FR2253026A1 - - Google Patents
Info
- Publication number
- FR2253026A1 FR2253026A1 FR7439420A FR7439420A FR2253026A1 FR 2253026 A1 FR2253026 A1 FR 2253026A1 FR 7439420 A FR7439420 A FR 7439420A FR 7439420 A FR7439420 A FR 7439420A FR 2253026 A1 FR2253026 A1 FR 2253026A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
- B01J31/2404—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
- B01J31/2409—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring with more than one complexing phosphine-P atom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
- B01J31/2404—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
- B01J31/2409—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring with more than one complexing phosphine-P atom
- B01J31/2414—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring with more than one complexing phosphine-P atom comprising aliphatic or saturated rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/0006—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table compounds of the platinum group
- C07F15/0073—Rhodium compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/0006—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table compounds of the platinum group
- C07F15/0073—Rhodium compounds
- C07F15/008—Rhodium compounds without a metal-carbon linkage
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/50—Organo-phosphines
- C07F9/5027—Polyphosphines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/60—Reduction reactions, e.g. hydrogenation
- B01J2231/64—Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
- B01J2231/641—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes
- B01J2231/645—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes of C=C or C-C triple bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/821—Ruthenium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/822—Rhodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/827—Iridium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
- B01J31/1845—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing phosphorus
- B01J31/1875—Phosphinites (R2P(OR), their isomeric phosphine oxides (R3P=O) and RO-substitution derivatives thereof)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42146373A | 1973-12-03 | 1973-12-03 | |
| US05/514,987 US4008281A (en) | 1973-12-03 | 1974-10-15 | Asymmetric catalysis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2253026A1 true FR2253026A1 (fr) | 1975-06-27 |
| FR2253026B1 FR2253026B1 (fr) | 1978-05-05 |
Family
ID=27025254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7439420A Expired FR2253026B1 (fr) | 1973-12-03 | 1974-12-02 |
Country Status (23)
| Country | Link |
|---|---|
| US (2) | US4008281A (fr) |
| JP (1) | JPS5410352B2 (fr) |
| BE (1) | BE822848A (fr) |
| BR (1) | BR7410074A (fr) |
| CA (1) | CA1051912A (fr) |
| CH (1) | CH601142A5 (fr) |
| DE (2) | DE2456937C3 (fr) |
| DK (3) | DK139873B (fr) |
| FI (2) | FI60215C (fr) |
| FR (1) | FR2253026B1 (fr) |
| GB (1) | GB1466803A (fr) |
| HU (1) | HU172991B (fr) |
| IL (1) | IL46108A (fr) |
| IN (2) | IN145550B (fr) |
| IT (1) | IT1026717B (fr) |
| MX (3) | MX148257A (fr) |
| NL (1) | NL166692C (fr) |
| NO (2) | NO744324L (fr) |
| PL (1) | PL107722B1 (fr) |
| RO (1) | RO72485A (fr) |
| SE (2) | SE421316B (fr) |
| SU (1) | SU663273A3 (fr) |
| YU (1) | YU318874A (fr) |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4124533A (en) * | 1971-03-08 | 1978-11-07 | Monsanto Company | Metal coordination complexes containing optically active phosphine or arsine ligands |
| SU731892A3 (ru) * | 1974-10-15 | 1980-04-30 | Монсанто Компани (Фирма) | Способ получени оптических изомеров -замещенных -ациламидопропионовых кислот |
| US4515731A (en) * | 1975-08-25 | 1985-05-07 | Monsanto Company | Asymmetric catalysis |
| US4123465A (en) * | 1975-10-16 | 1978-10-31 | Hoffmann-La Roche Inc. | Chiral tertiary phosphines |
| US4166824A (en) * | 1977-06-14 | 1979-09-04 | American Cyanamid Company | Chiral rhodium-diphosphine catalyst capable of catalytic reduction of a tetramisole precursor to give a significant excess of the desired S-(-)isomer, levamisole |
| US4120870A (en) * | 1977-07-18 | 1978-10-17 | Hoffmann-La Roche Inc. | Metal phosphine complex |
| IT1087963B (it) * | 1977-10-17 | 1985-06-04 | Snam Progetti | Idrogenazione asimmetrica di olefine prochirali mediante complessi di metalli di transazione immobilizzati in minerali argillosi. |
| ZA793744B (en) * | 1978-07-24 | 1981-02-25 | Merck & Co Inc | Z-2-acylamino-3-monsosubstituted propenoates |
| US5147868A (en) * | 1978-07-24 | 1992-09-15 | Merck & Co., Inc. | Thienamycin renal peptidase inhibitors |
| US4616038A (en) * | 1978-07-24 | 1986-10-07 | Merck & Co., Inc. | Combination of thienamycin-type antibiotics with dipeptidase inhibitors |
| US4880793A (en) * | 1978-07-24 | 1989-11-14 | Merck & Co., Inc. | Combination of thienamycin-type antibiotics with dipeptidase inhibitors |
| US4302401A (en) * | 1980-01-23 | 1981-11-24 | Exxon Research & Engineering Co. | Tetraalkyl phosphonium substituted phosphine and amine transition metal complexes |
| GB2086906B (en) * | 1979-02-12 | 1983-08-17 | Exxon Research Engineering Co | Carbonylation process and novel transition metal catalysts |
| US4204997A (en) * | 1979-03-19 | 1980-05-27 | Monsanto Company | Asymmetric amination of 1,3-dienes |
| US4539208A (en) * | 1980-09-17 | 1985-09-03 | Merck & Co., Inc. | Combination of thienamycin-type antibiotics with dipeptidase inhibitors |
| DE3000445C2 (de) * | 1980-01-08 | 1982-12-02 | Degussa Ag, 6000 Frankfurt | Rhodiumkomplexe und deren Verwendung |
| US4473505A (en) * | 1980-02-12 | 1984-09-25 | Exxon Research And Engineering Co. | Phosphine and phosphonium compounds and catalysts |
| US4331818A (en) * | 1980-03-19 | 1982-05-25 | The Procter & Gamble Company | Chiral phospine ligand |
| DE3018388A1 (de) * | 1980-05-14 | 1981-11-19 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von optisch aktiven verbindungen und deren verwendung zur herstellung von vitamin e |
| DE3039053C2 (de) * | 1980-10-16 | 1984-05-24 | Degussa Ag, 6000 Frankfurt | Verfahren zur Herstellung von Dipeptiden |
| US4376870A (en) * | 1980-12-05 | 1983-03-15 | Monsanto Company | Optically active phosphine compounds |
| US4343741A (en) * | 1981-04-22 | 1982-08-10 | Hoffmann-La Roche Inc. | Chiral phosphines |
| US4393240A (en) * | 1981-07-06 | 1983-07-12 | Stille John K | Optically active phosphines |
| US4359596A (en) * | 1981-08-03 | 1982-11-16 | Exxon Research And Engineering Co. | Liquid salt extraction of aromatics from process feed streams |
| US4422975A (en) * | 1981-08-03 | 1983-12-27 | Exxon Research And Engineering Co. | Organic salt compositions in extraction processes |
| US4440634A (en) * | 1981-08-03 | 1984-04-03 | Exxon Research And Engineering Co. | Organic salt compositions in extraction processes |
| JPS5849179A (ja) * | 1981-09-17 | 1983-03-23 | ブラザー工業株式会社 | ２本針ミシンの制御装置 |
| JPS6061587A (ja) * | 1983-09-16 | 1985-04-09 | Takasago Corp | ロジウム−ホスフイン錯体 |
| US4857549A (en) * | 1984-02-01 | 1989-08-15 | Smithkline Beckman Corporation | Antitumor compounds |
| US4766226A (en) * | 1984-02-01 | 1988-08-23 | Smithkline Beckman Corporation | Antitumor pharmaceutical compositions and methods for treating tumors employing α,ω-bis(disubstitutedphosphino)hydrocarbon derivatives or [α, ω-bis(disubstitutedphosphino)hydrocarbon] di |
| JPS6163690A (ja) * | 1984-09-04 | 1986-04-01 | Takasago Corp | ルテニウム−ホスフイン錯体 |
| US5011995A (en) * | 1987-07-28 | 1991-04-30 | Ciba-Geigy Corporation | Process for the preparation of optically active secondary amines |
| US4912221A (en) * | 1988-10-27 | 1990-03-27 | Occidental Chemical Corporation | Chiral 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid and precursors and preparation thereof |
| JPH0623150B2 (ja) * | 1988-11-15 | 1994-03-30 | 高砂香料工業株式会社 | 光学活性３−ヒドロキシブタン酸類の製造方法 |
| US5198561A (en) * | 1989-06-22 | 1993-03-30 | Monsanto Company | Ruthenium-BINAP asymmetric hydrogenation catalyst |
| US5202474A (en) * | 1989-06-22 | 1993-04-13 | Monsanto Company | Asymmetric catalytic hydrogenation of α-arylpropenoic acids |
| US5233084A (en) * | 1989-06-22 | 1993-08-03 | Monsanto Company | Method for preparing α-arylpropionic acids |
| DK0512415T3 (da) * | 1991-05-03 | 1998-03-09 | Hoechst Ag | Fremgangsmåde til enantioselektiv syntese af 2(R)-benzylravsyremonoamidderivater |
| US5744655A (en) * | 1996-06-19 | 1998-04-28 | The Dow Chemical Company | Process to make 2,3-dihalopropanols |
| GB9823716D0 (en) * | 1998-10-29 | 1998-12-23 | Isis Innovation | Diphosphines |
| JP2972887B1 (ja) * | 1998-10-29 | 1999-11-08 | 千葉大学長 | 光学活性ビスホスフィノメタン並びにそれらのロジウム又は銅錯体を用いる不斉合成 |
| AU2709900A (en) | 1998-12-18 | 2000-07-03 | Dow Chemical Company, The | Process for making 2,3-dihalopropanols |
| GB0004297D0 (en) | 2000-02-23 | 2000-04-12 | Ucb Sa | 2-oxo-1 pyrrolidine derivatives process for preparing them and their uses |
| FR2887253A1 (fr) * | 2005-06-20 | 2006-12-22 | Phosphoenix Sarl | Nouvelles arylphosphines p chirales ortho-fonctionnalisees et derives: leur preparation et utilisation en catalyse asymetrique |
| GB0707379D0 (en) * | 2007-03-28 | 2007-05-23 | Celtic Catalysts Ltd | Chiral phosphorus compounds |
| EP3801897A4 (fr) * | 2018-06-08 | 2022-06-08 | Board of Supervisors of Louisiana State University and Agricultural and Mechanical College | Compositions de catalyseur d'hydroformylation et leurs méthodes d'utilisation |
| CN110396072B (zh) * | 2019-09-02 | 2022-09-13 | 上海欣海健伟实业有限公司 | (s)-3-羟基四氢呋喃的制备方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE615636A (fr) * | 1961-03-29 | 1900-01-01 | ||
| US3145227A (en) * | 1961-06-14 | 1964-08-18 | American Cyanamid Co | Organic phosphine oxides and methods of preparing same |
| US3849480A (en) * | 1968-09-09 | 1974-11-19 | Monsanto Co | Catalytic asymmetric hydrogenation |
| US3657298A (en) * | 1970-01-06 | 1972-04-18 | Pressure Chemical Co | Arsenic and phosphorus containing polydentates |
| NL155004B (nl) | 1970-05-11 | 1977-11-15 | Monsanto Co | Werkwijze voor het asymmetrisch hydrogeneren van een eventieel beta-gesubstitueerd alfa-acylaminoacrylzuur en/of een zout daarvan, alsmede werkwijze voor de bereiding van een katalysatoroplossing. |
| FR2116905A5 (fr) * | 1970-12-10 | 1972-07-21 | Inst Francais Du Petrole | Nouveaux coordinats bidentes,leur fabrication et leurs applications |
| US4124533A (en) * | 1971-03-08 | 1978-11-07 | Monsanto Company | Metal coordination complexes containing optically active phosphine or arsine ligands |
| US3780112A (en) * | 1972-08-09 | 1973-12-18 | Union Carbide Corp | Substituted ethylene bis(phosphine oxides) |
| FR2230654B1 (fr) * | 1973-05-21 | 1975-11-21 | Rhone Poulenc Ind |
-
1974
- 1974-10-15 US US05/514,987 patent/US4008281A/en not_active Expired - Lifetime
- 1974-11-22 IL IL7446108A patent/IL46108A/xx unknown
- 1974-11-29 NL NL7415583.A patent/NL166692C/xx not_active IP Right Cessation
- 1974-12-02 MX MX170590A patent/MX148257A/es unknown
- 1974-12-02 NO NO744324A patent/NO744324L/no unknown
- 1974-12-02 SE SE7415029A patent/SE421316B/xx unknown
- 1974-12-02 DK DK625274AA patent/DK139873B/da not_active IP Right Cessation
- 1974-12-02 CH CH1593974A patent/CH601142A5/xx not_active IP Right Cessation
- 1974-12-02 BR BR10074/74A patent/BR7410074A/pt unknown
- 1974-12-02 MX MX742888U patent/MX5144E/es unknown
- 1974-12-02 DE DE2456937A patent/DE2456937C3/de not_active Expired
- 1974-12-02 IT IT3008774A patent/IT1026717B/it active
- 1974-12-02 CA CA215,181A patent/CA1051912A/fr not_active Expired
- 1974-12-02 JP JP13708774A patent/JPS5410352B2/ja not_active Expired
- 1974-12-02 HU HU74MO00000927A patent/HU172991B/hu unknown
- 1974-12-02 BE BE151066A patent/BE822848A/fr not_active IP Right Cessation
- 1974-12-02 PL PL1974176129A patent/PL107722B1/pl unknown
- 1974-12-02 FR FR7439420A patent/FR2253026B1/fr not_active Expired
- 1974-12-02 FI FI3487/74A patent/FI60215C/fi active
- 1974-12-02 YU YU03188/74A patent/YU318874A/xx unknown
- 1974-12-02 RO RO7480666A patent/RO72485A/fr unknown
- 1974-12-02 DE DE2463010A patent/DE2463010C2/de not_active Expired
- 1974-12-02 MX MX170589A patent/MX149399A/es unknown
- 1974-12-02 GB GB5201774A patent/GB1466803A/en not_active Expired
-
1975
- 1975-08-21 SU SU752163234A patent/SU663273A3/ru active
-
1976
- 1976-06-03 DK DK245376A patent/DK245376A/da not_active Application Discontinuation
- 1976-06-03 DK DK245476A patent/DK245476A/da not_active Application Discontinuation
-
1977
- 1977-06-27 IN IN958/CAL/77A patent/IN145550B/en unknown
- 1977-06-27 IN IN957/CAL/77A patent/IN145549B/en unknown
-
1978
- 1978-07-31 US US05/929,635 patent/US4220590A/en not_active Expired - Lifetime
-
1980
- 1980-07-03 NO NO802008A patent/NO802008L/no unknown
- 1980-07-17 FI FI802271A patent/FI63216C/fi not_active IP Right Cessation
-
1981
- 1981-08-21 SE SE8104949A patent/SE8104949L/sv not_active Application Discontinuation