NL180914C - Nikkel bevattende katalysator-op-drager voor aminering. - Google Patents
Nikkel bevattende katalysator-op-drager voor aminering.Info
- Publication number
- NL180914C NL180914C NLAANVRAGE7700084,A NL7700084A NL180914C NL 180914 C NL180914 C NL 180914C NL 7700084 A NL7700084 A NL 7700084A NL 180914 C NL180914 C NL 180914C
- Authority
- NL
- Netherlands
- Prior art keywords
- amination
- nickel
- support
- containing catalyst
- catalyst
- Prior art date
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (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 (2)
Publication Number | Publication Date |
---|---|
NL7700084A NL7700084A (nl) | 1977-07-11 |
NL180914C true NL180914C (nl) | 1987-05-18 |
Family
ID=24595557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7700084,A NL180914C (nl) | 1976-01-07 | 1977-01-06 | Nikkel bevattende katalysator-op-drager voor aminering. |
Country Status (10)
Country | Link |
---|---|
US (2) | US4123462A (ru) |
JP (2) | JPS6038380B2 (ru) |
BE (1) | BE850144A (ru) |
CA (1) | CA1083558A (ru) |
DE (1) | DE2700339C3 (ru) |
FR (1) | FR2337585A1 (ru) |
GB (1) | GB1569714A (ru) |
IN (1) | IN145670B (ru) |
IT (1) | IT1082703B (ru) |
NL (1) | NL180914C (ru) |
Families Citing this family (80)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4209424A (en) | 1977-12-12 | 1980-06-24 | Societe Chimique de la Grande Paroisse, Azote et Products Chimiques | Catalyst for manufacturing amines from alcohols |
FR2411030A1 (fr) * | 1977-12-12 | 1979-07-06 | Azote & Prod Chim | Catalyseur et procede de fabrication d'amines a 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 |
DE2860763D1 (en) * | 1977-12-12 | 1981-09-17 | Azote & Prod Chim | Catalyst and process for the manufacture of amines from alcohols |
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 |
US5321160A (en) * | 1991-07-31 | 1994-06-14 | Tosoh Corporation | Process for producing an ethylenamine |
US5600000A (en) * | 1993-12-22 | 1997-02-04 | Union Carbide Chemicals & Plastics Technology Corporation | Reductive amination processes for the selective production of amino-ethylethanolamine |
EP0737514B1 (en) * | 1993-12-22 | 2001-06-13 | Union Carbide Chemicals & Plastics Technology Corporation | Reductive amination processes for the selective production of aminoethylethanolamine |
CA2146903C (en) * | 1993-12-22 | 2000-01-25 | Stephen Wayne King | Reductive amination catalysts for the selective production of aminoethylethanolamine |
US5475138A (en) * | 1994-07-07 | 1995-12-12 | Pharm-Eco Laboratories Incorporated | Method preparing amino acid-derived diaminopropanols |
US5817593A (en) * | 1995-06-02 | 1998-10-06 | The Dow Chemical Company | Catalyst and process for producing amines |
US6063963A (en) * | 1995-07-05 | 2000-05-16 | Pharm-Eco Laboratories, Inc. | Amino acid-derived diaminopropanols |
US5789490A (en) * | 1995-10-04 | 1998-08-04 | The Dow Chemical Company | Amine capped polyethers and process for producing same |
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 |
DK1097122T3 (da) * | 1998-07-21 | 2005-01-31 | Lonza Ag | Fremgangsmåde til fremstilling af aminer |
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 |
DE10145119A1 (de) * | 2001-09-13 | 2003-04-03 | Basf Ag | Verfahren zur Herstellung von Aminen |
MXPA04008713A (es) * | 2002-03-08 | 2006-02-24 | Sensys Medical Inc | Aparato compacto para la medicion no invasiva de glucosa a traves de espectroscopia del infrarrojo cercano. |
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 |
US7619118B2 (en) | 2006-06-07 | 2009-11-17 | The Procter & Gamble Company | Process for the conversion of glycerol to propylene glycol and amino alcohols |
ES2442493T3 (es) * | 2006-06-07 | 2014-02-11 | The Procter & Gamble Company | Proceso para la conversión de glicerol en propilenglicol y aminoalcoholes |
US7619119B2 (en) * | 2006-06-07 | 2009-11-17 | The Procter & Gamble Company | Processes for converting glycerol to amino alcohols |
US8563778B2 (en) * | 2008-01-03 | 2013-10-22 | Akzo Nobel N.V. | Process to prepare ethylene amines |
WO2009155466A2 (en) | 2008-06-19 | 2009-12-23 | Honda Motor Co. Ltd. | Low temperature single-wall carbon nanotube synthesis |
WO2010042158A1 (en) * | 2008-10-06 | 2010-04-15 | Union Carbide Chemicals & Plastics Technology Llc | Method of manufacturing ethyleneamines |
JP5774991B2 (ja) * | 2008-10-06 | 2015-09-09 | 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 | 不均一触媒系上でのエチレンジアミン(eda)及び他のエチレンアミンの連続アミノ交換反応による、ジエチレントリアミン(deta)又は他の望ましいエチレンアミンの選択的製造プロセス |
EP2340240B1 (en) * | 2008-10-06 | 2014-07-23 | Union Carbide Chemicals & Plastics Technology LLC | Transalkoxylation of nucleophilic compounds |
CN102227413B (zh) * | 2008-10-06 | 2014-11-05 | 联合碳化化学品及塑料技术公司 | 制备环状n-氨基官能化三胺的方法 |
EP2346810B1 (en) * | 2008-10-06 | 2015-08-19 | Dow Global Technologies LLC | Methods for making ethanolamine(s) and ethyleneamine(s) from ethylene oxide and ammonia, and related methods |
BRPI0914038A2 (pt) | 2008-10-06 | 2015-11-03 | Union Carbide Chem Plastic | composição de catalisador e método para transaminar um composto reagente |
CN102239002B (zh) | 2008-10-06 | 2013-10-30 | 联合碳化化学品及塑料技术公司 | 低金属负载的氧化铝载体的催化剂组合物和氨基化方法 |
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 |
EP2571968A1 (en) | 2010-05-21 | 2013-03-27 | 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 |
DE102011003595B4 (de) * | 2011-02-03 | 2014-04-17 | Evonik Degussa Gmbh | Herstellung von in ihrer Hauptkette linearen primären Diaminen für Polyamidsynthesen |
CA2826415A1 (en) | 2011-02-21 | 2012-08-30 | Evonik Degussa Gmbh | Process for the direct amination of alcohols by means of ammonia to primary amines using a xantphos catalyst system |
WO2013095810A1 (en) * | 2011-12-22 | 2013-06-27 | Dow Global Technologies Llc | Reductive amination of diethanolamine and resulting product mixture |
US8952198B2 (en) | 2013-01-30 | 2015-02-10 | Ian Williams | Amination process for manufacturing amines using catalyst |
US9783486B2 (en) | 2013-12-02 | 2017-10-10 | Dow Global Technologies Llc | Preparation of high molecular weight, branched, acyclic polyalkyleneamines and mixtures thereof |
MX2018009318A (es) * | 2016-02-12 | 2018-11-09 | Akzo Nobel Chemicals Int Bv | Proceso para preparar etilenaminas superiores y derivados de etilenamina. |
BR112018014272B1 (pt) | 2016-02-12 | 2021-12-28 | Akzo Nobel Chemicals International B.V. | Processo de preparação de etilenoaminas |
BR112018014270B1 (pt) | 2016-02-12 | 2022-10-11 | Akzo Nobel Chemicals International B.V. | Processo de preparação de etilenoaminas |
KR102445287B1 (ko) | 2016-05-11 | 2022-09-20 | 레그 신써틱 퓨얼즈, 엘엘씨 | 바이오재생 케로신, 제트 연료, 제트 연료 혼합연료, 및 제조 방법 |
EP3568387B1 (en) * | 2016-11-30 | 2021-05-05 | 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 |
BR112019025201B1 (pt) | 2017-06-09 | 2023-05-02 | Basf Se | Processo para preparar alcanolaminas e etilenoaminas na fase líquida |
JP7105813B2 (ja) | 2017-06-09 | 2022-07-25 | 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 |
EP3634935B1 (de) | 2017-06-09 | 2022-03-09 | Basf Se | Verfahren zur herstellung von ethylenaminen |
JP2020527554A (ja) | 2017-07-10 | 2020-09-10 | ヌーリオン ケミカルズ インターナショナル ベスローテン フェノーツハップNouryon Chemicals International B.V. | 高級エチレンアミンを作製するためのプロセス |
JP7277454B2 (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 | エチレンアミンの製造方法 |
JP7268017B2 (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 |
US11225455B2 (en) | 2017-10-27 | 2022-01-18 | Basf Se | Separation of n-methylethylenediamine from EDA-containing mixtures |
US11021434B2 (en) | 2017-10-27 | 2021-06-01 | Basf Se | Method for producing ethyleneamines |
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 |
EP3935039A1 (en) | 2019-03-06 | 2022-01-12 | 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 |
CN118541344A (zh) | 2022-01-14 | 2024-08-23 | 巴斯夫欧洲公司 | 用于制造或转化烷醇胺的方法 |
WO2024002740A1 (en) | 2022-06-29 | 2024-01-04 | Basf Se | Method for manufacture of ethyleneamines |
WO2024002748A1 (en) | 2022-06-29 | 2024-01-04 | Basf Se | Method for manufacture of ethyleneamines |
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 (ru) * | 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 (ru) * | 1971-05-07 | 1972-12-16 | ||
US3739029A (en) * | 1971-12-29 | 1973-06-12 | Shell Oil Co | N-alkyl amine production |
FR2252330B1 (ru) * | 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 IN IN13/CAL/77A patent/IN145670B/en unknown
- 1977-01-06 BE BE173885A patent/BE850144A/xx not_active IP Right Cessation
- 1977-01-06 FR FR7700256A patent/FR2337585A1/fr active Granted
- 1977-01-06 JP JP52000249A patent/JPS6038380B2/ja not_active Expired
- 1977-01-06 NL NLAANVRAGE7700084,A patent/NL180914C/xx not_active IP Right Cessation
- 1977-01-06 GB GB376/77A patent/GB1569714A/en not_active Expired
-
1980
- 1980-12-12 JP JP17480380A patent/JPS56108534A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
US4123462A (en) | 1978-10-31 |
JPS6038380B2 (ja) | 1985-08-31 |
DE2700339B2 (ru) | 1979-08-09 |
JPS5285991A (en) | 1977-07-16 |
US4111840A (en) | 1978-09-05 |
GB1569714A (en) | 1980-06-18 |
CA1083558A (en) | 1980-08-12 |
IT1082703B (it) | 1985-05-21 |
JPS56108534A (en) | 1981-08-28 |
NL7700084A (nl) | 1977-07-11 |
DE2700339A1 (de) | 1977-08-18 |
IN145670B (ru) | 1978-11-25 |
FR2337585B1 (ru) | 1983-10-07 |
JPS6241064B2 (ru) | 1987-09-01 |
BE850144A (fr) | 1977-07-06 |
FR2337585A1 (fr) | 1977-08-05 |
DE2700339C3 (de) | 1980-06-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL180914C (nl) | Nikkel bevattende katalysator-op-drager voor aminering. | |
NL7708176A (nl) | Plaat voor microproeven. | |
IT1075845B (it) | Metodo per preparare un catalizzatore di nichel supportato altamente disperso | |
NL7612447A (nl) | Houder voor documenten. | |
NL7703404A (nl) | Draagvlak. | |
ES227225Y (es) | Soporte para botellas. | |
NL7803542A (nl) | Steunconstructie voor een kussen. | |
NL183208C (nl) | Ondersteuningssysteem voor een tank. | |
NL7713496A (nl) | Werkwijze voor de katalytische hydroreforming. | |
NL7713446A (nl) | Werkwijze voor de catalytische hydroreforming. | |
NL7610046A (nl) | Correctie-inrichting voor schrijfmachines. | |
NL7704901A (nl) | Elastische ondersteuning. | |
NL181774C (nl) | Steunelement voor een kussen. | |
NL170656B (nl) | Stootkussen voor schepen. | |
NL7702217A (nl) | Spiegelsteun voor een voertuig. | |
NL7701184A (nl) | Ondersteuning voor een boek. | |
NL7706746A (nl) | Werkwijze voor het bereiden van een hydrogenerings- katalysator. | |
NO139949C (no) | Stoetteanordning. | |
NL7712985A (nl) | Steun. | |
NL7704903A (nl) | Inrichting voor de ondersteuning van schepen. | |
NL7808610A (nl) | Steun voor stoel. | |
ES221638Y (es) | Un soporte de publicaciones para tapas-forro. | |
ES221126Y (es) | Dispositivo para sustentacion. | |
ES223586Y (es) | Soporte presentador para tarrinas. | |
NO770532L (no) | Underst¦ttelsesanordning. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V4 | Discontinued because of reaching the maximum lifetime of a patent |
Free format text: 970106 |