ATE374075T1 - Zink-modifizierte pd/ni katalysatoren - Google Patents
Zink-modifizierte pd/ni katalysatorenInfo
- Publication number
- ATE374075T1 ATE374075T1 AT03008826T AT03008826T ATE374075T1 AT E374075 T1 ATE374075 T1 AT E374075T1 AT 03008826 T AT03008826 T AT 03008826T AT 03008826 T AT03008826 T AT 03008826T AT E374075 T1 ATE374075 T1 AT E374075T1
- Authority
- AT
- Austria
- Prior art keywords
- support
- catalysts
- zinc
- modified
- improvement
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title abstract 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 abstract 2
- 230000003197 catalytic effect Effects 0.000 abstract 2
- 238000005984 hydrogenation reaction Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 150000001298 alcohols Chemical class 0.000 abstract 1
- 238000005576 amination reaction Methods 0.000 abstract 1
- 150000001412 amines Chemical class 0.000 abstract 1
- 229910052793 cadmium Inorganic materials 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 abstract 1
- 150000002894 organic compounds Chemical class 0.000 abstract 1
- 229910052763 palladium Inorganic materials 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 229910052725 zinc Inorganic materials 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
- 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
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/44—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers
- C07C209/48—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers by reduction of nitriles
-
- 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
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/892—Nickel and noble metals
-
- 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
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8953—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with zinc, cadmium or mercury
-
- 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
- C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
- C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
- C07C209/36—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst
-
- 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
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8926—Copper and noble metals
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0242—Coating followed by impregnation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/137,053 US6762324B2 (en) | 2002-05-01 | 2002-05-01 | Metal modified Pd/Ni catalysts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE374075T1 true ATE374075T1 (de) | 2007-10-15 |
Family
ID=29215688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT03008826T ATE374075T1 (de) | 2002-05-01 | 2003-04-24 | Zink-modifizierte pd/ni katalysatoren |
Country Status (9)
| Country | Link |
|---|---|
| US (4) | US6762324B2 (de) |
| EP (4) | EP1857178A3 (de) |
| JP (1) | JP3868395B2 (de) |
| KR (1) | KR100572162B1 (de) |
| CN (1) | CN1214868C (de) |
| AT (1) | ATE374075T1 (de) |
| BR (1) | BR0301141B1 (de) |
| DE (1) | DE60316502T2 (de) |
| ES (1) | ES2294214T3 (de) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6762324B2 (en) | 2002-05-01 | 2004-07-13 | Air Products And Chemicals, Inc. | Metal modified Pd/Ni catalysts |
| US7208136B2 (en) * | 2003-05-16 | 2007-04-24 | Battelle Memorial Institute | Alcohol steam reforming catalysts and methods of alcohol steam reforming |
| US20050032640A1 (en) * | 2003-08-07 | 2005-02-10 | He Huang | Method and structure for desulfurizing gasoline or diesel fuel for use in a fuel cell power plant |
| KR20060037437A (ko) * | 2003-08-13 | 2006-05-03 | 할도르 토프쉐 에이/에스 | 촉매 산화 환원 공정 |
| US7045670B2 (en) * | 2003-09-03 | 2006-05-16 | Synfuels International, Inc. | Process for liquid phase hydrogenation |
| US7919431B2 (en) | 2003-09-03 | 2011-04-05 | Synfuels International, Inc. | Catalyst formulation for hydrogenation |
| US20050070740A1 (en) * | 2003-09-29 | 2005-03-31 | Rode Chandrashekhar Vasant | Nickel catalyst, process for the preparation thereof, process for hydrogenation of m-dinitro benzene to m-phenylene diamine |
| US20060084830A1 (en) * | 2004-10-20 | 2006-04-20 | Catalytic Distillation Technologies | Selective hydrogenation process and catalyst |
| WO2006109848A1 (ja) | 2005-04-07 | 2006-10-19 | Kao Corporation | 3級アミンの製造方法 |
| JP4994692B2 (ja) * | 2005-04-07 | 2012-08-08 | 花王株式会社 | 3級アミンの製造方法 |
| DE102005019540A1 (de) * | 2005-04-27 | 2006-11-09 | Basf Ag | Verfahren zur Herstellung eines Amins |
| DE102005041532A1 (de) * | 2005-08-31 | 2007-03-01 | Basf Ag | Verfahren zur Herstellung von Aminen |
| US7842639B2 (en) * | 2006-05-19 | 2010-11-30 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Mechanical alloying of a hydrogenation catalyst used for the remediation of contaminated compounds |
| KR101066703B1 (ko) * | 2006-11-21 | 2011-09-21 | 미쓰이 가가쿠 가부시키가이샤 | 알킬화 방향족 화합물의 제조방법 및 페놀의 제조방법 |
| KR20100021570A (ko) * | 2007-05-10 | 2010-02-25 | 바스프 에스이 | 아민의 제조 방법 |
| US8268289B2 (en) * | 2007-07-19 | 2012-09-18 | Toda Kogyo Corporation | Hydrocarbon-decomposing catalyst, process for decomposing hydrocarbons and process for producing hydrogen using the catalyst, and power generation system |
| MY152280A (en) * | 2007-08-13 | 2014-09-15 | Asahi Kasei Chemicals Corp | Catalyst for producing carboxylic acid esters, process for producing same and process for producing carboxylic acid esters |
| US20110313187A1 (en) * | 2009-02-09 | 2011-12-22 | Christof Wilhelm Wigbers | Method for improving the catalytic activity of monolithic catalysts |
| CN102307659A (zh) * | 2009-02-09 | 2012-01-04 | 巴斯夫欧洲公司 | 氢化催化剂及其制备和用途 |
| JP5659860B2 (ja) * | 2011-02-28 | 2015-01-28 | エヌ・イーケムキャット株式会社 | ニトリル化合物水素化用パラジウム含有触媒および該触媒を用いたニトリル化合物の水素化方法 |
| KR101271435B1 (ko) * | 2011-09-16 | 2013-06-10 | 희성촉매 주식회사 | 니트로방향족화합물의 수소화촉매 및 제조방법 |
| FR2998814B1 (fr) * | 2012-11-30 | 2015-05-08 | Eurecat Sa | Procede de preparation de catalyseurs metalliques supportes |
| WO2017152413A1 (en) * | 2016-03-11 | 2017-09-14 | Rhodia Operations | Production of amines utilizing zeolite catalysts |
| EP4166230A1 (de) * | 2021-10-12 | 2023-04-19 | Johnson Matthey Public Limited Company | Katalysatorartikel für abgassystem eines erdgasmotors |
| CN118874491B (zh) * | 2024-07-10 | 2025-12-12 | 西北工业大学深圳研究院 | 一种负载型PtNi双位点己二腈加氢催化剂及其制备方法与应用 |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3127356A (en) | 1964-03-31 | Process for the preparation of hydro- | ||
| DE1935900C3 (de) * | 1969-07-15 | 1975-03-13 | Chemische Werke Huels Ag, 4370 Marl | Verfahren zur Entfernung von Aldehyden und Ketonen aus Kohlenmonoxid enthaltenden Gasströmen |
| DE2100373C3 (de) | 1971-01-15 | 1979-04-12 | Institut Chimitscheskich Nauk Akademii Nauk Kasachskoj Ssr | Katalysator zum Hydrieren von Nitroverbindungen |
| JPS4991069A (de) | 1972-12-25 | 1974-08-30 | ||
| US3935264A (en) | 1974-06-19 | 1976-01-27 | Olin Corporation | Hydrogenation of dinitrotoluene to toluene diamine |
| US4073750A (en) * | 1976-05-20 | 1978-02-14 | Exxon Research & Engineering Co. | Method for preparing a highly dispersed supported nickel catalyst |
| US4238365A (en) | 1979-06-08 | 1980-12-09 | Uop Inc. | Acidic multimetallic catalytic composite |
| US4226809A (en) | 1979-08-07 | 1980-10-07 | Phillips Petroleum Company | Hydrogenation of unsaturated dinitriles using catalyst comprising reaction products of nickel compound and of a palladium compound each with an alkali metal borohydride |
| DE3537247A1 (de) | 1985-10-19 | 1987-04-23 | Bayer Ag | Verwendung von modifizierten raney-katalysatoren zur herstellung von aromatischen diaminoverbindungen |
| JPS62149648A (ja) | 1985-12-25 | 1987-07-03 | Kao Corp | 第2級アミンの製造方法 |
| US4743577A (en) | 1986-10-14 | 1988-05-10 | Amoco Corporation | Catalyst composition |
| EP0510493B1 (de) | 1991-04-22 | 1996-02-21 | Kao Corporation | Verfahren zur Herstellung von N-Alkyl-N-Methylamin oder N-Alkenyl-N-Methylamin |
| US5574189A (en) * | 1995-02-02 | 1996-11-12 | Air Products And Chemicals, Inc. | Hydrogenation of nitriles to produce amines |
| GB9622911D0 (en) * | 1996-11-04 | 1997-01-08 | Bp Chem Int Ltd | Process |
| JPH1147597A (ja) | 1997-07-29 | 1999-02-23 | Ube Ind Ltd | 水素化反応用触媒、及び水素化法 |
| JPH11147597A (ja) | 1997-11-12 | 1999-06-02 | Konishi Co Ltd | パテ状物質の取り出し方法及びその装置 |
| US5932769A (en) | 1998-01-26 | 1999-08-03 | Air Products And Chemicals, Inc. | Multi-metallic actalysts for amination of alcohols to form alkylamines |
| US6005143A (en) | 1998-08-07 | 1999-12-21 | Air Products And Chemicals, Inc. | Use of a monolith catalyst for the hydrogenation of dinitrotoluene to toluenediamine |
| DE19840373A1 (de) * | 1998-09-04 | 2000-03-09 | Basf Ag | Katalysator und Verfahren zur Selektivhydrierung ungesättigter Verbindungen in Kohlenwasserstoffströmen |
| DE19911865A1 (de) | 1999-03-17 | 2000-09-28 | Degussa | Verfahren zur katalytischen Hydrierung von Dinitrotoluol sowie Katalysator |
| DE19959064A1 (de) * | 1999-12-08 | 2001-06-13 | Basf Ag | Trägerkatalysator zur Selektivhydrierung von Alkinen und Dienen |
| US6528689B2 (en) * | 2000-11-20 | 2003-03-04 | Council Of Scientific And Industrial Research | Noble metal containing hydrogenation catalyst for selective hydrogenation of 1, 4 butynediol to 1, 4 butenediol, and a process for the preparation thereof |
| JP2004516308A (ja) * | 2000-12-23 | 2004-06-03 | デグサ アクチエンゲゼルシャフト | ニトリルおよびイミンの水素化により第一級および第二級アミンを製造する方法 |
| US6762324B2 (en) | 2002-05-01 | 2004-07-13 | Air Products And Chemicals, Inc. | Metal modified Pd/Ni catalysts |
-
2002
- 2002-05-01 US US10/137,053 patent/US6762324B2/en not_active Expired - Fee Related
-
2003
- 2003-04-24 ES ES03008826T patent/ES2294214T3/es not_active Expired - Lifetime
- 2003-04-24 EP EP07115279A patent/EP1857178A3/de not_active Withdrawn
- 2003-04-24 DE DE60316502T patent/DE60316502T2/de not_active Expired - Lifetime
- 2003-04-24 EP EP07115278A patent/EP1857177A3/de not_active Withdrawn
- 2003-04-24 EP EP07115277A patent/EP1857176A3/de not_active Withdrawn
- 2003-04-24 AT AT03008826T patent/ATE374075T1/de not_active IP Right Cessation
- 2003-04-24 EP EP03008826A patent/EP1358935B1/de not_active Expired - Lifetime
- 2003-04-28 BR BRPI0301141-0A patent/BR0301141B1/pt not_active IP Right Cessation
- 2003-04-29 CN CNB031284515A patent/CN1214868C/zh not_active Expired - Fee Related
- 2003-04-30 JP JP2003124631A patent/JP3868395B2/ja not_active Expired - Fee Related
- 2003-04-30 KR KR1020030027378A patent/KR100572162B1/ko not_active Expired - Fee Related
-
2004
- 2004-04-15 US US10/825,027 patent/US6903046B2/en not_active Expired - Fee Related
- 2004-04-15 US US10/824,952 patent/US6878849B2/en not_active Expired - Fee Related
- 2004-04-15 US US10/824,993 patent/US6924395B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1214868C (zh) | 2005-08-17 |
| US6924395B2 (en) | 2005-08-02 |
| EP1857178A3 (de) | 2008-11-19 |
| EP1358935B1 (de) | 2007-09-26 |
| KR100572162B1 (ko) | 2006-04-19 |
| US20030207761A1 (en) | 2003-11-06 |
| JP2003340283A (ja) | 2003-12-02 |
| US20050038295A1 (en) | 2005-02-17 |
| BR0301141A (pt) | 2004-08-17 |
| US20040199020A1 (en) | 2004-10-07 |
| DE60316502D1 (de) | 2007-11-08 |
| EP1857176A3 (de) | 2008-11-19 |
| DE60316502T2 (de) | 2008-01-17 |
| EP1857177A2 (de) | 2007-11-21 |
| KR20030086914A (ko) | 2003-11-12 |
| EP1857178A2 (de) | 2007-11-21 |
| US6762324B2 (en) | 2004-07-13 |
| US20040199017A1 (en) | 2004-10-07 |
| US6878849B2 (en) | 2005-04-12 |
| CN1454713A (zh) | 2003-11-12 |
| JP3868395B2 (ja) | 2007-01-17 |
| BR0301141B1 (pt) | 2012-12-11 |
| EP1857177A3 (de) | 2008-11-19 |
| ES2294214T3 (es) | 2008-04-01 |
| EP1857176A2 (de) | 2007-11-21 |
| US6903046B2 (en) | 2005-06-07 |
| EP1358935A1 (de) | 2003-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE374075T1 (de) | Zink-modifizierte pd/ni katalysatoren | |
| ATE546224T1 (de) | Verfahren zur herstellung von aminen | |
| MY121112A (en) | Raney iron catalyst and a process for hydrogenating organic compounds using said catalyst. | |
| TW200833417A (en) | Bimetallic alkylation catalysts | |
| WO2002051779A3 (de) | Verfahren zur herstellung von alkoholen durch hydrierung von carbonylverbindungen | |
| PT1086745E (pt) | Catalisadores de leito fixo | |
| NO20053024L (no) | Hydrogeneringskatalysator, fremstilling derav og hydrogeneringsprosesser ved anvendelse av denne katalysatoren. | |
| MY144948A (en) | Catalyst extrudates based on copper oxide and their use for hydrogenating carbonyl compounds | |
| TW200635663A (en) | Transition metal-containing catalysts and catalyst combinations including transition metal-containing catalysts and processes for their preparation and use as oxidation catalysts | |
| CN106034401B (zh) | 含有所选择的卤素的底物的还原胺化和选择性氢化的改进方法 | |
| TW200700152A (en) | Hydrogenation catalyst and hydrogenation method | |
| EA201001607A1 (ru) | Способ дегидроароматизации смесей, содержащих метан, путем регенерации соответствующих катализаторов, не содержащих благородные металлы | |
| JP4523275B2 (ja) | ニトロ芳香族化合物を水素化するための担持触媒 | |
| ZA200406756B (en) | Production of dihydronepetalactone by hydrogenation of nepetalactone | |
| PL317204A1 (en) | Method of obtaining unsaturate amine compounds | |
| ATE554061T1 (de) | Verfahren zur herstellung von aminen | |
| MY128265A (en) | Method for the production of alcohols on rhenium-containing activated charcoal supported catalysts | |
| MY134409A (en) | Improved catalyst and preparation of alcohols by hydrogenation over this catalyst | |
| JP2009506091A5 (de) | ||
| JP2007099771A (ja) | 水性アミンおよび適当な触媒でケトンおよびアルデヒドを還元的にアミノ化する方法 | |
| ATE502002T1 (de) | Hydrogenierung von methylendianilin | |
| Han et al. | Hydrogenation catalysts based on platinum complexes with polymer | |
| TW200500139A (en) | Process for the hydrogenation of alkylaryl ketones | |
| DE10216108A1 (de) | Pulverförmiger geträgerter Hydrierkatalysator | |
| TH114469A (th) | กระบวนการของการไฮโดรจีเนชันซึ่งเลือกเฟ้นที่ใช้ตัวเร่งปฏิกิริยาที่ถูกซัลเฟอไรซ์กับสารผสมเฉพาะ |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |