GB1569714A - Nickel-rhenium hydrogenation catalyst and methods of preparing same and using same - Google Patents
Nickel-rhenium hydrogenation catalyst and methods of preparing same and using same Download PDFInfo
- Publication number
- GB1569714A GB1569714A GB376/77A GB37677A GB1569714A GB 1569714 A GB1569714 A GB 1569714A GB 376/77 A GB376/77 A GB 376/77A GB 37677 A GB37677 A GB 37677A GB 1569714 A GB1569714 A GB 1569714A
- Authority
- GB
- United Kingdom
- Prior art keywords
- nickel
- rhenium
- composition
- catalyst
- support
- 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
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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/889—Manganese, technetium or rhenium
- B01J23/8896—Rhenium
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/04—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups
- C07C209/14—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of hydroxy groups or of etherified or esterified hydroxy groups
- C07C209/16—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of hydroxy groups or of etherified or esterified hydroxy groups with formation of amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/24—Preparation of compounds containing amino groups bound to a carbon skeleton by reductive alkylation of ammonia, amines or compounds having groups reducible to amino groups, with carbonyl compounds
- C07C209/28—Preparation of compounds containing amino groups bound to a carbon skeleton by reductive alkylation of ammonia, amines or compounds having groups reducible to amino groups, with carbonyl compounds by reduction with other reducing agents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/647,065 US4123462A (en) | 1976-01-07 | 1976-01-07 | Amination process using nickel-rhenium catalysts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1569714A true GB1569714A (en) | 1980-06-18 |
Family
ID=24595557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB376/77A Expired GB1569714A (en) | 1976-01-07 | 1977-01-06 | Nickel-rhenium hydrogenation catalyst and methods of preparing same and using same |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US4123462A (https=) |
| JP (2) | JPS6038380B2 (https=) |
| BE (1) | BE850144A (https=) |
| CA (1) | CA1083558A (https=) |
| DE (1) | DE2700339C3 (https=) |
| FR (1) | FR2337585A1 (https=) |
| GB (1) | GB1569714A (https=) |
| IN (1) | IN145670B (https=) |
| IT (1) | IT1082703B (https=) |
| NL (1) | NL180914C (https=) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0526851A3 (en) * | 1991-07-31 | 1993-05-19 | Tosoh Corporation | Process and catalyst for producing an ethylenamine |
| WO1997012928A1 (en) * | 1995-10-04 | 1997-04-10 | The Dow Chemical Company | Amine capped polyethers and process for producing same |
| US5817593A (en) * | 1995-06-02 | 1998-10-06 | The Dow Chemical Company | Catalyst and process for producing amines |
| JP2012162525A (ja) * | 2011-02-03 | 2012-08-30 | Evonik Degussa Gmbh | ポリアミド合成のための主鎖が線状の第1級ジアミンの製造 |
Families Citing this family (79)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2411030A1 (fr) * | 1977-12-12 | 1979-07-06 | Azote & Prod Chim | Catalyseur et procede de fabrication d'amines a partir d'alcools |
| US4209424A (en) | 1977-12-12 | 1980-06-24 | Societe Chimique de la Grande Paroisse, Azote et Products Chimiques | Catalyst for manufacturing amines from alcohols |
| EP0002630B2 (fr) * | 1977-12-12 | 1986-04-16 | Societe Chimique De La Grande Paroisse, Azote Et Produits Chimiques | Catalyseur et procédé de fabrication d'amines à partir d'alcools |
| FR2430262A2 (fr) * | 1978-07-04 | 1980-02-01 | Azote & Prod Chim | Catalyseur et procede de fabrication d'amines a partir d'alcools |
| US4404405A (en) * | 1981-09-30 | 1983-09-13 | Union Carbide Corporation | Process for the preparation of polyethylene polyamines |
| US4400539A (en) * | 1981-09-30 | 1983-08-23 | Union Carbide Corporation | Process for the manufacture of ethylenediamine |
| US4929759A (en) * | 1983-07-27 | 1990-05-29 | Basf Aktiengesellschaft | Production of amines from an olefin and ammonia or a primary or secondary amine |
| SE461095B (sv) * | 1983-09-09 | 1990-01-08 | Berol Kemi Ab | Amineringsfoerfarande med anvaendning av en ruteniumdopad nickel och/eller kovoltkatalysator |
| US4647701A (en) * | 1984-05-23 | 1987-03-03 | Union Carbide Corporation | Processes for producing diethylenetriamine from monoethanolamine |
| US4625030A (en) * | 1984-05-23 | 1986-11-25 | Union Carbide Corporation | Potentiated nickel catalysts for amination |
| US4827037A (en) * | 1985-04-04 | 1989-05-02 | Union Carbide Corporation | Quality of catalytically prepared polyalkylene polyamines |
| US4772750A (en) * | 1985-06-14 | 1988-09-20 | The Dow Chemical Company | Method of producing amines |
| GB8519425D0 (en) * | 1985-08-01 | 1985-09-04 | Ici Plc | Amine production |
| US4709034A (en) * | 1986-02-14 | 1987-11-24 | Air Products And Chemicals, Inc. | Process for the synthesis of hydroxyalkyl amines and hydroxyalkyl piperazines |
| US4918233A (en) * | 1986-07-08 | 1990-04-17 | Air Products And Chemicals, Inc. | Production of ethylenediamine from monoethanolamine and ammonia |
| US4774336A (en) * | 1986-10-02 | 1988-09-27 | Texaco Inc. | Process for preparing N-substituted piperazines from ethylene glycol and amines |
| GB8707304D0 (en) * | 1987-03-26 | 1987-04-29 | Bp Chem Int Ltd | Chemical process |
| US4795733A (en) * | 1987-11-27 | 1989-01-03 | Gaf Corporation | Hydrogenation catalyst and process for its preparation |
| GB8819663D0 (en) * | 1988-08-18 | 1988-09-21 | Bp Chem Int Ltd | Chemical process |
| GB8918965D0 (en) * | 1989-08-19 | 1989-10-04 | Bp Chem Int Ltd | Chemical process |
| DE4006540A1 (de) * | 1990-03-02 | 1991-09-05 | Huels Chemische Werke Ag | Katalysatoren fuer die metathese von olefinen und funktionalisierten olefinen |
| DE69512381T2 (de) * | 1993-12-22 | 2000-04-06 | Union Carbide Chemicals & Plastics Technology Corp., Danbury | Reduktive Aminierung zur selektiven Herstellung von Aminoethylethanolamin |
| CA2146906C (en) * | 1993-12-22 | 1999-03-16 | Stephen Wayne King | Reductive amination catalysts |
| US5600000A (en) * | 1993-12-22 | 1997-02-04 | Union Carbide Chemicals & Plastics Technology Corporation | Reductive amination processes for the selective production of amino-ethylethanolamine |
| US5475138A (en) * | 1994-07-07 | 1995-12-12 | Pharm-Eco Laboratories Incorporated | Method preparing amino acid-derived diaminopropanols |
| US6063963A (en) * | 1995-07-05 | 2000-05-16 | Pharm-Eco Laboratories, Inc. | Amino acid-derived diaminopropanols |
| US5679862A (en) * | 1996-03-25 | 1997-10-21 | Chemical Research & Licensing Company | Amination process |
| SE513250C2 (sv) * | 1997-11-11 | 2000-08-07 | Akzo Nobel Nv | Amineringsförfarande för framställning av polyaminer |
| AU5280999A (en) * | 1998-07-21 | 2000-02-14 | Lonza A.G. | Method for producing amines |
| US6534441B1 (en) | 1999-03-06 | 2003-03-18 | Union Carbide Chemicals & Plastics Technology Corporation | Nickel-rhenium catalyst for use in reductive amination processes |
| US6309758B1 (en) * | 1999-05-06 | 2001-10-30 | W. R. Grace & Co.-Conn. | Promoted porous catalyst |
| WO2003076883A2 (en) * | 2002-03-08 | 2003-09-18 | Sensys Medical, Inc. | Compact apparatus for noninvasive measurement of glucose through near-infrared spectroscopy |
| DE10145119A1 (de) * | 2001-09-13 | 2003-04-03 | Basf Ag | Verfahren zur Herstellung von Aminen |
| US7022645B2 (en) * | 2003-08-04 | 2006-04-04 | Catalytic Distillation Technologies | Ni hydrogenation catalysts, manufacture and use |
| US7131446B2 (en) * | 2004-03-25 | 2006-11-07 | Tang Kenneth Y | Light-triggered tattoo process |
| MX2008015685A (es) * | 2006-06-07 | 2009-01-12 | Procter & Gamble | Procesos para convertir glicerol en aminoalcoholes. |
| US7619119B2 (en) * | 2006-06-07 | 2009-11-17 | The Procter & Gamble Company | Processes for converting glycerol to amino alcohols |
| US7619118B2 (en) | 2006-06-07 | 2009-11-17 | The Procter & Gamble Company | Process for the conversion of glycerol to propylene glycol and amino alcohols |
| EP2231583B1 (en) * | 2008-01-03 | 2015-08-05 | Akzo Nobel N.V. | Process to prepare ethylene amines |
| US8728430B2 (en) | 2008-06-19 | 2014-05-20 | Honda Motor Co., Ltd. | Low temperature single-wall carbon nanotube synthesis |
| JP5469173B2 (ja) * | 2008-10-06 | 2014-04-09 | ユニオン カーバイド ケミカルズ アンド プラスティックス テクノロジー エルエルシー | 金属低配合、アルミナ担持触媒組成物及びアミノ化方法 |
| US8124808B2 (en) * | 2008-10-06 | 2012-02-28 | Union Carbide Chemicals & Plastics Technology Llc | Transalkoxylation of nucleophilic compounds |
| WO2010042168A2 (en) | 2008-10-06 | 2010-04-15 | Dow Global Technologies Inc. | Methods for making ethanolamine(s) and ethyleneamine(s) from ethylene oxide and ammonia, and related methods |
| EP2356095B2 (en) * | 2008-10-06 | 2017-09-27 | Union Carbide Chemicals & Plastics Technology LLC | Methods of making cyclic, n-amino functional triamines |
| US8383860B2 (en) * | 2008-10-06 | 2013-02-26 | Union Carbide Chemicals & Plastics Technology Llc | Process to selectively manufacture diethylenetriamine (DETA) or other desirable ethyleneamines via continuous transamination of ethylenediamine (EDA), and other ethyleneamines over a heterogeneous catalyst system |
| JP5480276B2 (ja) * | 2008-10-06 | 2014-04-23 | ユニオン カーバイド ケミカルズ アンド プラスティックス テクノロジー エルエルシー | 担体として酸性混合金属酸化物を含む低金属(ニッケル及びレニウム)触媒組成物 |
| JP2012504610A (ja) * | 2008-10-06 | 2012-02-23 | ユニオン カーバイド ケミカルズ アンド プラスティックス テクノロジー エルエルシー | エチレンアミンの製造方法 |
| CN101875014B (zh) * | 2009-11-17 | 2012-10-03 | 中国科学院大连化学物理研究所 | 一种在临氢条件下一乙醇胺和氨转化为乙二胺的催化剂 |
| US8735616B2 (en) | 2010-05-21 | 2014-05-27 | H R D Corporation | Process for upgrading low value renewable oils |
| DE102011004465A1 (de) | 2010-09-10 | 2012-03-15 | Evonik Degussa Gmbh | Verfahren zur direkten Aminierung sekundärer Alkohole mit Ammoniak zu primären Aminen |
| DE102011075162A1 (de) | 2010-12-08 | 2012-06-14 | Evonik Degussa Gmbh | Verfahren zur homogen-katalysierte, hochselektiven direkten Aminierung von primären Alkoholen mit Ammoniak zu primären Aminen bei hohem Volumenverhältnis von Flüssig- zu Gasphase und/oder hohen Drücken |
| WO2012113475A1 (de) | 2011-02-21 | 2012-08-30 | Evonik Degussa Gmbh | Verfahren zur direkten aminierung von alkoholen mit ammoniak zu primären aminen mittels eines xantphos katalysatorsystems |
| BR112014015064A2 (pt) * | 2011-12-22 | 2017-06-13 | Dow Global Technologies Llc | método para preparar composição contendo piperazina e aminoetiletanolamina |
| US8952198B2 (en) | 2013-01-30 | 2015-02-10 | Ian Williams | Amination process for manufacturing amines using catalyst |
| JP2017500386A (ja) | 2013-12-02 | 2017-01-05 | ダウ グローバル テクノロジーズ エルエルシー | 高分子量の分岐鎖非環式ポリアルキレンアミン及びその混合物の調製 |
| BR112018014270B1 (pt) | 2016-02-12 | 2022-10-11 | Akzo Nobel Chemicals International B.V. | Processo de preparação de etilenoaminas |
| BR112018014272B1 (pt) | 2016-02-12 | 2021-12-28 | Akzo Nobel Chemicals International B.V. | Processo de preparação de etilenoaminas |
| MX390660B (es) | 2016-02-12 | 2025-03-21 | Akzo Nobel Chemicals Int Bv | Proceso para preparar etilenaminas superiores y derivados de etilenamina. |
| EP4700003A1 (en) | 2016-05-11 | 2026-02-25 | REG Synthetic Fuels, LLC | Biorenewable kerosene, jet fuel, jet fuel blendstock, and method of manufacturing |
| US11091425B2 (en) * | 2016-11-30 | 2021-08-17 | Basf Se | Process for the conversion of ethylene glycol to ethylenediamine employing a zeolite catalyst |
| WO2018108698A1 (de) | 2016-12-15 | 2018-06-21 | Basf Se | Verfahren zur herstellung von ethanolaminen und/oder ethylenaminen |
| EP3634935B1 (de) | 2017-06-09 | 2022-03-09 | Basf Se | Verfahren zur herstellung von ethylenaminen |
| BR112019025201B1 (pt) | 2017-06-09 | 2023-05-02 | Basf Se | Processo para preparar alcanolaminas e etilenoaminas na fase líquida |
| US11214535B2 (en) | 2017-06-09 | 2022-01-04 | Basf Se | Method for producing ethyleneamines |
| TWI762669B (zh) | 2017-07-10 | 2022-05-01 | 荷蘭商安科智諾貝爾化學國際公司 | 製造較高分子量伸乙基胺之方法 |
| US11339117B2 (en) | 2017-10-27 | 2022-05-24 | Basf Se | Method for the production of ethyleneamines |
| JP7277455B2 (ja) | 2017-10-27 | 2023-05-19 | ビーエーエスエフ ソシエタス・ヨーロピア | Eda含有混合物からのn-メチルエチレンジアミンの分離除去 |
| JP7268016B2 (ja) | 2017-10-27 | 2023-05-02 | ビーエーエスエフ ソシエタス・ヨーロピア | エチレンアミンの製造方法 |
| CN111278802A (zh) | 2017-10-27 | 2020-06-12 | 巴斯夫欧洲公司 | 制备亚乙基胺的方法 |
| CN107913694A (zh) * | 2017-10-31 | 2018-04-17 | 山东玉皇化工有限公司 | 一种胺化催化剂载体的调变方法及其应用 |
| CN109734601B (zh) * | 2019-01-25 | 2021-11-12 | 浙江师范大学 | 一种制备1,3-丙二胺的方法 |
| WO2020178085A1 (en) | 2019-03-06 | 2020-09-10 | Basf Se | Method for the production of ethyleneamines |
| JP2023510492A (ja) | 2019-12-13 | 2023-03-14 | ビーエーエスエフ ソシエタス・ヨーロピア | Eda含有混合物からのn-メチルエチレンジアミンの分離 |
| EP4463435A1 (en) | 2022-01-14 | 2024-11-20 | Basf Se | Method for the manufacture or conversion of alkanolamines |
| CN119451938A (zh) | 2022-06-29 | 2025-02-14 | 巴斯夫欧洲公司 | 用于制造亚乙基胺的方法 |
| WO2024002740A1 (en) | 2022-06-29 | 2024-01-04 | Basf Se | Method for manufacture of ethyleneamines |
| WO2025125094A1 (en) | 2023-12-14 | 2025-06-19 | Basf Se | Process for preparing diethylenetriamine and/or ethylene glycol |
| CN118253311A (zh) * | 2024-04-08 | 2024-06-28 | 卫星化学股份有限公司 | 一种用于乙二胺和哌嗪制备的催化剂及其制备方法和应用 |
| WO2026022226A1 (en) | 2024-07-23 | 2026-01-29 | Basf Se | Assistance in controlling a chemical reactor |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3240782A (en) * | 1966-03-15 | Method of converting z-dehydro-isoeme tine into z-dehydro-emetine and inter- mediates therein | ||
| DE1034184B (de) * | 1957-01-23 | 1958-07-17 | Basf Ag | Verfahren zur Herstellung von 1, 3-Propylendiamin |
| US3022349A (en) * | 1957-12-30 | 1962-02-20 | Union Carbide Corp | Production of amines |
| NL248643A (https=) * | 1959-02-27 | |||
| DE1172268B (de) * | 1962-02-21 | 1964-06-18 | Basf Ag | Verfahren zur Herstellung von Diaminen |
| FR1360740A (fr) * | 1963-02-12 | 1964-05-15 | British Petroleum Co | Perfectionnements relatifs à l'hydrogénation des paraffines |
| FR1368177A (fr) * | 1963-06-07 | 1964-07-31 | Comp Generale Electricite | Procédé de préparation d'un catalyseur d'hydrogénation, catalyseur ainsi obtenu et applications |
| US3387032A (en) * | 1965-06-08 | 1968-06-04 | Jackson D. Leonard | Process for the manufacture of methylamines |
| US3492314A (en) * | 1965-08-23 | 1970-01-27 | Mitsubishi Petrochemical Co | Process for catalytic hydrogenation of dicarboxylic acid anhydride and catalyst therefor |
| US3520933A (en) * | 1966-10-28 | 1970-07-21 | Basf Ag | Production of amines |
| US3666412A (en) * | 1968-10-21 | 1972-05-30 | Du Pont | Dispersed phase activated and stabilized metal catalysts |
| US3708539A (en) * | 1970-02-06 | 1973-01-02 | Union Oil Co | Condensation of ammonia or a primary or secondary amine with an alcohol |
| BE765482A (fr) * | 1970-04-20 | 1971-08-30 | Du Pont | Catalyseur de reforming modifie au rhenium |
| JPS4734181U (https=) * | 1971-05-07 | 1972-12-16 | ||
| US3739029A (en) * | 1971-12-29 | 1973-06-12 | Shell Oil Co | N-alkyl amine production |
| FR2252330B1 (https=) * | 1973-11-23 | 1978-06-16 | Ruhrchemie Ag | |
| US4036883A (en) * | 1974-11-27 | 1977-07-19 | Basf Aktiengesellschaft | Manufacture of isomer-free 3-methylbutylamine |
-
1976
- 1976-01-07 US US05/647,065 patent/US4123462A/en not_active Expired - Lifetime
- 1976-10-06 US US05/730,291 patent/US4111840A/en not_active Expired - Lifetime
- 1976-12-22 CA CA268,485A patent/CA1083558A/en not_active Expired
-
1977
- 1977-01-05 IT IT67020/77A patent/IT1082703B/it active
- 1977-01-05 DE DE2700339A patent/DE2700339C3/de not_active Expired
- 1977-01-06 JP JP52000249A patent/JPS6038380B2/ja not_active Expired
- 1977-01-06 IN IN13/CAL/77A patent/IN145670B/en unknown
- 1977-01-06 FR FR7700256A patent/FR2337585A1/fr active Granted
- 1977-01-06 GB GB376/77A patent/GB1569714A/en not_active Expired
- 1977-01-06 BE BE173885A patent/BE850144A/xx not_active IP Right Cessation
- 1977-01-06 NL NLAANVRAGE7700084,A patent/NL180914C/xx not_active IP Right Cessation
-
1980
- 1980-12-12 JP JP17480380A patent/JPS56108534A/ja active Granted
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0526851A3 (en) * | 1991-07-31 | 1993-05-19 | Tosoh Corporation | Process and catalyst for producing an ethylenamine |
| US5321160A (en) * | 1991-07-31 | 1994-06-14 | Tosoh Corporation | Process for producing an ethylenamine |
| US5817593A (en) * | 1995-06-02 | 1998-10-06 | The Dow Chemical Company | Catalyst and process for producing amines |
| US5952529A (en) * | 1995-06-02 | 1999-09-14 | The Dow Chemical Company | Catalyst and process for producing amines |
| WO1997012928A1 (en) * | 1995-10-04 | 1997-04-10 | The Dow Chemical Company | Amine capped polyethers and process for producing same |
| US5789490A (en) * | 1995-10-04 | 1998-08-04 | The Dow Chemical Company | Amine capped polyethers and process for producing same |
| JP2012162525A (ja) * | 2011-02-03 | 2012-08-30 | Evonik Degussa Gmbh | ポリアミド合成のための主鎖が線状の第1級ジアミンの製造 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2337585B1 (https=) | 1983-10-07 |
| NL180914C (nl) | 1987-05-18 |
| IN145670B (https=) | 1978-11-25 |
| IT1082703B (it) | 1985-05-21 |
| DE2700339B2 (https=) | 1979-08-09 |
| JPS56108534A (en) | 1981-08-28 |
| US4123462A (en) | 1978-10-31 |
| CA1083558A (en) | 1980-08-12 |
| DE2700339C3 (de) | 1980-06-19 |
| US4111840A (en) | 1978-09-05 |
| FR2337585A1 (fr) | 1977-08-05 |
| DE2700339A1 (de) | 1977-08-18 |
| NL7700084A (nl) | 1977-07-11 |
| BE850144A (fr) | 1977-07-06 |
| JPS5285991A (en) | 1977-07-16 |
| JPS6038380B2 (ja) | 1985-08-31 |
| JPS6241064B2 (https=) | 1987-09-01 |
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| PS | Patent sealed [section 19, patents act 1949] | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19970105 |