NO871880L - Fremgangsmaate for separering av sure gasser. - Google Patents
Fremgangsmaate for separering av sure gasser.Info
- Publication number
- NO871880L NO871880L NO871880A NO871880A NO871880L NO 871880 L NO871880 L NO 871880L NO 871880 A NO871880 A NO 871880A NO 871880 A NO871880 A NO 871880A NO 871880 L NO871880 L NO 871880L
- Authority
- NO
- Norway
- Prior art keywords
- solvent
- gas
- pressure
- flash
- carbon dioxide
- Prior art date
Links
- 239000007789 gas Substances 0.000 title claims description 80
- 239000002253 acid Substances 0.000 title claims description 22
- 238000000034 method Methods 0.000 title claims description 21
- 239000002904 solvent Substances 0.000 claims description 87
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 58
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 29
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 23
- 239000001569 carbon dioxide Substances 0.000 claims description 22
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 19
- 238000010521 absorption reaction Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 17
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 claims description 13
- 230000002378 acidificating effect Effects 0.000 claims description 11
- 239000006096 absorbing agent Substances 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 238000003786 synthesis reaction Methods 0.000 claims description 10
- 229920001223 polyethylene glycol Polymers 0.000 claims description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 7
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 claims description 6
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 claims description 6
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 4
- 238000003795 desorption Methods 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 3
- 238000000926 separation method Methods 0.000 description 17
- 150000002170 ethers Chemical class 0.000 description 14
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical class CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 150000005218 dimethyl ethers Chemical class 0.000 description 5
- 239000002202 Polyethylene glycol Substances 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- PZHIWRCQKBBTOW-UHFFFAOYSA-N 1-ethoxybutane Chemical class CCCCOCC PZHIWRCQKBBTOW-UHFFFAOYSA-N 0.000 description 3
- 150000001983 dialkylethers Chemical class 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- -1 ethylene propyl ethers Chemical class 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical group CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical group C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001346 alkyl aryl ethers Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- LVTYICIALWPMFW-UHFFFAOYSA-N diisopropanolamine Chemical compound CC(O)CNCC(C)O LVTYICIALWPMFW-UHFFFAOYSA-N 0.000 description 1
- 229940043276 diisopropanolamine Drugs 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical class CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000006266 etherification reaction Methods 0.000 description 1
- GJJASJCGLOUWAC-UHFFFAOYSA-N ethoxycyclohexane Chemical compound CCOC1CCCCC1 GJJASJCGLOUWAC-UHFFFAOYSA-N 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000005217 methyl ethers Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/16—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with non-aqueous liquids
- C10K1/165—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with non-aqueous liquids at temperatures below zero degrees Celsius
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
- C01B3/52—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with liquids; Regeneration of used liquids
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
- C01B2203/0415—Purification by absorption in liquids
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
- C01B2203/0465—Composition of the impurity
- C01B2203/0475—Composition of the impurity the impurity being carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
- C01B2203/0465—Composition of the impurity
- C01B2203/048—Composition of the impurity the impurity being an organic compound
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
- C01B2203/0465—Composition of the impurity
- C01B2203/0485—Composition of the impurity the impurity being a sulfur compound
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
- Carbon And Carbon Compounds (AREA)
- Industrial Gases (AREA)
- Hydrogen, Water And Hydrids (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10302386 | 1986-05-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO871880D0 NO871880D0 (no) | 1987-05-06 |
| NO871880L true NO871880L (no) | 1987-11-30 |
Family
ID=14343044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO871880A NO871880L (no) | 1986-05-07 | 1987-05-06 | Fremgangsmaate for separering av sure gasser. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4741745A (de) |
| EP (1) | EP0248541B2 (de) |
| JP (1) | JPH0698261B2 (de) |
| KR (1) | KR900004582B1 (de) |
| CN (1) | CN1008067B (de) |
| AU (1) | AU582497B2 (de) |
| BR (1) | BR8702315A (de) |
| CA (1) | CA1293850C (de) |
| DE (2) | DE3780364D1 (de) |
| ES (1) | ES2033310T5 (de) |
| IN (1) | IN166627B (de) |
| MX (1) | MX169064B (de) |
| NO (1) | NO871880L (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0698262B2 (ja) * | 1987-11-06 | 1994-12-07 | 株式会社日本触媒 | 酸性ガス吸収剤組成物 |
| DE3922023A1 (de) * | 1989-07-05 | 1991-01-17 | Hoechst Ag | Verfahren zum abtrennen eines loesemittelgemisches aus einem gasstrom |
| US5376614A (en) * | 1992-12-11 | 1994-12-27 | United Technologies Corporation | Regenerable supported amine-polyol sorbent |
| ES2132590T3 (es) * | 1993-11-09 | 1999-08-16 | Union Carbide Chem Plastic | Absorcion de mercaptanos. |
| US6592779B1 (en) | 1995-10-23 | 2003-07-15 | Union Carbide Chemicals & Plastics Technology Corporation | Composition and method for acid gas treatment |
| SE509580C2 (sv) * | 1996-11-18 | 1999-02-08 | Gibeck Ab Louis | Regenererbar absorbatoranordningsapparat, jämte ett förfarande för avlägsnande av koldioxid från utandningsgaser under anestesi samt ett recirkulerande recirkulerande system för anestesi. |
| US6419888B1 (en) | 2000-06-02 | 2002-07-16 | Softrock Geological Services, Inc. | In-situ removal of carbon dioxide from natural gas |
| CA2519763C (en) * | 2003-03-21 | 2012-07-10 | Dow Global Technologies Inc. | Improved composition and method for removal of carbonyl sulfide from acid gas containing same |
| MX2007001223A (es) * | 2004-08-05 | 2007-04-17 | Mallinckrodt Baker Inc | Preparacion de articulos polimericos ultrapuros. |
| CN101808970B (zh) * | 2007-09-26 | 2014-02-19 | 陶氏环球技术公司 | 用于从醇盐阴离子或醇盐阴离子的前体制备醚的方法 |
| US8500868B2 (en) * | 2009-05-01 | 2013-08-06 | Massachusetts Institute Of Technology | Systems and methods for the separation of carbon dioxide and water |
| JP5678260B2 (ja) * | 2011-02-17 | 2015-02-25 | 独立行政法人産業技術総合研究所 | 低揮発性二酸化炭素吸収液およびガス分離方法 |
| EP3313552A1 (de) | 2015-06-26 | 2018-05-02 | Dow Global Technologies LLC | Verbesserte dimethylethylenglykolzusammensetzung zur sauergasbehandlung |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2139375A (en) * | 1937-06-14 | 1938-12-06 | Shell Dev | Removal of so from gases |
| US2649166A (en) * | 1950-05-02 | 1953-08-18 | Allied Chem & Dye Corp | Absorption of carbon dioxide from gases containing the same |
| US3737392A (en) * | 1969-06-11 | 1973-06-05 | Allied Chem | Solvent composition useful in acid gas removal from gas mixtures |
| US4044100A (en) * | 1969-12-08 | 1977-08-23 | Allied Chemical Corporation | Separation of acidic gas constituents from gaseous mixtures containing the same |
| DE2226215C3 (de) * | 1972-05-30 | 1975-09-25 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur Regeneration eines beladenen Absorptionsmittels, das beim Auswaschen von sauren Komponenten aus Gasen anfällt |
| US3877893A (en) * | 1973-05-10 | 1975-04-15 | Allied Chem | Absorption and separation of normally liquid gas contaminants |
| US3824766A (en) * | 1973-05-10 | 1974-07-23 | Allied Chem | Gas purification |
| US4330305A (en) * | 1976-03-19 | 1982-05-18 | Basf Aktiengesellschaft | Removal of CO2 and/or H2 S from gases |
| DE2611613B2 (de) * | 1976-03-19 | 1979-04-26 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Abtrennung von CO2 und/oder H25 aus Gasen, die diese Bestandteile enthalten |
| US4345918A (en) * | 1979-01-31 | 1982-08-24 | Institute Of Gas Technology | Process for purification of gas streams |
| DE2923012A1 (de) * | 1979-06-07 | 1980-12-18 | Basf Ag | Verfahren zur gleichzeitigen entfernung von wasser und schwefelwasserstoff aus gasen |
| DE3112661A1 (de) * | 1981-03-31 | 1982-10-14 | Basf Ag, 6700 Ludwigshafen | Verfahren zur abtrennung von kondensierbaren aliphatischen kohlenwasserstoffen und sauren gasen aus erdgasen |
| AU2906984A (en) * | 1983-06-23 | 1985-01-03 | Norton Co. | Absorption of acid gases |
| US4552572A (en) * | 1983-07-26 | 1985-11-12 | Bechtel International Corporation | Process for desulfurization of fuel gas |
| US4581154A (en) * | 1983-12-19 | 1986-04-08 | Norton Company | Solvent composition for the removal of acid gas from gas mixtures at subfreezing temperatures |
-
1987
- 1987-04-27 US US07/043,013 patent/US4741745A/en not_active Expired - Lifetime
- 1987-05-06 ES ES87304056T patent/ES2033310T5/es not_active Expired - Lifetime
- 1987-05-06 KR KR1019870004482A patent/KR900004582B1/ko not_active IP Right Cessation
- 1987-05-06 DE DE8787304056A patent/DE3780364D1/de not_active Expired - Fee Related
- 1987-05-06 EP EP87304056A patent/EP0248541B2/de not_active Expired - Lifetime
- 1987-05-06 CA CA000536476A patent/CA1293850C/en not_active Expired - Fee Related
- 1987-05-06 DE DE3780364T patent/DE3780364T4/de not_active Expired - Lifetime
- 1987-05-06 AU AU72556/87A patent/AU582497B2/en not_active Ceased
- 1987-05-06 JP JP10893287A patent/JPH0698261B2/ja not_active Expired - Lifetime
- 1987-05-06 NO NO871880A patent/NO871880L/no unknown
- 1987-05-06 BR BR8702315A patent/BR8702315A/pt not_active Application Discontinuation
- 1987-05-07 CN CN87104044A patent/CN1008067B/zh not_active Expired
- 1987-05-07 MX MX006390A patent/MX169064B/es unknown
- 1987-05-11 IN IN379/CAL/87A patent/IN166627B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU582497B2 (en) | 1989-03-23 |
| DE3780364T2 (de) | 1993-03-04 |
| IN166627B (de) | 1990-06-23 |
| JPH0698261B2 (ja) | 1994-12-07 |
| JPS63116722A (ja) | 1988-05-21 |
| CN1008067B (zh) | 1990-05-23 |
| NO871880D0 (no) | 1987-05-06 |
| ES2033310T5 (es) | 1995-08-16 |
| EP0248541A2 (de) | 1987-12-09 |
| EP0248541B1 (de) | 1992-07-15 |
| KR900004582B1 (ko) | 1990-06-30 |
| DE3780364D1 (de) | 1992-08-20 |
| EP0248541A3 (en) | 1989-06-07 |
| US4741745A (en) | 1988-05-03 |
| MX169064B (es) | 1993-06-21 |
| EP0248541B2 (de) | 1995-05-17 |
| ES2033310T3 (es) | 1993-03-16 |
| CN87104044A (zh) | 1988-03-09 |
| DE3780364T4 (de) | 1995-07-13 |
| AU7255687A (en) | 1987-12-10 |
| KR870010893A (ko) | 1987-12-18 |
| CA1293850C (en) | 1992-01-07 |
| BR8702315A (pt) | 1988-02-17 |
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