] . . By scraping or vibrating
77[Patents] . Continuously moving electrode
78[Patents] . Including baffling, deflection, or restriction of gas flow
79[Patents] . Plural separate stages or zones (e.g., separate ionization and collection regions, etc.)
80[Patents] . . Pulsing or time-varying electric field (e.g., AC, pulsed DC, etc.)
81[Patents] . Pulsing or time-varying electric field (e.g., AC, pulsed DC, etc.)
82[Patents]CHROMATOGRAPHY
83[Patents] . Liquid supported on surface of capillary column
84[Patents] . Liquid supported on particulate packing
85[Patents] . Including use of gas flow distributor in column
86[Patents] . Plural separate columns
87[Patents] . With heating or cooling
88[Patents] . Specific column packing or sorbent material (e.g., particle size, composition, etc.)
89[Patents] . Injection, per se, without separation
90[Patents]SOLID SORPTION
91[Patents] . Soluble or deliquescent material used
92[Patents] . And liquid contact (e.g., scrubbing, sorption, etc.)
93[Patents] . . Sweep gas used on solid sorbent
94[Patents] . . And recycle or reuse of contact liquid for further contact
95[Patents] . Including reduction of pressure
96[Patents] . . Plural pressure varying steps (e.g., pressure swing adsorption, etc.)
97[Patents] . . . Sweep gas used
98[Patents] . . . . Feed gas or constituent thereof is sweep gas
99[Patents] . . . . . With heating or cooling
100[Patents] . . . . . Stepped pressure reduction
101[Patents] . . . . . . Vacuum applied
102[Patents] . . . . . Vacuum applied
103[Patents] . . . Stepped pressure reduction
104[Patents] . . Sweep gas used
105[Patents] . . . Feed gas or constituent thereof is sweep gas
106[Patents] . . With heating or cooling
107[Patents] . Moving sorbent
108[Patents] . . Fluidized bed
109[Patents] . . . Having gravity flow of sorbent from zone to zone
110[Patents] . . Gravity flow of sorbent from zone to zone
111[Patents] . . . Sweep gas used
112[Patents] . . . . Steam is sweep gas
113[Patents] . . Rotating housing containing fixed sorbent or rotating plurality of housings
114[Patents] . With plural indirect heat transfer steps on solid sorbent or gaseous fluid mixture or constituent thereof
115[Patents] . . Heating and cooling
116[Patents] . Inorganic gas or liquid particle sorbed (e.g., vapor, mist, etc.)
117[Patents] . . Water sorbed
118[Patents] . . . Plural separating treatments of gas by solid sorbent to remove water
119[Patents] . . . . And regeneration of any solid sorbent
120[Patents] . . . . . Heating or cooling
121[Patents] . . . And regeneration of solid sorbent
122[Patents] . . . . Sweep gas used
123[Patents] . . . . . Hot sweep gas
124[Patents] . . . . . . And cooling of sweep gas
125[Patents] . . . . . . And cooling of solid sorbent
126[Patents] . . . . By heating
127[Patents] . . Noble gas sorbed
128[Patents] . . Nitrogen containing compound sorbed
129[Patents] . . . Nitrogen oxide sorbed
130[Patents] . . Nitrogen sorbed
131[Patents] . . Halogen or halogen containing compound sorbed
132[Patents] . . . Chlorine or chlorine containing compound sorbed
133[Patents] . . Metal or metal containing compound sorbed
134[Patents] . . . Mercury sorbed
135[Patents] . . Sulfur containing compound sorbed
136[Patents] . . . Hydrogen sulfide sorbed
137[Patents] . . . Sulfur dioxide or sulfur trioxide sorbed
138[Patents] . . Oxygen or ozone sorbed
139[Patents] . . Carbon dioxide sorbed
140[Patents] . . Carbon monoxide sorbed
141[Patents] . Organic gas or liquid particle sorbed (e.g., vapor, mist, etc.)
142[Patents] . . Halogen containing compound sorbed (e.g., phosgene, etc.)
143[Patents] . . Hydrocarbon sorbed
144[Patents] . . . Alkene sorbed
145[Patents] . . . Alkyne sorbed (e.g., acetylene, etc.)
146[Patents] . . . Gasoline sorbed
147[Patents] . . . Benzene ring containing compound sorbed
148[Patents] . And regeneration
149[Patents]LIQUID CONTACTING (E.G., SORPTION, SCRUBBING, ETC.)
150[Patents] . Including foaming of liquid to aid in the separation
151[Patents] . Mechanical agitation of liquid body to contact gaseous fluid mixture
152[Patents] . Coagulating or flocculating agent
153[Patents] . Hydrate inhibitor
154[Patents] . Surfactant or wetting agent
155[Patents] . Defoaming or antifoaming agent
156[Patents] . And degasification of a liquid
157[Patents] . . Defoaming
158[Patents] . . Degasification step occurs first, with removed gas subsequently contacted by liquid
159[Patents] . . By stripping with gas
160[Patents] . . . And reduction of pressure (e.g., flashing, etc.)
161[Patents] . . . . And heating
162[Patents] . . . . . Steam is stripping gas
163[Patents] . . . . Liquid recycled or reused
164[Patents] . . . . Feed gas or constituent thereof is stripping gas
165[Patents] . . . And heating
166[Patents] . . . . Liquid recycled or reused
167[Patents] . . . . Vaporized component of contact liquid is stripping gas
168[Patents] . . . . Steam is stripping gas
169[Patents] . . . Liquid recycled or reused
170[Patents] . . . Air is stripping gas
171[Patents] . . . Inert stripping gas
172[Patents] . . By reduction of pressure (e.g., flashing, etc.)
173[Patents] . . . And heating
174[Patents] . . . . Liquid recycled or reused
175[Patents] . . . Vacuum applied
176[Patents] . . . Removed gas recycled
177[Patents] . . . Liquid recycled or reused
178[Patents] . . By heating
179[Patents] . . . Liquid recycled or reused
180[Patents] . . . . Liquid cooling step before being recycled
181[Patents] . . . Sulfur compound removed
182[Patents] . . . Halogen compound removed
183[Patents] . . . Carbon dioxide removed
184[Patents] . . . Organic compound removed
185[Patents] . . By liquid flow modifying or mechanical agitating
186[Patents] . . Liquid recycled or reused
187[Patents] . And recycle or reuse of contact liquid for further contact
188[Patents] . . After separation of liquid from contact liquid
189[Patents] . . . And separation of solid from contact liquid
190[Patents] . . . By liquid-liquid extraction or formation of azeotrope
191[Patents] . . . By stripping with gas
192[Patents] . . . By reduction of pressure (e.g., flashing, etc.)
193[Patents] . . . By heating (e.g., fractional distillation, etc.)
194[Patents] . . . . Indirect heat exchange
195[Patents] . . After separation of solid from contact liquid
196[Patents] . . . By filtration
197[Patents] . . . By gravity separation
198[Patents] . . And deflection to remove liquid particles from gas
199[Patents] . . Liquid contact in plural serial stages
200[Patents] . . . Removal of solid or liquid particles from gas
201[Patents] . . . Reduction of pressure during liquid contact
202[Patents] . . Removal of solid or liquid particles from gas
203[Patents] . . Reduction of pressure
204[Patents] . And recycle of gas for further contact
205[Patents] . And separation of solid from contact liquid
206[Patents] . And separation of liquid from contact liquid
207[Patents] . . By stripping with gas
208[Patents] . . By reduction of pressure (e.g., flashing, etc.)
209[Patents] . . By heating (e.g., fractional distillation, etc.)
210[Patents] . On surface extending mass
211[Patents] . . Particulate media, fibrous media, or packing elements
212[Patents] . . . And cleaning of particulate media, fibrous media, or packing elements
213[Patents] . . Apertured partition member
214[Patents] . And filtration of gas
215[Patents] . . Including movement of filter
216[Patents] . And deflection
217[Patents] . . Liquid is in form of curtain
218[Patents] . . Including movement of deflector
219[Patents] . . Including rotation of liquid, gaseous fluid mixture, or gas-liquid mixture through 360 degrees in stationary apparatus
220[Patents] . . . With heating or cooling
221[Patents] . . Deflection in plural serial stages
222[Patents] . . . Using diverse type deflectors
223[Patents] . In plural serial stages
224[Patents] . . Liquid sprays
225[Patents] . . . With heating or cooling
226[Patents] . Gaseous fluid mixture discharged against or beneath surface of liquid body
227[Patents] . With heating
228[Patents] . With cooling
229[Patents] . . Cooling before liquid contacting
230[Patents] . Inorganic gas, liquid particle, or solid particle sorbed (e.g., vapor, mist, dust, etc.)
231[Patents] . . Water sorbed
232[Patents] . . Nitrogen or nitrogen containing compound sorbed
233[Patents] . . Halogen or halogen containing compound sorbed
234[Patents] . . Metal or metal containing compound sorbed
235[Patents] . . Sulfur or sulfur containing compound sorbed
236[Patents] . . Carbon dioxide sorbed
237[Patents] . Organic gas, liquid particle, or solid particle sorbed (e.g., vapor, mist, dust, etc.)
238[Patents] . . Alkyne sorbed (e.g., acetylene, etc.)
239[Patents] . . Cyclic compound sorbed
240[Patents] . . Alkene sorbed
241[Patents]DEGASIFICATION OF LIQUID
242[Patents] . Defoaming
243[Patents] . Plural successive degassing treatments
244[Patents] . . Boiler feed water degassing
245[Patents] . . By stripping with gas
246[Patents] . . . And reduction of pressure (e.g., flashing, etc.)
247[Patents] . . By reduction of pressure (e.g., flashing, etc.)
248[Patents] . . . And liquid flow modifying or mechanical agitating
249[Patents] . . . . And heating
250[Patents] . . . And heating
251[Patents] . . By heating
252[Patents] . . . And liquid flow modifying or mechanical agitating
253[Patents] . Emulsion breaking or multiple liquid separating
254[Patents] . And subsequent handling of evolved gas, stripping gas, or residue liquid
255[Patents] . . Evolved gas removed by sweep gas
256[Patents] . . For indirect heat exchange
257[Patents] . . . Gas condensed
258[Patents] . . Gas recycled or further separated
259[Patents] . . Liquid further separated
260[Patents] . By liquid flow modifying or mechanical agitating
261[Patents] . . Centrifugal force
262[Patents] . . Impinging on baffle
263[Patents] . By stripping with gas
264[Patents] . . Steam is stripping gas
265[Patents] . . Nitrogen is stripping gas
266[Patents] . By reduction of pressure (e.g., flashing, etc.)
267[Patents]DEFLECTING
268[Patents] . And filtering
269[Patents] . Centrifugal force
270[Patents] . . Created by rotating equipment
271[Patents] . . Tangential gas inflow (e.g., cyclone, etc.)
272[Patents] . Tortuous flow path
273[Patents]FILTERING
274[Patents] . Through particulate solids
275[Patents] . . Moving bed
276[Patents] . . With cleaning of filter bed
277[Patents] . Moving filter
278[Patents] . With cleaning of filter
279[Patents] . . By use of gas
280[Patents] . . . Pulsed gas flow
281[Patents] . . By use of liquid
282[Patents] . . By mechanical manipulation
283[Patents] . With heating of filter
284[Patents] . And reduction of pressure
285[Patents] . Coated or chemically treated filter
286[Patents] . Plural separate media
287[Patents] . . In series
288[Patents]HEAT EXCHANGING
289[Patents] . Cold wall-hot wall thermal diffusion
290[Patents] . Condensing to solid
291[Patents]MISCELLANEOUS
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CROSS-REFERENCE ART COLLECTIONS
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900[Patents]SOLID SORBENT
901[Patents] . Activated carbon
902[Patents] . Molecular sieve
903[Patents] . . Carbon


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Last Modified: 6 October 2000