DE2143759C3 - Verfahren zur adsorptiven Reinigung von Kohlenwasserstoffen - Google Patents
Verfahren zur adsorptiven Reinigung von KohlenwasserstoffenInfo
- Publication number
- DE2143759C3 DE2143759C3 DE2143759A DE2143759A DE2143759C3 DE 2143759 C3 DE2143759 C3 DE 2143759C3 DE 2143759 A DE2143759 A DE 2143759A DE 2143759 A DE2143759 A DE 2143759A DE 2143759 C3 DE2143759 C3 DE 2143759C3
- Authority
- DE
- Germany
- Prior art keywords
- adsorbent bed
- impurity
- bed
- adsorption stage
- adsorbed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229930195733 hydrocarbon Natural products 0.000 title claims description 35
- 150000002430 hydrocarbons Chemical class 0.000 title claims description 34
- 238000000034 method Methods 0.000 title claims description 12
- 230000000274 adsorptive effect Effects 0.000 title claims 4
- 238000000746 purification Methods 0.000 title claims 4
- 239000003463 adsorbent Substances 0.000 claims description 33
- 239000012535 impurity Substances 0.000 claims description 33
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 31
- 238000001179 sorption measurement Methods 0.000 claims description 26
- 150000003464 sulfur compounds Chemical class 0.000 claims description 21
- 150000001336 alkenes Chemical class 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 18
- 239000002808 molecular sieve Substances 0.000 claims description 18
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 17
- 238000011068 loading method Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 14
- 239000003345 natural gas Substances 0.000 claims description 13
- 239000004215 Carbon black (E152) Substances 0.000 claims description 11
- 238000010926 purge Methods 0.000 claims description 11
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 9
- 239000000571 coke Substances 0.000 claims description 9
- -1 alkyl mercaptans Chemical class 0.000 claims description 8
- 239000000356 contaminant Substances 0.000 claims description 8
- 238000003795 desorption Methods 0.000 claims description 8
- RMVRSNDYEFQCLF-UHFFFAOYSA-N thiophenol Chemical compound SC1=CC=CC=C1 RMVRSNDYEFQCLF-UHFFFAOYSA-N 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 5
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000008929 regeneration Effects 0.000 claims description 4
- 238000011069 regeneration method Methods 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 150000002019 disulfides Chemical class 0.000 claims description 3
- 239000003502 gasoline Substances 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 150000003568 thioethers Chemical class 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 230000008021 deposition Effects 0.000 claims description 2
- 238000006477 desulfuration reaction Methods 0.000 claims description 2
- 230000023556 desulfurization Effects 0.000 claims description 2
- 239000003498 natural gas condensate Substances 0.000 claims description 2
- 229930192474 thiophene Natural products 0.000 claims description 2
- 150000002897 organic nitrogen compounds Chemical class 0.000 claims 4
- 238000011109 contamination Methods 0.000 claims 2
- 239000010779 crude oil Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- XLNZHTHIPQGEMX-UHFFFAOYSA-N ethane propane Chemical compound CCC.CCC.CC.CC XLNZHTHIPQGEMX-UHFFFAOYSA-N 0.000 claims 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims 1
- 230000004992 fission Effects 0.000 claims 1
- 238000006116 polymerization reaction Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 15
- 239000012188 paraffin wax Substances 0.000 description 14
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 10
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 9
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 7
- 239000001282 iso-butane Substances 0.000 description 7
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 5
- 239000005977 Ethylene Substances 0.000 description 5
- 229910021536 Zeolite Inorganic materials 0.000 description 5
- 230000029936 alkylation Effects 0.000 description 5
- 238000005804 alkylation reaction Methods 0.000 description 5
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 5
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 5
- 239000010457 zeolite Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000002156 adsorbate Substances 0.000 description 4
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 4
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 239000001294 propane Substances 0.000 description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- WQAQPCDUOCURKW-UHFFFAOYSA-N butanethiol Chemical compound CCCCS WQAQPCDUOCURKW-UHFFFAOYSA-N 0.000 description 2
- 150000001993 dienes Chemical class 0.000 description 2
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 2
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- SUVIGLJNEAMWEG-UHFFFAOYSA-N propane-1-thiol Chemical compound CCCS SUVIGLJNEAMWEG-UHFFFAOYSA-N 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 2
- BKOOMYPCSUNDGP-UHFFFAOYSA-N 2-methylbut-2-ene Chemical group CC=C(C)C BKOOMYPCSUNDGP-UHFFFAOYSA-N 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000002168 alkylating agent Substances 0.000 description 1
- 229940100198 alkylating agent Drugs 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 238000003442 catalytic alkylation reaction Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- IAQRGUVFOMOMEM-ARJAWSKDSA-N cis-but-2-ene Chemical compound C\C=C/C IAQRGUVFOMOMEM-ARJAWSKDSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 125000004817 pentamethylene group Chemical class [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- IAQRGUVFOMOMEM-ONEGZZNKSA-N trans-but-2-ene Chemical compound C\C=C\C IAQRGUVFOMOMEM-ONEGZZNKSA-N 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
-
- 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
- Y02C20/20—Capture or disposal of greenhouse gases of methane
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation Of Gases By Adsorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7005270A | 1970-09-08 | 1970-09-08 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2143759A1 DE2143759A1 (de) | 1972-03-09 |
| DE2143759B2 DE2143759B2 (de) | 1978-11-30 |
| DE2143759C3 true DE2143759C3 (de) | 1979-08-02 |
Family
ID=22092815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2143759A Expired DE2143759C3 (de) | 1970-09-08 | 1971-09-01 | Verfahren zur adsorptiven Reinigung von Kohlenwasserstoffen |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3660967A (enExample) |
| JP (1) | JPS5229263B1 (enExample) |
| AT (1) | AT328599B (enExample) |
| AU (1) | AU461643B2 (enExample) |
| BE (1) | BE772312A (enExample) |
| CA (1) | CA982495A (enExample) |
| DE (1) | DE2143759C3 (enExample) |
| ES (1) | ES394853A1 (enExample) |
| FR (1) | FR2107357A5 (enExample) |
| GB (1) | GB1354760A (enExample) |
| NL (1) | NL7112326A (enExample) |
| SE (1) | SE375703B (enExample) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4329160A (en) * | 1974-07-08 | 1982-05-11 | Union Carbide Corporation | Suppression of COS formation in molecular sieve purification of hydrocarbon gas streams |
| JPS53135074U (enExample) * | 1977-03-30 | 1978-10-25 | ||
| ATA842477A (de) * | 1977-11-24 | 1980-01-15 | Kneissl Ski | Ski |
| US4286972A (en) * | 1978-01-03 | 1981-09-01 | Exxon Research & Engineering Co. | Vapor phase adsorption using nonstoichiometric carbon-sulfur compounds |
| JPS5545343U (enExample) * | 1978-09-19 | 1980-03-25 | ||
| FR2460703A1 (fr) * | 1979-07-06 | 1981-01-30 | Elf France | Procede de separation ou de purification de melanges a l'aide d'un solide adsorbant |
| JPS6052876U (ja) * | 1983-09-17 | 1985-04-13 | 協業組合青森スキ−製作所 | スキ− |
| JPS6052875U (ja) * | 1983-09-17 | 1985-04-13 | 協業組合青森スキ−製作所 | スキ− |
| JPS60109670U (ja) * | 1983-12-28 | 1985-07-25 | 株式会社 西沢 | スキ− |
| DE3410815A1 (de) * | 1984-03-23 | 1985-10-03 | Linde Ag, 6200 Wiesbaden | Verfahren zur trocknung eines gasstromes |
| DE3914817C2 (de) * | 1989-05-05 | 1995-09-07 | Huels Chemische Werke Ag | Verfahren zur Oligomerisierung von Olefinen |
| US4964889A (en) * | 1989-12-04 | 1990-10-23 | Uop | Selective adsorption on magnesium-containing clinoptilolites |
| US5223237A (en) * | 1992-01-03 | 1993-06-29 | Lehigh University | Process for removing sulfur oxides from a gas stream |
| US5599441A (en) * | 1995-05-31 | 1997-02-04 | Mobil Oil Corporation | Alkylation process for desulfurization of gasoline |
| US5879433A (en) * | 1997-07-31 | 1999-03-09 | Union Oil Company Of California | Method and apparatus for reducing the acid gas and/or inert particulate content of steam |
| US6579347B1 (en) * | 1998-04-28 | 2003-06-17 | Matsushita Electric Industrial Co., Ltd. | Method for removing sulfur compound present in city gas |
| US6346138B1 (en) * | 1999-09-01 | 2002-02-12 | Praxair Technology, Inc. | Purification of hexafluoroethane |
| EP1236495A1 (en) * | 2001-03-02 | 2002-09-04 | Engelhard Corporation | Process and apparatus for removing sulfur compounds from a hydrocarbon stream |
| US7063732B2 (en) * | 2003-07-28 | 2006-06-20 | Fuelcell Energy, Inc. | High-capacity sulfur adsorbent bed and gas desulfurization method |
| FR2882941B1 (fr) * | 2005-03-08 | 2007-12-21 | Inst Francais Du Petrole | Procede de purification d'un gaz naturel par adsorption des mercaptans |
| FR2884154B1 (fr) * | 2005-04-07 | 2007-12-21 | Inst Francais Du Petrole | Procede de purification d'un gaz naturel par adsorption des mercaptans |
| CA2615439C (en) | 2005-07-26 | 2015-04-14 | Exxonmobil Upstream Research Company | Method of purifying hydrocarbons and regeneration of adsorbents used therein |
| FR2921470B1 (fr) * | 2007-09-24 | 2015-12-11 | Inst Francais Du Petrole | Procede de liquefaction d'un gaz naturel sec. |
| US8193111B2 (en) | 2009-07-24 | 2012-06-05 | Uop Llc | Process or system for desorbing an adsorbent bed |
| US9205357B2 (en) | 2012-03-29 | 2015-12-08 | The Boeing Company | Carbon dioxide separation system and method |
| US9156703B2 (en) * | 2012-03-30 | 2015-10-13 | The Boeing Company | System and method for producing carbon dioxide |
| US9103549B2 (en) | 2012-08-23 | 2015-08-11 | The Boeing Company | Dual stream system and method for producing carbon dioxide |
| US9777628B2 (en) | 2012-08-23 | 2017-10-03 | The Boeing Company | System and method for processing greenhouse gases |
| US9073001B2 (en) | 2013-02-14 | 2015-07-07 | The Boeing Company | Monolithic contactor and associated system and method for collecting carbon dioxide |
| US9790442B2 (en) * | 2014-12-17 | 2017-10-17 | Uop Llc | Selective hydrogenation method |
| US9364782B1 (en) * | 2015-01-26 | 2016-06-14 | Chevron U.S.A. Inc. | Separation of gases using GME framework type zeolites |
| US9908079B2 (en) * | 2015-01-27 | 2018-03-06 | Dow Global Technologies Llc | Separation of hydrocarbons using regenerable macroporous alkylene-bridged adsorbent |
| US10005968B2 (en) * | 2015-09-16 | 2018-06-26 | Uop Llc | Process for removing sulfur compounds from hydrocarbon streams |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE690862A (enExample) * | 1965-12-13 | 1967-06-08 |
-
1970
- 1970-09-08 US US70052A patent/US3660967A/en not_active Expired - Lifetime
-
1971
- 1971-07-27 CA CA119,156A patent/CA982495A/en not_active Expired
- 1971-09-01 DE DE2143759A patent/DE2143759C3/de not_active Expired
- 1971-09-07 NL NL7112326A patent/NL7112326A/xx unknown
- 1971-09-07 AT AT776971A patent/AT328599B/de not_active IP Right Cessation
- 1971-09-07 SE SE7111331A patent/SE375703B/xx unknown
- 1971-09-07 FR FR7132249A patent/FR2107357A5/fr not_active Expired
- 1971-09-07 AU AU33149/71A patent/AU461643B2/en not_active Expired
- 1971-09-07 BE BE772312A patent/BE772312A/xx unknown
- 1971-09-07 ES ES394853A patent/ES394853A1/es not_active Expired
- 1971-09-07 JP JP46068591A patent/JPS5229263B1/ja active Pending
- 1971-09-07 GB GB4156671A patent/GB1354760A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5229263B1 (enExample) | 1977-08-01 |
| FR2107357A5 (enExample) | 1972-05-05 |
| GB1354760A (en) | 1974-06-05 |
| US3660967A (en) | 1972-05-09 |
| BE772312A (fr) | 1972-03-07 |
| NL7112326A (enExample) | 1972-03-10 |
| ATA776971A (de) | 1975-06-15 |
| AU3314971A (en) | 1973-03-15 |
| DE2143759A1 (de) | 1972-03-09 |
| SE375703B (enExample) | 1975-04-28 |
| AT328599B (de) | 1976-03-25 |
| DE2143759B2 (de) | 1978-11-30 |
| ES394853A1 (es) | 1974-03-16 |
| AU461643B2 (en) | 1975-06-05 |
| CA982495A (en) | 1976-01-27 |
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