ES480574A1 - Procedimiento para preparar una composicion catalitica com- pleja que contiene una resina, un metal de transicion y un- compuesto organico de enlace. - Google Patents
Procedimiento para preparar una composicion catalitica com- pleja que contiene una resina, un metal de transicion y un- compuesto organico de enlace.Info
- Publication number
- ES480574A1 ES480574A1 ES480574A ES480574A ES480574A1 ES 480574 A1 ES480574 A1 ES 480574A1 ES 480574 A ES480574 A ES 480574A ES 480574 A ES480574 A ES 480574A ES 480574 A1 ES480574 A1 ES 480574A1
- Authority
- ES
- Spain
- Prior art keywords
- composition
- resin
- ligand
- catalyst
- processes
- 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
- 239000003054 catalyst Substances 0.000 title 1
- 229910052723 transition metal Inorganic materials 0.000 title 1
- 239000002184 metal Substances 0.000 abstract 2
- 239000011347 resin Substances 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 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 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000003456 ion exchange resin Substances 0.000 abstract 1
- 229920003303 ion-exchange polymer Polymers 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 1
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
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
- B01J31/08—Ion-exchange resins
-
- 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
- B01J31/165—Polymer immobilised coordination complexes, e.g. organometallic complexes
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/02—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
- C07C1/04—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen
- C07C1/06—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen in the presence of organic compounds, e.g. hydrocarbons
- C07C1/063—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen in the presence of organic compounds, e.g. hydrocarbons the organic compound being the catalyst or a part of the catalyst system
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
- C07C45/50—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C6/00—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions
- C07C6/02—Metathesis reactions at an unsaturated carbon-to-carbon bond
- C07C6/04—Metathesis reactions at an unsaturated carbon-to-carbon bond at a carbon-to-carbon double bond
-
- 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
- B01J2231/20—Olefin oligomerisation or telomerisation
-
- 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
- B01J2231/30—Addition reactions at carbon centres, i.e. to either C-C or C-X multiple bonds
- B01J2231/32—Addition reactions to C=C or C-C triple bonds
- B01J2231/321—Hydroformylation, metalformylation, carbonylation or hydroaminomethylation
-
- 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
- B01J2531/824—Palladium
-
- 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
- B01J2531/828—Platinum
-
- 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
- B01J2531/84—Metals of the iron group
- B01J2531/845—Cobalt
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2531/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- C07C2531/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- C07C2531/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
- C07C2531/08—Ion-exchange resins
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2531/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- C07C2531/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- C07C2531/22—Organic complexes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Procedimiento para preparar una composición catalítica compleja que contiene una resina, un metal de transición y un compuesto orgánico de enlace, en el que (a) la resina es una resina de cambio iónico, (b) el metal de transición está unida directamente a la resina de cambio iónico por coordinación o por vía iónica, y © el compuesto orgánico de enlace tiene al menos un resto unido por coordinación al metal y tiene además por lo menos un resto que está unido por vía iónica a la resina de cambio iónico, caracterizado porque la resina de cambio iónico se hace reaccionar con un compuesto de metal de transición, y producto de reacción se hace reaccionar adicionalmente con el compuesto orgánico de enlace.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/905,813 US4179402A (en) | 1978-05-15 | 1978-05-15 | Resin-metal-ligand composition |
Publications (1)
Publication Number | Publication Date |
---|---|
ES480574A1 true ES480574A1 (es) | 1980-07-16 |
Family
ID=25421516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES480574A Expired ES480574A1 (es) | 1978-05-15 | 1979-05-14 | Procedimiento para preparar una composicion catalitica com- pleja que contiene una resina, un metal de transicion y un- compuesto organico de enlace. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4179402A (es) |
EP (1) | EP0005569B1 (es) |
JP (1) | JPS54149392A (es) |
BR (1) | BR7902937A (es) |
CA (1) | CA1131608A (es) |
CS (1) | CS225815B2 (es) |
DD (1) | DD155957A5 (es) |
DE (1) | DE2961215D1 (es) |
ES (1) | ES480574A1 (es) |
PL (1) | PL118981B1 (es) |
YU (1) | YU112779A (es) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4328125A (en) * | 1979-05-14 | 1982-05-04 | University Of Illinois Foundation | Heterogeneous anionic transition metal catalysts |
NL8003059A (nl) * | 1980-05-28 | 1982-01-04 | Stamicarbon | Werkwijze en katalysator voor het uitvoeren van hydroformyleringsreacties. |
US4473711A (en) * | 1981-08-06 | 1984-09-25 | Union Carbide Corporation | Liquid-phase process for oxidation of tetralin |
USRE33080E (en) * | 1981-08-31 | 1989-10-03 | Exxon Research And Engineering Company | Adamantane catalyzed paraffin isomerization |
US4414409A (en) * | 1981-12-21 | 1983-11-08 | E. I. Du Pont De Nemours & Company | Palladium sulfonate catalyst systems for carbonylation of olefins |
FR2523869B1 (fr) * | 1982-03-23 | 1986-11-07 | Centre Nat Rech Scient | Nouveau catalyseur d'oligomerisation a base de nickel monovalent ni+ sur support de silice et procede d'oligomerisation en presence de ce catalyseur |
FR2563750B1 (fr) * | 1984-05-04 | 1993-10-01 | Charbonnages Ste Chimique | Procede d'hydrocondensation du monoxyde de carbone |
FR2566289B1 (fr) * | 1984-06-25 | 1988-07-29 | Charbonnages Ste Chimique | Catalyseur et procede de conversion du methanol |
US4596831A (en) * | 1984-07-17 | 1986-06-24 | The Goodyear Tire & Rubber Company | Polymer bound fischer-tropsch catalysts |
US5036031A (en) * | 1989-05-16 | 1991-07-30 | Patterson James A | Metal plated microsphere catalyst |
US5086026A (en) * | 1990-01-08 | 1992-02-04 | Ford Motor Company | Reduction catalyst with modified rhodium structure |
US5081092A (en) * | 1990-01-08 | 1992-01-14 | Ford Motor Company | Oxidation catalyst with modified platinum structure |
US5260499A (en) * | 1992-01-14 | 1993-11-09 | Phillips Petroleum Company | Ethylene dimerization and catalyst therefor |
US5166114A (en) * | 1992-01-14 | 1992-11-24 | Phillips Petroleum Company | Ethylene dimerization and catalyst therefor |
US6024850A (en) * | 1993-10-27 | 2000-02-15 | Halox Technologies Corporation | Modified ion exchange materials |
US6402916B1 (en) | 1993-10-27 | 2002-06-11 | Richard L. Sampson | Electrolytic process and apparatus controlled regeneration of modified ion exchangers to purify aqueous solutions and adjust ph |
US5419816A (en) * | 1993-10-27 | 1995-05-30 | Halox Technologies Corporation | Electrolytic process and apparatus for the controlled oxidation of inorganic and organic species in aqueous solutions |
GB2315270B (en) * | 1993-10-27 | 1998-04-29 | Halox Tech Corp | Ion exchange resin for the controlled oxidation or reduction of inorganic and organic species in aqueous solutions |
US5874214A (en) * | 1995-04-25 | 1999-02-23 | Irori | Remotely programmable matrices with memories |
US5751629A (en) * | 1995-04-25 | 1998-05-12 | Irori | Remotely programmable matrices with memories |
US6329139B1 (en) | 1995-04-25 | 2001-12-11 | Discovery Partners International | Automated sorting system for matrices with memory |
US6416714B1 (en) * | 1995-04-25 | 2002-07-09 | Discovery Partners International, Inc. | Remotely programmable matrices with memories |
US5741462A (en) * | 1995-04-25 | 1998-04-21 | Irori | Remotely programmable matrices with memories |
US6017496A (en) * | 1995-06-07 | 2000-01-25 | Irori | Matrices with memories and uses thereof |
US6331273B1 (en) | 1995-04-25 | 2001-12-18 | Discovery Partners International | Remotely programmable matrices with memories |
US5580838A (en) * | 1995-06-05 | 1996-12-03 | Patterson; James A. | Uniformly plated microsphere catalyst |
US6756411B2 (en) | 1995-06-29 | 2004-06-29 | Sasol Technology (Proprietary) Limited | Process for producing oxygenated products |
CN1136470A (zh) * | 1996-01-08 | 1996-11-27 | 焦佩玉 | 一种酯化反应催化剂及其制备方法 |
US5876995A (en) * | 1996-02-06 | 1999-03-02 | Bryan; Bruce | Bioluminescent novelty items |
US6247995B1 (en) | 1996-02-06 | 2001-06-19 | Bruce Bryan | Bioluminescent novelty items |
US6416960B1 (en) | 1996-08-08 | 2002-07-09 | Prolume, Ltd. | Detection and visualization of neoplastic tissues and other tissues |
US6458547B1 (en) | 1996-12-12 | 2002-10-01 | Prolume, Ltd. | Apparatus and method for detecting and identifying infectious agents |
EP1925320A3 (en) | 1998-03-27 | 2008-09-03 | Prolume, Ltd. | Luciferases, fluorescent proteins, nucleic acids encoding the luciferases and fluorescent proteins and the use thereof in diagnostics |
US6723564B2 (en) | 1998-05-07 | 2004-04-20 | Sequenom, Inc. | IR MALDI mass spectrometry of nucleic acids using liquid matrices |
GB9816157D0 (en) * | 1998-07-25 | 1998-09-23 | Univ St Andrews | Catalyst |
WO2001062968A2 (en) * | 2000-02-25 | 2001-08-30 | General Atomics | Mutant nucleic binding enzymes and use thereof in diagnostic, detection and purification methods |
US6610504B1 (en) | 2000-04-10 | 2003-08-26 | General Atomics | Methods of determining SAM-dependent methyltransferase activity using a mutant SAH hydrolase |
US6613808B2 (en) * | 2000-06-12 | 2003-09-02 | Conoco Inc. | Fischer-Tropsch processes and catalysts using polyacrylate matrix structures |
WO2003062402A2 (en) * | 2002-01-24 | 2003-07-31 | Pointilliste, Inc. | Use of collections of binding sites for sample profiling and other applications |
US7384760B2 (en) * | 2004-04-30 | 2008-06-10 | General Atomics | Methods for assaying inhibitors of S-adenosylhomocysteine (SAH) hydrolase and S-adenosylmethionine (SAM)-dependent methyltransferase |
US7279088B2 (en) * | 2005-10-27 | 2007-10-09 | Patterson James A | Catalytic electrode, cell, system and process for storing hydrogen/deuterium |
AU2012223494B2 (en) | 2011-02-28 | 2017-04-06 | Dsm Nutritional Products, Llc | Polymeric acid catalysts and uses thereof |
US20120289617A1 (en) * | 2011-05-10 | 2012-11-15 | Saudi Arabian Oil Company | Hybrid Catalyst for Olefin Metathesis |
CZ305277B6 (cs) * | 2011-12-08 | 2015-07-15 | Masarykova Univerzita | Katalyzátor pro chemické syntézy na bázi komplexu kovu a způsob jeho přípravy |
US9238845B2 (en) | 2012-08-24 | 2016-01-19 | Midori Usa, Inc. | Methods of producing sugars from biomass feedstocks |
JP6210828B2 (ja) * | 2013-10-04 | 2017-10-11 | 株式会社Adeka | 薄膜形成用原料、薄膜の製造方法 |
CN114957143B (zh) * | 2022-06-20 | 2024-02-06 | 南通江天化学股份有限公司 | 一种1,3,5-三(羟乙基)六氢均三嗪的制备方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1238703A (es) * | 1967-10-02 | 1971-07-07 | ||
US3847997A (en) * | 1969-06-12 | 1974-11-12 | Phillips Petroleum Co | Hydroformylation process and catalyst |
US3872026A (en) * | 1969-12-11 | 1975-03-18 | Phillips Petroleum Co | Nickel complex catalyst compositions |
GB1342876A (en) * | 1969-12-19 | 1974-01-03 | British Petroleum Co | Catalyst supports and transition metal catalysts supported thereon |
US4098727A (en) * | 1970-07-23 | 1978-07-04 | Mobil Oil Corporation | Insoluble polymers having functional groups containing chemically bonded Group VIII metal |
US4072720A (en) * | 1971-01-19 | 1978-02-07 | Mobil Oil Corporation | Production of alcohol |
US3907852A (en) * | 1972-06-23 | 1975-09-23 | Exxon Research Engineering Co | Silylhydrocarbyl phosphines and related compounds |
CA978926A (en) * | 1972-07-19 | 1975-12-02 | Graeme G. Strathdee | Anchored homogeneous-type catalysts for h-d exchange |
US4111856A (en) * | 1972-11-15 | 1978-09-05 | Mobil Oil Corporation | Insoluble resin-metal compound complex prepared by contacting weak base ion exchange resin with solution of metal-ligand |
DE2326489A1 (de) * | 1973-05-24 | 1974-12-12 | Ernst Prof Dr Bayer | Verfahren zur katalyse unter verwendung von loeslichen metallverbindungen synthetischer polymerer |
US4053534A (en) * | 1974-02-19 | 1977-10-11 | Mobil Oil Corporation | Organic compound conversion |
US3980583A (en) * | 1974-02-19 | 1976-09-14 | Mobil Oil Corporation | Complexed metals bonded to inorganic oxides |
US3998864A (en) * | 1975-02-03 | 1976-12-21 | Standard Oil Company (Indiana) | Heterogeneous catalyst for the hydroformylation of olegins |
US4045493A (en) * | 1975-02-03 | 1977-08-30 | Standard Oil Company (Indiana) | Hydroformylation of olefins |
-
1978
- 1978-05-15 US US05/905,813 patent/US4179402A/en not_active Expired - Lifetime
-
1979
- 1979-04-14 JP JP4596179A patent/JPS54149392A/ja active Granted
- 1979-04-26 CA CA326,391A patent/CA1131608A/en not_active Expired
- 1979-05-07 EP EP79200224A patent/EP0005569B1/en not_active Expired
- 1979-05-07 DE DE7979200224T patent/DE2961215D1/de not_active Expired
- 1979-05-14 ES ES480574A patent/ES480574A1/es not_active Expired
- 1979-05-14 DD DD79212898A patent/DD155957A5/de unknown
- 1979-05-14 YU YU01127/79A patent/YU112779A/xx unknown
- 1979-05-14 BR BR7902937A patent/BR7902937A/pt not_active IP Right Cessation
- 1979-05-14 PL PL1979215564A patent/PL118981B1/pl unknown
- 1979-05-14 CS CS793285A patent/CS225815B2/cs unknown
Also Published As
Publication number | Publication date |
---|---|
YU112779A (en) | 1983-02-28 |
JPS6315017B2 (es) | 1988-04-02 |
US4179402A (en) | 1979-12-18 |
JPS54149392A (en) | 1979-11-22 |
CS225815B2 (en) | 1984-02-13 |
CA1131608A (en) | 1982-09-14 |
EP0005569A1 (en) | 1979-11-28 |
PL118981B1 (en) | 1981-11-30 |
EP0005569B1 (en) | 1981-11-04 |
PL215564A1 (es) | 1980-02-25 |
DE2961215D1 (en) | 1982-01-14 |
BR7902937A (pt) | 1979-12-04 |
DD155957A5 (de) | 1982-07-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20000601 |