ATE517856T1 - Oxidationskatalysator und oxidationsverfahren - Google Patents
Oxidationskatalysator und oxidationsverfahrenInfo
- Publication number
- ATE517856T1 ATE517856T1 AT05807059T AT05807059T ATE517856T1 AT E517856 T1 ATE517856 T1 AT E517856T1 AT 05807059 T AT05807059 T AT 05807059T AT 05807059 T AT05807059 T AT 05807059T AT E517856 T1 ATE517856 T1 AT E517856T1
- Authority
- AT
- Austria
- Prior art keywords
- oxygen
- region
- oxidation
- aldehyde
- alcohol
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 230000003647 oxidation Effects 0.000 title 2
- 238000007254 oxidation reaction Methods 0.000 title 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 5
- 229910052760 oxygen Inorganic materials 0.000 abstract 5
- 239000001301 oxygen Substances 0.000 abstract 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 3
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 abstract 3
- 239000004215 Carbon black (E152) Substances 0.000 abstract 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 abstract 2
- 229930195733 hydrocarbon Natural products 0.000 abstract 2
- 150000002430 hydrocarbons Chemical class 0.000 abstract 2
- 230000001590 oxidative effect Effects 0.000 abstract 2
- -1 carboxylate ester Chemical class 0.000 abstract 1
- 150000001735 carboxylic acids Chemical class 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 229910052763 palladium Inorganic materials 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/39—Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
- C07C67/40—Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester by oxidation of primary alcohols
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B61/00—Other general methods
-
- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/44—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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/62—Platinum group metals with gallium, indium, thallium, germanium, tin or lead
- B01J23/622—Platinum group metals with gallium, indium, thallium, germanium, tin or lead with germanium, tin or lead
- B01J23/628—Platinum group metals with gallium, indium, thallium, germanium, tin or lead with germanium, tin or lead with lead
-
- 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
- B01J31/12—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
- B01J31/121—Metal hydrides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B41/00—Formation or introduction of functional groups containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C27/00—Processes involving the simultaneous production of more than one class of oxygen-containing compounds
- C07C27/10—Processes involving the simultaneous production of more than one class of oxygen-containing compounds by oxidation of hydrocarbons
- C07C27/12—Processes involving the simultaneous production of more than one class of oxygen-containing compounds by oxidation of hydrocarbons with oxygen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/48—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by oxidation reactions with formation of hydroxy groups
- C07C29/50—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by oxidation reactions with formation of hydroxy groups with molecular oxygen only
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/58—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by oxidation reactions introducing directly hydroxy groups on a =CH-group belonging to a six-membered aromatic ring with the aid of molecular oxygen
-
- 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
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
-
- 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
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/37—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups
- C07C45/38—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups being a primary hydroxyl group
-
- 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
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/37—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups
- C07C45/39—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups being a secondary hydroxyl group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/39—Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/08—Silica
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
-
- 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
- B01J2231/70—Oxidation reactions, e.g. epoxidation, (di)hydroxylation, dehydrogenation and analogues
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004333411 | 2004-11-17 | ||
| PCT/JP2005/021123 WO2006054643A1 (ja) | 2004-11-17 | 2005-11-17 | 酸化触媒および酸化方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE517856T1 true ATE517856T1 (de) | 2011-08-15 |
Family
ID=36407181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT05807059T ATE517856T1 (de) | 2004-11-17 | 2005-11-17 | Oxidationskatalysator und oxidationsverfahren |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US8614349B2 (de) |
| EP (1) | EP1813586B1 (de) |
| JP (1) | JP4919808B2 (de) |
| KR (1) | KR100905812B1 (de) |
| CN (1) | CN101065343B (de) |
| AT (1) | ATE517856T1 (de) |
| MY (1) | MY139387A (de) |
| TW (1) | TWI278346B (de) |
| WO (1) | WO2006054643A1 (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY151857A (en) * | 2006-12-27 | 2014-07-14 | Lion Corp | Method for producing fatty acid lower alkyl ester |
| FR2940801B1 (fr) | 2009-01-06 | 2012-08-17 | Arkema France | Procede de fabrication d'un methacrylate de methyle derive de la biomasse |
| DE102011076642A1 (de) | 2011-05-27 | 2012-11-29 | Evonik Röhm Gmbh | Verfahren zur Herstellung von Methacrylsäure |
| CN103588636A (zh) * | 2013-11-14 | 2014-02-19 | 中国科学院过程工程研究所 | 一种以酸性树脂催化丙烯酸甲酯水解制备丙烯酸的方法 |
| EP3144291A1 (de) * | 2015-09-16 | 2017-03-22 | Evonik Röhm GmbH | Synthese von methacrylsäure aus auf methacrolein basierenden alkylmethacrylat |
| CN110997618B (zh) | 2017-07-28 | 2023-04-04 | 罗门哈斯公司 | 通过使用非均相催化剂进行氧化酯化来生产甲基丙烯酸甲酯的方法 |
| CA3071239A1 (en) | 2017-07-28 | 2019-01-31 | Rohm And Haas Company | Heterogeneous catalyst |
| SG11202000681RA (en) | 2017-07-28 | 2020-02-27 | Rohm & Haas | A method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst |
| SG11202000744UA (en) | 2017-07-28 | 2020-02-27 | Rohm & Haas | A method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst |
| JP7171697B2 (ja) | 2017-07-28 | 2022-11-15 | ローム アンド ハース カンパニー | 不均一触媒を使用した酸化的エステル化によるメタクリル酸メチルの製造方法 |
| EP3658532A1 (de) | 2017-07-28 | 2020-06-03 | Rohm and Haas Company | Verfahren zur herstellung von methylmethacrylat durch oxidative veresterung unter verwendung eines heterogenen katalysators |
| WO2019022882A1 (en) | 2017-07-28 | 2019-01-31 | Rohm And Haas Company | PROCESS FOR THE PRODUCTION OF METHYL METHACRYLATE BY OXIDATIVE ESTERIZATION USING A HETEROGENEOUS CATALYST |
| WO2019022884A1 (en) | 2017-07-28 | 2019-01-31 | Rohm And Haas Company | PROCESS FOR THE PRODUCTION OF METHYL METHACRYLATE BY OXIDATIVE ESTERIZATION USING A HETEROGENEOUS CATALYST |
| SG11202000684XA (en) | 2017-07-28 | 2020-02-27 | Rohm & Haas | A method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst |
| KR102639245B1 (ko) | 2017-07-28 | 2024-02-20 | 다우 글로벌 테크놀로지스 엘엘씨 | 불균일 촉매를 사용하여 산화적 에스터화에 의해 메틸 메타크릴레이트를 제조하는 방법 |
| KR102666708B1 (ko) * | 2017-09-19 | 2024-05-17 | 다우 글로벌 테크놀로지스 엘엘씨 | 불균일 촉매를 사용하여 산화적 에스터화에 의해 메틸 메타크릴레이트를 제조하는 방법 |
| WO2019205101A1 (en) * | 2018-04-27 | 2019-10-31 | Rhodia Operations | Process for preparing dispersed pd nanoparticles on a support |
| CN112165987B (zh) | 2018-06-28 | 2024-05-17 | 陶氏环球技术有限责任公司 | 非均相催化剂 |
| JP2021528231A (ja) | 2018-06-28 | 2021-10-21 | ダウ グローバル テクノロジーズ エルエルシー | 不均一触媒 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3123157B2 (ja) * | 1990-11-01 | 2001-01-09 | 東ソー株式会社 | フェノール類の製造方法 |
| JP3276413B2 (ja) | 1991-08-30 | 2002-04-22 | 花王株式会社 | カルボニル基及び/又はカルボキシル基を有する化合物の製造方法 |
| JP3036935B2 (ja) | 1991-12-19 | 2000-04-24 | 三井化学株式会社 | フェノールおよびアルデヒド類またはケトン類の製造法 |
| JP3285605B2 (ja) | 1992-04-20 | 2002-05-27 | 三井化学株式会社 | フェノールおよび酢酸ビニルの併産法 |
| EP0857512B1 (de) * | 1995-07-18 | 2004-06-23 | Asahi Kasei Chemicals Corporation | katalysator zur herstellung von carbonsäureestern |
| WO2000061535A1 (en) | 1999-04-14 | 2000-10-19 | Showa Denko K. K. | Catalyst for production of acetic acid or acetic acid and ethyl acetate, process for its production and process for production of acetic acid or acetic acid and ethyl acetate using it |
| DE10010771C1 (de) * | 2000-03-04 | 2001-05-03 | Celanese Chem Europe Gmbh | Verfahren zur Herstellung aliphatischer Carbonsäuren aus Aldehyden |
| JP2002205968A (ja) * | 2001-01-05 | 2002-07-23 | National Institute Of Advanced Industrial & Technology | 隔膜型触媒を備えた反応装置 |
| EP1357103B1 (de) * | 2001-01-05 | 2013-02-20 | National Institute of Advanced Industrial Science and Technology | Reaktionsvorrichtung und verfahren zur herstellung einer sauerstoffenthaltenden organischen komponente |
-
2005
- 2005-11-17 US US11/666,240 patent/US8614349B2/en not_active Expired - Fee Related
- 2005-11-17 AT AT05807059T patent/ATE517856T1/de not_active IP Right Cessation
- 2005-11-17 KR KR1020077011119A patent/KR100905812B1/ko not_active Expired - Fee Related
- 2005-11-17 CN CN2005800392967A patent/CN101065343B/zh not_active Expired - Fee Related
- 2005-11-17 TW TW094140490A patent/TWI278346B/zh not_active IP Right Cessation
- 2005-11-17 EP EP05807059A patent/EP1813586B1/de not_active Expired - Lifetime
- 2005-11-17 MY MYPI20055385A patent/MY139387A/en unknown
- 2005-11-17 JP JP2006545130A patent/JP4919808B2/ja not_active Expired - Fee Related
- 2005-11-17 WO PCT/JP2005/021123 patent/WO2006054643A1/ja not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US8614349B2 (en) | 2013-12-24 |
| EP1813586A4 (de) | 2009-12-23 |
| US20080091044A1 (en) | 2008-04-17 |
| KR100905812B1 (ko) | 2009-07-02 |
| TW200624167A (en) | 2006-07-16 |
| EP1813586A1 (de) | 2007-08-01 |
| EP1813586B1 (de) | 2011-07-27 |
| KR20070068457A (ko) | 2007-06-29 |
| WO2006054643A1 (ja) | 2006-05-26 |
| JPWO2006054643A1 (ja) | 2008-05-29 |
| CN101065343A (zh) | 2007-10-31 |
| TWI278346B (en) | 2007-04-11 |
| JP4919808B2 (ja) | 2012-04-18 |
| CN101065343B (zh) | 2011-01-19 |
| MY139387A (en) | 2009-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE517856T1 (de) | Oxidationskatalysator und oxidationsverfahren | |
| AU2001252138A1 (en) | Method for the synthesis of aliphatic carboxylic acids from aldehydes | |
| DE602005006511D1 (de) | Verfahren zur aeroben, übergangsmetallfreien, katalytischen Oxidation von Alkoholen unter milden Bedingungen und Verwendung von stabilen freien Nitroxylradikalen | |
| MY139342A (en) | Long-term operation of a heterogeneously catalyzed gas phase partial oxidation of propene to acrylic acid | |
| DE502007003951D1 (de) | Verfahren zur kontinuierlichen herstellung von ungesättigten carbonsäureanhydriden | |
| ATE455086T1 (de) | Verfahren zur stabilisierung von reduziertem coenzym q10 und verfahren zur sauren kristallisation | |
| DE502005006938D1 (de) | Verfahren zur Herstellung von aliphatischen geradkettigen und ß-alkylverzweigten Carbonsäuren | |
| Madix et al. | Anticipating catalytic oxidation reactions on gold at high pressure (including liquid phase) from ultrahigh vacuum studies | |
| DE60119059D1 (de) | Oxidationsverfahren zur Herstellung von Alkenen und Carbonsäuren | |
| DE50300035D1 (de) | Verfahren zur Herstellung von Alkincarbonsäuren durch Oxidation von Alkinalkoholen | |
| UA89237C2 (ru) | Способ получения дикарбоновых кислот | |
| AU2001239267A1 (en) | Method for producing aliphatic carboxylic acids from aldehydes | |
| ATE411257T1 (de) | Verfahren zur herstellung von wasserstoffperoxid | |
| BRPI0411037A (pt) | processo de oxidação para a produção de ácidos carboxìlicos e alcenos | |
| WO2008120091A3 (en) | Improved manufacturing process for aromatic carboxylic acids | |
| ATE356792T1 (de) | Verfahren zur katalytischen oxidation von methan zu methanol über methanolester | |
| JP2008212817A5 (de) | ||
| EP1669340A4 (de) | Verfahren zum oxidieren einer aromatischen verbindung mit alkylsubstituenten, verfahren zur herstellung einer aromatischen aldehydverbindung und verfahren zur herstellung eines aromatischen carbonsäureesters | |
| WO2004071998A3 (en) | Cyclohexane oxidation catalysts | |
| TH64882B (th) | ตัวเร่งปฏิกิริยาการออกซิเดชั่น และ วิธีการออกซิเดชั่น | |
| FR2838122B1 (fr) | Procede de fabrication d'acides carboxyliques | |
| JP2006249070A5 (de) | ||
| TH54383A (de) | ||
| TH77803B (th) | วิธีการผลิตกรด อัลฟ่า,เบต้า -คาร์บอกซิลิกที่ไม่อิ่มตัว | |
| TH74352A (th) | วิธีการผลิตกรด อัลฟ่า,เบต้า -คาร์บอกซิลิกที่ไม่อิ่มตัว |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |