DE69632788D1 - Katalysator zur herstellung von carbonsäureestern - Google Patents

Katalysator zur herstellung von carbonsäureestern

Info

Publication number
DE69632788D1
DE69632788D1 DE69632788T DE69632788T DE69632788D1 DE 69632788 D1 DE69632788 D1 DE 69632788D1 DE 69632788 T DE69632788 T DE 69632788T DE 69632788 T DE69632788 T DE 69632788T DE 69632788 D1 DE69632788 D1 DE 69632788D1
Authority
DE
Germany
Prior art keywords
catalyst
compound
reducible
supported
carrier
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 - Lifetime
Application number
DE69632788T
Other languages
English (en)
Other versions
DE69632788T2 (de
Inventor
Setsuo Yamamatsu
Tatsuo Yamaguchi
Koshiro Yokota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Chemicals Corp
Original Assignee
Asahi Kasei Chemicals Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP18154795A external-priority patent/JP3503776B2/ja
Priority claimed from JP18272195A external-priority patent/JP3503777B2/ja
Application filed by Asahi Kasei Chemicals Corp filed Critical Asahi Kasei Chemicals Corp
Publication of DE69632788D1 publication Critical patent/DE69632788D1/de
Application granted granted Critical
Publication of DE69632788T2 publication Critical patent/DE69632788T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts 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
    • B01J23/56Platinum group metals
    • B01J23/62Platinum group metals with gallium, indium, thallium, germanium, tin or lead
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/39Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts 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
    • B01J23/56Platinum group metals
    • B01J23/62Platinum group metals with gallium, indium, thallium, germanium, tin or lead
    • B01J23/622Platinum group metals with gallium, indium, thallium, germanium, tin or lead with germanium, tin or lead
    • B01J23/628Platinum group metals with gallium, indium, thallium, germanium, tin or lead with germanium, tin or lead with lead
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B01J29/42Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
    • B01J29/44Noble metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B01J29/48Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing arsenic, antimony, bismuth, vanadium, niobium tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J35/30
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/08Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/52Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
    • C07C69/533Monocarboxylic acid esters having only one carbon-to-carbon double bond
    • C07C69/54Acrylic acid esters; Methacrylic acid esters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/14Silica and magnesia
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027Powdering
    • B01J37/0045Drying a slurry, e.g. spray drying
DE69632788T 1995-07-18 1996-07-18 Katalysator zur herstellung von carbonsäureestern Expired - Lifetime DE69632788T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP18154795 1995-07-18
JP18154795A JP3503776B2 (ja) 1995-07-18 1995-07-18 カルボン酸エステル製造用パラジウム、鉛含有担持触媒
JP18272195A JP3503777B2 (ja) 1995-07-19 1995-07-19 パラジウム及び鉛を含む表面制御担持触媒
JP18272195 1995-07-19
PCT/JP1996/002008 WO1997003751A1 (fr) 1995-07-18 1996-07-18 Catalyseur conçu pour la preparation d'esters carboxyliques

Publications (2)

Publication Number Publication Date
DE69632788D1 true DE69632788D1 (de) 2004-07-29
DE69632788T2 DE69632788T2 (de) 2005-07-14

Family

ID=26500688

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69632788T Expired - Lifetime DE69632788T2 (de) 1995-07-18 1996-07-18 Katalysator zur herstellung von carbonsäureestern
DE69633753T Expired - Lifetime DE69633753T2 (de) 1995-07-18 1996-07-18 Verfahren zur Herstellung von Carbonsäureestern

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69633753T Expired - Lifetime DE69633753T2 (de) 1995-07-18 1996-07-18 Verfahren zur Herstellung von Carbonsäureestern

Country Status (10)

Country Link
US (2) USRE38283E1 (de)
EP (2) EP1361206B1 (de)
KR (1) KR100259743B1 (de)
CN (1) CN1086313C (de)
AT (2) ATE269755T1 (de)
DE (2) DE69632788T2 (de)
HK (1) HK1009412A1 (de)
MY (1) MY119415A (de)
TW (1) TW348073B (de)
WO (1) WO1997003751A1 (de)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5906142A (en) * 1997-09-11 1999-05-25 Harmonic Drive Systems, Inc. Wave gear drive
US6255880B1 (en) * 1999-10-25 2001-07-03 Xilinx, Inc. One-shot DLL circuit and method
JP3995935B2 (ja) * 2000-02-10 2007-10-24 エーザイ・アール・アンド・ディー・マネジメント株式会社 クロマトグラフィー用充填剤
US7326806B2 (en) * 2001-06-04 2008-02-05 Nippon Shokubai Co., Ltd. Catalyst for the preparation of carboxylic esters and method for producing carboxylic esters
MY139387A (en) * 2004-11-17 2009-09-30 Asahi Kasei Chemicals Corp Oxidation catalyst and oxidation method
WO2006091645A2 (en) 2005-02-23 2006-08-31 Blue Water Investments Manufacturing of bioorganic-augmented high nitrogen-containing inorganic fertilizer
US8192519B2 (en) 2005-03-09 2012-06-05 Vitag Corporation Beneficiated, heat-dried biosolid pellets
US7662206B2 (en) 2005-09-15 2010-02-16 Vitag Corporation Organic containing sludge to fertilizer alkaline conversion process
CN100443460C (zh) * 2005-12-27 2008-12-17 中国石油化工股份有限公司 一种羧酸酯的制备方法
US20080108497A1 (en) * 2006-11-08 2008-05-08 Holland Brian T Metal-rich siliceous compositions and methods of producing same
BRPI0807734B1 (pt) 2007-02-16 2021-07-06 Anuvia Plant Nutrients Holdings Llc Processo para tratar lama e fabricar fertilizante inorgânico contendo nitrogênio altamente enriquecido bioorganicamente
US20140206897A1 (en) * 2013-01-22 2014-07-24 Saudi Basic Industries Corporation Method for making methyl methacrylate from propionaldehyde and formaldehyde via oxidative esterification
JP6501754B2 (ja) 2013-04-19 2019-04-17 エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツングEvonik Roehm GmbH メチルメタクリレートの製造方法
TW201509522A (zh) 2013-07-29 2015-03-16 Rohm & Haas 氧化酯化催化劑
TW201509901A (zh) 2013-07-29 2015-03-16 Rohm & Haas 氧化酯化方法
TW201512168A (zh) * 2013-07-29 2015-04-01 Rohm & Haas 氧化酯化方法
JP6382969B2 (ja) 2013-10-28 2018-08-29 ローム アンド ハース カンパニーRohm And Haas Company メタクロレインを分離するための方法
EP2886529A1 (de) * 2013-12-20 2015-06-24 Evonik Industries AG Verfahren zur Herstellung von Methylmethacrylat
EP2886528A1 (de) 2013-12-20 2015-06-24 Evonik Industries AG Verfahren zur Herstellung von ungesättigten Estern ausgehend von Aldehyden durch Direkte Oxidative Veresterung
DE102014004170A1 (de) 2014-03-21 2015-09-24 Ceag Notlichtsysteme Gmbh Notlichtsystem und entsprechendes Verfahren
TW201627267A (zh) 2014-10-31 2016-08-01 陶氏全球科技公司 用於從氧化性酯化反應中原位水移除的方法使用經耦合的反應器-蒸餾系統
BR112017008420A2 (pt) 2014-10-31 2018-01-23 Dow Global Technologies Llc processo para remoção de água in situ de uma reação de esterificação oxidativa usando um sistema de reator-destilação acoplado
WO2016069225A1 (en) * 2014-10-31 2016-05-06 Rohm And Haas Company Oxidative esterification process for making methyl methacrylate
CA2965482C (en) 2014-10-31 2023-03-28 Dow Global Technologies Llc A process to separate methanol from mma
SG11201703368QA (en) 2014-10-31 2017-05-30 Dow Global Technologies Llc Breaking a methanol/methyl methacrylate azeotrope using pressure swing distillation
SG11201705561UA (en) 2015-01-16 2017-08-30 Evonik Roehm Gmbh Gold-based catalyst for the oxidative esterification of aldehydes to obtain carboxylic esters
EP3170558A1 (de) 2015-11-19 2017-05-24 Evonik Röhm GmbH Gold-basierten katalysator für die oxidative veresterung von aldehyden zu carbonsäureestern
US9822053B2 (en) * 2016-01-28 2017-11-21 Eastman Chemical Company Single step conversion of N-butyraldehyde to 2-ethylhexanal
CN106475109B (zh) * 2016-09-22 2019-02-12 中国石油大学(华东) 超高活性加氢催化剂的制备方法
CN108607550A (zh) * 2016-12-10 2018-10-02 中国科学院大连化学物理研究所 一种生产甲基丙烯酸甲酯的黄金催化剂及其应用
RU2641694C1 (ru) * 2016-12-14 2018-01-22 Акционерное общество "Федеральный научно-производственный центр "Алтай" Способ получения катализатора и способ его применения для многократного использования в промышленном процессе двухстадийного гидрогенолиза при производстве 2,4,6,8,10,12-гексанитро-2,4,6,8,10,12-гексаазатетрацикло[5,5,0,03,11,05,9]додекана
EP3630711B1 (de) 2017-05-25 2021-03-17 Rohm and Haas Company Verfahren zur herstellung von methacrolein
JP7000455B2 (ja) 2017-05-25 2022-02-04 ローム アンド ハース カンパニー メタクロレインを調製するための方法
KR20190001369A (ko) * 2017-06-27 2019-01-04 (주)대원인터내셔널 지방산 메틸 에스테르의 생산에 사용되는 세라믹 고체촉매의 조기 활성화를 위한 전처리 방법
EP3658536A1 (de) 2017-07-28 2020-06-03 Rohm and Haas Company Verfahren zur herstellung von methylmethacrylat durch oxidative veresterung unter verwendung eines heterogenen katalysators
SG11202000694WA (en) 2017-07-28 2020-02-27 Rohm & Haas A method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst
KR102563776B1 (ko) 2017-07-28 2023-08-04 다우 글로벌 테크놀로지스 엘엘씨 불균일 촉매를 사용하여 산화적 에스터화에 의해 메틸 메타크릴레이트를 제조하는 방법
BR112020001575B1 (pt) 2017-07-28 2023-03-14 Rohm And Haas Company Catalisador heterogêneo, e, leito de catalisador
KR102639247B1 (ko) * 2017-07-28 2024-02-21 다우 글로벌 테크놀로지스 엘엘씨 불균일 촉매를 사용하여 산화적 에스터화에 의해 메틸 메타크릴레이트를 제조하는 방법
CN111051274A (zh) 2017-07-28 2020-04-21 陶氏环球技术有限责任公司 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
EP3658534A1 (de) 2017-07-28 2020-06-03 Rohm and Haas Company Verfahren zur herstellung von methylmethacrylat durch oxidative veresterung unter verwendung eines heterogenen katalysators
US10829432B2 (en) 2017-07-28 2020-11-10 Dow Global Technologies Llc Method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst
EP3658529A1 (de) 2017-07-28 2020-06-03 Rohm and Haas Company Verfahren zur herstellung von methylmethacrylat durch oxidative veresterung unter verwendung eines heterogenen katalysators
US10829434B2 (en) 2017-07-28 2020-11-10 Dow Global Technologies Llc Method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst
US10865179B2 (en) 2017-09-19 2020-12-15 Dow Global Technologies, Llc Method for production of methyl methacrylate by oxidative esterification using a heterogeneous catalyst
EP3456704A1 (de) 2017-09-19 2019-03-20 Evonik Röhm GmbH Katalysator für die oxidative veresterung von aldehyden zu carbonsäureestern
EP3587390A1 (de) 2018-06-26 2020-01-01 Röhm GmbH Verfahren zur herstellung von mma in hohen ausbeuten
WO2020005689A1 (en) 2018-06-28 2020-01-02 Dow Global Technologies Llc Heterogeneous catalyst
KR20210022621A (ko) 2018-06-28 2021-03-03 다우 글로벌 테크놀로지스 엘엘씨 불균일 촉매
EP3608305A1 (de) 2018-08-10 2020-02-12 Röhm GmbH Verfahren zur herstellung von methacrylsäure oder methacrylsäureestern
CN109569579B (zh) * 2018-12-26 2021-10-08 淮南安信泰科技有限公司 一种凹凸棒石黏土固载氧化钨制备柠檬酸三丁酯的方法
EP3760608A1 (de) 2019-07-05 2021-01-06 Röhm GmbH Verfahren zur herstellung von alkylmethacrylaten und optional methacrylsäure
EP3798206A1 (de) 2019-09-25 2021-03-31 Röhm GmbH Verfahren zur herstellung von alkylmethacrylaten mit verbesserter wasser- und säureführung
EP3943189A1 (de) 2020-07-24 2022-01-26 Röhm GmbH Verfahren zur herstellung eines mischoxidträgers sowie dessen weitere veredlung zu einem katalysator zur herstellung von alkylmethacrylaten
KR20240014487A (ko) 2021-05-28 2024-02-01 룀 게엠베하 알킬 메타크릴레이트를 제조하기 위한 반응기 및 방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3917676A (en) * 1970-12-30 1975-11-04 Toyo Soda Mfg Co Ltd Process for producing allylacetate
JPS584704B2 (ja) * 1978-08-09 1983-01-27 旭化成株式会社 メタクリル酸メチルの製造方法
DE2918026C2 (de) * 1979-05-04 1982-07-15 Triumph-Adler Aktiengesellschaft für Büro- und Informationstechnik, 8500 Nürnberg Vorrichtung zum Einstellen eines Typenträgers z. B. einer Schreibmaschine
GB2070601B (en) * 1980-03-05 1984-05-23 Asahi Chemical Ind Producing unsaturated carboxylic esters
JPS56150043A (en) * 1980-04-22 1981-11-20 Asahi Chem Ind Co Ltd Preparation of unsaturated carboxylic acid ester
DE3210708A1 (de) * 1982-03-24 1983-10-06 Basf Ag Katalysator und seine verwendung zur herstellung von methylmethacrylat
DE3306907A1 (de) * 1983-02-26 1984-08-30 Basf Ag, 6700 Ludwigshafen Katalysator und seine verwendung zur herstellung von methylmethacrylat
US4906800A (en) * 1986-11-17 1990-03-06 The Standard Oil Company Procedure for imparting selectivity to hydrogenation catalysts and method for using the same
JPH0729980B2 (ja) * 1988-09-29 1995-04-05 昭和電工株式会社 酢酸アリルの製造方法
JP3258354B2 (ja) * 1991-11-28 2002-02-18 三井化学株式会社 カルボン酸エステルの製造法

Also Published As

Publication number Publication date
MY119415A (en) 2005-05-31
US6040472A (en) 2000-03-21
WO1997003751A1 (fr) 1997-02-06
KR19990014874A (ko) 1999-02-25
ATE269755T1 (de) 2004-07-15
CN1184439A (zh) 1998-06-10
ATE280750T1 (de) 2004-11-15
TW348073B (en) 1998-12-21
EP0857512A1 (de) 1998-08-12
DE69633753T2 (de) 2005-12-22
HK1009412A1 (en) 1999-09-10
EP1361206B1 (de) 2004-10-27
KR100259743B1 (ko) 2000-07-01
EP0857512B1 (de) 2004-06-23
DE69632788T2 (de) 2005-07-14
EP0857512A4 (de) 2000-01-05
CN1086313C (zh) 2002-06-19
EP1361206A1 (de) 2003-11-12
USRE38283E1 (en) 2003-10-21
DE69633753D1 (de) 2004-12-02

Similar Documents

Publication Publication Date Title
DE69632788D1 (de) Katalysator zur herstellung von carbonsäureestern
CA2305564A1 (en) Process for the preparation of optically active 2-[6-(hydroxymethyl)-1,3-dioxan-4-yl]acetic acid derivatives
ATE374257T1 (de) Herstellung von carbonsäure-zuckern
ATE161819T1 (de) Verfahren zur herstellung von carbonsäureestern aus carbonsäurehalogeniden und alkoholen
WO1991011527A3 (en) Production of esters of lactic acid, esters of acrylic acid, lactic acid and acrylic acid
EP0346845A3 (de) Verfahren zur Herstellung von Rohrzucker-Fettsäurepolyester
EP0606621A3 (de) Alkohol/Aldehyd-Dehydrogenase.
Rajapaksa et al. A stereocontrolled synthesis of antineoplastic Podophyllum lignans
AU8173987A (en) Process for producing effervescent granulates, effervescent granulates thus produced and their use
CA2187709A1 (en) Process for decomposing cycloalkyl hydroperoxide
CA2329258A1 (en) Improved process for producing pure carboxylic acids
CA2067382A1 (en) Production of glyoxylic acid from glycolic acid
ATE156134T1 (de) Verfahren zur herstellung von alkylpolyglukosiden
HU9201612D0 (en) Method for producing tetrahydro-phthalic anhydride applicable among others for catalytic hydrogenizing
TW200508184A (en) Production processes of lower aliphatic acid alkenyl esters and enol
JP2841696B2 (ja) シクロヘキサノンとシクロヘキサノールの製造方法
EP0805211A3 (de) Verfahren zur Herstellung von optisch-aktiven Aminopolycarbonsäuren
EP0528498A3 (de) Katalysatoren zur Herstellung von Kohlensäure-Ester und Verfahren zur Herstellung von Kohlensäureester
KR960700994A (ko) 아릴 에스테르 제조용 촉매와 상기 촉매를 사용하는 아릴 에스테르의 제조방법
RU96114763A (ru) Способ получения глюконата кальция
RU94038633A (ru) Способ приготовления катализатора
JPS5339283A (en) Reactivating method for catalyst
JPS577442A (en) Production of malonic diester
JPS53149912A (en) Preparation of alkoxyalkylidene compounds
RU94035684A (ru) Способ синтеза сложных высших виниловых эфиров из этидена и высших карбоновых кислот

Legal Events

Date Code Title Description
8364 No opposition during term of opposition