GB1368431A - Rhodium complex and methods of preparing the complex - Google Patents
Rhodium complex and methods of preparing the complexInfo
- Publication number
- GB1368431A GB1368431A GB3543770A GB3543770A GB1368431A GB 1368431 A GB1368431 A GB 1368431A GB 3543770 A GB3543770 A GB 3543770A GB 3543770 A GB3543770 A GB 3543770A GB 1368431 A GB1368431 A GB 1368431A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pph
- solution
- complex
- rhodium
- chloride
- 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
- 239000010948 rhodium Substances 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052703 rhodium Inorganic materials 0.000 title 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 9
- 101100030361 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) pph-3 gene Proteins 0.000 abstract 6
- 239000003446 ligand Substances 0.000 abstract 6
- -1 rhodium (II) carboxylate Chemical class 0.000 abstract 4
- 230000000087 stabilizing effect Effects 0.000 abstract 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 abstract 3
- 239000002253 acid Substances 0.000 abstract 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 abstract 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 abstract 2
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 abstract 2
- 229910021626 Tin(II) chloride Inorganic materials 0.000 abstract 2
- 150000001450 anions Chemical class 0.000 abstract 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 abstract 2
- 239000011541 reaction mixture Substances 0.000 abstract 2
- 235000011150 stannous chloride Nutrition 0.000 abstract 2
- AXZWODMDQAVCJE-UHFFFAOYSA-L tin(II) chloride (anhydrous) Chemical compound [Cl-].[Cl-].[Sn+2] AXZWODMDQAVCJE-UHFFFAOYSA-L 0.000 abstract 2
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 abstract 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- 229910013553 LiNO Inorganic materials 0.000 abstract 1
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 abstract 1
- OKIZCWYLBDKLSU-UHFFFAOYSA-M N,N,N-Trimethylmethanaminium chloride Chemical compound [Cl-].C[N+](C)(C)C OKIZCWYLBDKLSU-UHFFFAOYSA-M 0.000 abstract 1
- 229910002651 NO3 Inorganic materials 0.000 abstract 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract 1
- ATTZFSUZZUNHBP-UHFFFAOYSA-N Piperonyl sulfoxide Chemical compound CCCCCCCCS(=O)C(C)CC1=CC=C2OCOC2=C1 ATTZFSUZZUNHBP-UHFFFAOYSA-N 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 229910000074 antimony hydride Inorganic materials 0.000 abstract 1
- RBFQJDQYXXHULB-UHFFFAOYSA-N arsane Chemical compound [AsH3] RBFQJDQYXXHULB-UHFFFAOYSA-N 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 abstract 1
- 150000007942 carboxylates Chemical class 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 abstract 1
- 229910052732 germanium Inorganic materials 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 150000002825 nitriles Chemical class 0.000 abstract 1
- 150000002894 organic compounds Chemical class 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 abstract 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
- 150000003283 rhodium Chemical class 0.000 abstract 1
- OUULRIDHGPHMNQ-UHFFFAOYSA-N stibane Chemical compound [SbH3] OUULRIDHGPHMNQ-UHFFFAOYSA-N 0.000 abstract 1
- 150000003512 tertiary amines Chemical class 0.000 abstract 1
- BPLUKJNHPBNVQL-UHFFFAOYSA-N triphenylarsine Chemical compound C1=CC=CC=C1[As](C=1C=CC=CC=1)C1=CC=CC=C1 BPLUKJNHPBNVQL-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- 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
-
- 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
- B01J31/1895—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 arsenic or antimony
-
- 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
- B01J31/20—Carbonyls
-
- 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
- B01J31/22—Organic complexes
- B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
- B01J31/2208—Oxygen, e.g. acetylacetonates
- B01J31/2226—Anionic ligands, i.e. the overall ligand carries at least one formal negative charge
-
- 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
-
- 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
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/28—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of the platinum group metals, iron group metals or copper
-
- 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
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/02—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation
- C07C5/03—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation of non-aromatic carbon-to-carbon double bonds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/02—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation
- C07C5/08—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation of carbon-to-carbon triple bonds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
- C07C5/2206—Catalytic processes not covered by C07C5/23 - C07C5/31
- C07C5/2266—Catalytic processes not covered by C07C5/23 - C07C5/31 with hydrides or organic compounds
- C07C5/2293—Catalytic processes not covered by C07C5/23 - C07C5/31 with hydrides or organic compounds containing phosphines, arsines, stibines, or bismuthines
-
- 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
- B01J2531/822—Rhodium
-
- 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
- C07C2531/24—Phosphines
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S585/00—Chemistry of hydrocarbon compounds
- Y10S585/8995—Catalyst and recycle considerations
- Y10S585/906—Catalyst preservation or manufacture, e.g. activation before use
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3543770A GB1368431A (en) | 1970-07-22 | 1970-07-22 | Rhodium complex and methods of preparing the complex |
| US00164495A US3794671A (en) | 1970-07-22 | 1971-07-20 | Catalysts and compositions therefor |
| FR7126496A FR2104793B1 (enExample) | 1970-07-22 | 1971-07-20 | |
| DE2136470A DE2136470C3 (de) | 1970-07-22 | 1971-07-21 | Rhodium(I)-Koordinationskomplex-Katalysator |
| BE770310A BE770310A (fr) | 1970-07-22 | 1971-07-22 | Composes a base de rhodium |
| NL7110076A NL7110076A (enExample) | 1970-07-22 | 1971-07-22 | |
| JP5429171A JPS579851B1 (enExample) | 1970-07-22 | 1971-07-22 | |
| JP56088321A JPS5919734B2 (ja) | 1970-07-22 | 1981-06-10 | ロジウム（ｉ）配位錯体からなる触媒の製法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3543770A GB1368431A (en) | 1970-07-22 | 1970-07-22 | Rhodium complex and methods of preparing the complex |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1368431A true GB1368431A (en) | 1974-09-25 |
Family
ID=10377714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3543770A Expired GB1368431A (en) | 1970-07-22 | 1970-07-22 | Rhodium complex and methods of preparing the complex |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3794671A (enExample) |
| JP (2) | JPS579851B1 (enExample) |
| BE (1) | BE770310A (enExample) |
| DE (1) | DE2136470C3 (enExample) |
| FR (1) | FR2104793B1 (enExample) |
| GB (1) | GB1368431A (enExample) |
| NL (1) | NL7110076A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4652657A (en) * | 1984-04-19 | 1987-03-24 | Hoffmann-La Roche Inc. | Chiral rhodium-diphosphine complexes |
| US5142063A (en) * | 1985-10-18 | 1992-08-25 | Hoffmann-La Roche, Inc. | Chiral rhodium-diphosphine complexes |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3978026A (en) * | 1972-02-18 | 1976-08-31 | Aerojet-General Corporation | Catalysts of the oxirane-anhydride reaction |
| US3992424A (en) * | 1974-02-21 | 1976-11-16 | Massachusetts Institute Of Technology | Trifluoromethyl-substituted compounds |
| AR208347A1 (es) * | 1974-12-19 | 1976-12-20 | Pfizer | Mejora en la produccion de alfa-6-deoxitetraciclinas |
| US4001321A (en) * | 1975-06-26 | 1977-01-04 | Pfizer Inc. | Preparation of α-6-deoxytetracyclines |
| US4052461A (en) * | 1975-02-03 | 1977-10-04 | Monsanto Company | Hydroformylation process |
| FR2408388A1 (fr) * | 1977-11-10 | 1979-06-08 | Ugine Kuhlmann | Complexe binucleaire du rhodium en tant que catalyseur d'hydroformylation et d'hydrogenation |
| US4288634A (en) * | 1978-04-10 | 1981-09-08 | Toa Nenryo Kogyo Kabushiki Kaisha | Novel rhodium compounds and process for producing the same |
| US4556720A (en) * | 1983-10-12 | 1985-12-03 | Minnesota Mining And Manufacturing Company | Fluorochemical rhodium compounds |
| US4625069A (en) * | 1983-10-12 | 1986-11-25 | Minnesota Mining And Manufacturing | Fluorochemical rhodium compounds |
| JPS62138857A (ja) * | 1985-12-12 | 1987-06-22 | Dainichi Color & Chem Mfg Co Ltd | 画像記録用着色組成物 |
| IT1240737B (it) * | 1990-04-02 | 1993-12-17 | Snam Progetti | Sistema catalitico e procedimento per la produzione selettiva di isoprenil-alchileteri da isoprene |
| JPH0465277A (ja) * | 1990-07-06 | 1992-03-02 | Dainichiseika Color & Chem Mfg Co Ltd | インクリボン |
| JPH0465278A (ja) * | 1990-07-06 | 1992-03-02 | Dainichiseika Color & Chem Mfg Co Ltd | インクリボン |
| CZ283697A3 (cs) * | 1996-09-11 | 1998-04-15 | Mitsubishi Chemical Corporation | Způsob přípravy roztoku komplexu rhodia a jeho použití |
| CN111718253B (zh) * | 2020-06-24 | 2022-12-13 | 上海沃凯生物技术有限公司 | 一种辛酸铑二聚体的制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1121642A (en) * | 1965-02-18 | 1968-07-31 | Ici Ltd | New organic rhodium complexes and uses thereof |
| NO116245B (enExample) * | 1966-09-24 | 1969-02-24 | Sentralinst For Ind Forskning | |
| FR1545065A (fr) * | 1966-11-21 | 1968-11-08 | Du Pont | Procédé de préparation d'adiponitrile par hydrogénation catalytique de 1, 4-dicyanobutènes |
| GB1224740A (en) * | 1967-11-01 | 1971-03-10 | British Petroleum Co | Oxo process |
-
1970
- 1970-07-22 GB GB3543770A patent/GB1368431A/en not_active Expired
-
1971
- 1971-07-20 FR FR7126496A patent/FR2104793B1/fr not_active Expired
- 1971-07-20 US US00164495A patent/US3794671A/en not_active Expired - Lifetime
- 1971-07-21 DE DE2136470A patent/DE2136470C3/de not_active Expired
- 1971-07-22 JP JP5429171A patent/JPS579851B1/ja active Pending
- 1971-07-22 BE BE770310A patent/BE770310A/xx not_active IP Right Cessation
- 1971-07-22 NL NL7110076A patent/NL7110076A/xx unknown
-
1981
- 1981-06-10 JP JP56088321A patent/JPS5919734B2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4652657A (en) * | 1984-04-19 | 1987-03-24 | Hoffmann-La Roche Inc. | Chiral rhodium-diphosphine complexes |
| US5142063A (en) * | 1985-10-18 | 1992-08-25 | Hoffmann-La Roche, Inc. | Chiral rhodium-diphosphine complexes |
Also Published As
| Publication number | Publication date |
|---|---|
| BE770310A (fr) | 1971-12-01 |
| JPS5727138A (en) | 1982-02-13 |
| FR2104793B1 (enExample) | 1976-03-19 |
| DE2136470B2 (de) | 1979-05-23 |
| DE2136470C3 (de) | 1980-01-17 |
| US3794671A (en) | 1974-02-26 |
| DE2136470A1 (de) | 1972-02-10 |
| NL7110076A (enExample) | 1972-01-25 |
| FR2104793A1 (enExample) | 1972-04-21 |
| JPS579851B1 (enExample) | 1982-02-23 |
| JPS5919734B2 (ja) | 1984-05-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |