JPS6035922B2 - 分板状ブロック共重合物の製法 - Google Patents
分板状ブロック共重合物の製法Info
- Publication number
- JPS6035922B2 JPS6035922B2 JP13330976A JP13330976A JPS6035922B2 JP S6035922 B2 JPS6035922 B2 JP S6035922B2 JP 13330976 A JP13330976 A JP 13330976A JP 13330976 A JP13330976 A JP 13330976A JP S6035922 B2 JPS6035922 B2 JP S6035922B2
- Authority
- JP
- Japan
- Prior art keywords
- monovinyl aromatic
- reaction
- weight
- aromatic compound
- block copolymer
- 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
- 229920001400 block copolymer Polymers 0.000 title claims description 63
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 62
- 150000001491 aromatic compounds Chemical class 0.000 claims description 46
- 239000003999 initiator Substances 0.000 claims description 27
- 239000011230 binding agent Substances 0.000 claims description 22
- 239000000178 monomer Substances 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 14
- -1 monolithium hydrocarbon Chemical class 0.000 claims description 14
- 229930195733 hydrocarbon Natural products 0.000 claims description 12
- 239000004215 Carbon black (E152) Substances 0.000 claims description 11
- 150000001993 dienes Chemical class 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 239000012442 inert solvent Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 description 64
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 36
- 238000006116 polymerization reaction Methods 0.000 description 26
- 239000000243 solution Substances 0.000 description 26
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 14
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 12
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 12
- 108090000623 proteins and genes Proteins 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 5
- 238000005984 hydrogenation reaction Methods 0.000 description 5
- 230000000379 polymerizing effect Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical class [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 3
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920001519 homopolymer Polymers 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- WGOPGODQLGJZGL-UHFFFAOYSA-N lithium;butane Chemical compound [Li+].CC[CH-]C WGOPGODQLGJZGL-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Chemical class 0.000 description 3
- 239000002184 metal Chemical class 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000005049 silicon tetrachloride Substances 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- SDJHPPZKZZWAKF-UHFFFAOYSA-N 2,3-dimethylbuta-1,3-diene Chemical compound CC(=C)C(C)=C SDJHPPZKZZWAKF-UHFFFAOYSA-N 0.000 description 2
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- DMEGYFMYUHOHGS-UHFFFAOYSA-N cycloheptane Chemical compound C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- NVZWEEGUWXZOKI-UHFFFAOYSA-N 1-ethenyl-2-methylbenzene Chemical compound CC1=CC=CC=C1C=C NVZWEEGUWXZOKI-UHFFFAOYSA-N 0.000 description 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- VIZORQUEIQEFRT-UHFFFAOYSA-N Diethyl adipate Chemical compound CCOC(=O)CCCCC(=O)OCC VIZORQUEIQEFRT-UHFFFAOYSA-N 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- NHTMVDHEPJAVLT-UHFFFAOYSA-N Isooctane Chemical compound CC(C)CC(C)(C)C NHTMVDHEPJAVLT-UHFFFAOYSA-N 0.000 description 1
- 229910008290 Li—B Inorganic materials 0.000 description 1
- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229920002732 Polyanhydride Polymers 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000010539 anionic addition polymerization reaction Methods 0.000 description 1
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- MPMBRWOOISTHJV-UHFFFAOYSA-N but-1-enylbenzene Chemical compound CCC=CC1=CC=CC=C1 MPMBRWOOISTHJV-UHFFFAOYSA-N 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 150000001990 dicarboxylic acid derivatives Chemical class 0.000 description 1
- VFURVLVRHAMJKG-UHFFFAOYSA-N dichloro-[2-[dichloro(methyl)silyl]ethyl]-methylsilane Chemical compound C[Si](Cl)(Cl)CC[Si](C)(Cl)Cl VFURVLVRHAMJKG-UHFFFAOYSA-N 0.000 description 1
- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- BLHLJVCOVBYQQS-UHFFFAOYSA-N ethyllithium Chemical compound [Li]CC BLHLJVCOVBYQQS-UHFFFAOYSA-N 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920005684 linear copolymer Polymers 0.000 description 1
- 235000021388 linseed oil Nutrition 0.000 description 1
- 239000000944 linseed oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- SZAVVKVUMPLRRS-UHFFFAOYSA-N lithium;propane Chemical compound [Li+].C[CH-]C SZAVVKVUMPLRRS-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- DVSDBMFJEQPWNO-UHFFFAOYSA-N methyllithium Chemical compound C[Li] DVSDBMFJEQPWNO-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002900 organolithium compounds Chemical class 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 150000004707 phenolate Chemical class 0.000 description 1
- NHKJPPKXDNZFBJ-UHFFFAOYSA-N phenyllithium Chemical compound [Li]C1=CC=CC=C1 NHKJPPKXDNZFBJ-UHFFFAOYSA-N 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 229920002587 poly(1,3-butadiene) polymer Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001470 polyketone Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920006216 polyvinyl aromatic Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- AIFMYMZGQVTROK-UHFFFAOYSA-N silicon tetrabromide Chemical compound Br[Si](Br)(Br)Br AIFMYMZGQVTROK-UHFFFAOYSA-N 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- ZOYFEXPFPVDYIS-UHFFFAOYSA-N trichloro(ethyl)silane Chemical compound CC[Si](Cl)(Cl)Cl ZOYFEXPFPVDYIS-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
- C08F297/04—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
- C08F297/044—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes using a coupling agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
- C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C08G81/021—Block or graft polymers containing only sequences of polymers of C08C or C08F
- C08G81/022—Block or graft polymers containing only sequences of polymers of C08C or C08F containing sequences of polymers of conjugated dienes and of polymers of alkenyl aromatic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Graft Or Block Polymers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2550227.6 | 1975-11-08 | ||
| DE19752550227 DE2550227C2 (de) | 1975-11-08 | 1975-11-08 | Verzweigte Blockcopolymerisate und Verfahren zu ihrer Herstellung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5258788A JPS5258788A (en) | 1977-05-14 |
| JPS6035922B2 true JPS6035922B2 (ja) | 1985-08-17 |
Family
ID=5961264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13330976A Expired JPS6035922B2 (ja) | 1975-11-08 | 1976-11-08 | 分板状ブロック共重合物の製法 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS6035922B2 (cg-RX-API-DMAC10.html) |
| BE (1) | BE848028A (cg-RX-API-DMAC10.html) |
| CA (1) | CA1087339A (cg-RX-API-DMAC10.html) |
| DE (1) | DE2550227C2 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2330706A1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1556234A (cg-RX-API-DMAC10.html) |
| IT (1) | IT1068944B (cg-RX-API-DMAC10.html) |
| NL (1) | NL183193C (cg-RX-API-DMAC10.html) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3032832A1 (de) * | 1980-08-30 | 1982-04-22 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von verzweigten blockcopolymerisaten, verwendung derselben und formteile aus diesen |
| DE3520103A1 (de) * | 1985-06-05 | 1986-12-11 | Basf Ag, 6700 Ludwigshafen | Verfahren zur behandlung von katalysatoren und/oder rueckstaende von initiatoren enthaltenden polymerisaten oder deren loesungen |
| IT1196517B (it) * | 1986-07-17 | 1988-11-16 | Montedipe Spa | Copolimeri a blocco radiali e bimodali aventi ottime proprieta' ottiche e reistenza agli urti e processo per la loro preparazione |
| DE3921677A1 (de) * | 1989-07-01 | 1991-01-10 | Basf Ag | Siegelfaehige kunststoff-folie |
| US5227419A (en) * | 1990-12-20 | 1993-07-13 | Phillips Petroleum Company | Tapered block styrene/butadiene copolymers |
| CA2134026C (en) * | 1993-11-15 | 1998-06-09 | William J. Trepka | Tapered block copolymers of monovinylarenes and conjugated dienes |
| DE4420769A1 (de) * | 1994-06-15 | 1995-12-21 | Basf Ag | Mit alpha-Tocopherol stabilisierte Styrol/Butadien-Blockcopolymere |
| US6593430B1 (en) | 1999-03-27 | 2003-07-15 | Basf Aktiengesellschaft | Transparent, impact-resistant polystyrene on a styrene-butadiene block copolymer basis |
| DE19914075A1 (de) * | 1999-03-27 | 2000-09-28 | Basf Ag | Glasklares, schlagzähes Polystyrol auf Basis von Styrol-Butadien-Blockcopolymeren |
| DE10107423B4 (de) * | 2001-02-14 | 2007-02-15 | Dilo Trading Ag | Verwendung eines anionisch hergestellten 3-Blockpolymeren als Haftvermittler und Lithium-Polymer-Batterie |
| DE10109737B4 (de) * | 2001-02-28 | 2005-10-20 | Dilo Trading Ag Zug | Anionisch hergestellte modifizierte Polystyrol Co-Polymerisate und Verfahren dazu |
| DE10306891B4 (de) * | 2003-02-18 | 2016-07-14 | Ineos Styrolution Europe Gmbh | Transparente Blockcopolymere aus Vinylaromaten und Dienen |
| DE602008005156D1 (cg-RX-API-DMAC10.html) | 2007-07-10 | 2011-04-07 | Basf Se | |
| KR20100081319A (ko) | 2007-09-14 | 2010-07-14 | 바스프 에스이 | 스티렌-부타디엔 블록 공중합체 혼합물을 기재로 하는, 투명하고 인성 및 강성을 갖는 성형 조성물 |
| WO2010072596A1 (de) | 2008-12-23 | 2010-07-01 | Basf Se | Phasenseparierende block- oder pfropfcopolymere aus unverträglichen hartblöcken und formmassen mit hoher steifigkeit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3778490A (en) * | 1969-04-23 | 1973-12-11 | Phillips Petroleum Co | Polar compound adjuvants for improved block polymers prepared with primary hydrocarbyllithium initiators |
-
1975
- 1975-11-08 DE DE19752550227 patent/DE2550227C2/de not_active Expired
-
1976
- 1976-10-14 IT IT2833876A patent/IT1068944B/it active
- 1976-10-21 CA CA264,020A patent/CA1087339A/en not_active Expired
- 1976-11-04 FR FR7633302A patent/FR2330706A1/fr active Granted
- 1976-11-05 GB GB4613576A patent/GB1556234A/en not_active Expired
- 1976-11-05 NL NL7612330A patent/NL183193C/xx not_active IP Right Cessation
- 1976-11-05 BE BE172106A patent/BE848028A/xx not_active IP Right Cessation
- 1976-11-08 JP JP13330976A patent/JPS6035922B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2550227A1 (de) | 1977-05-18 |
| NL7612330A (nl) | 1977-05-10 |
| NL183193B (nl) | 1988-03-16 |
| BE848028A (fr) | 1977-05-05 |
| GB1556234A (en) | 1979-11-21 |
| CA1087339A (en) | 1980-10-07 |
| FR2330706A1 (fr) | 1977-06-03 |
| NL183193C (nl) | 1988-08-16 |
| JPS5258788A (en) | 1977-05-14 |
| IT1068944B (it) | 1985-03-21 |
| FR2330706B1 (cg-RX-API-DMAC10.html) | 1980-08-01 |
| DE2550227C2 (de) | 1984-12-20 |
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