BR9404473A - Processo de alto rendimento para a produção de ésteres de ácido metacrílico - Google Patents

Processo de alto rendimento para a produção de ésteres de ácido metacrílico

Info

Publication number
BR9404473A
BR9404473A BR9404473A BR9404473A BR9404473A BR 9404473 A BR9404473 A BR 9404473A BR 9404473 A BR9404473 A BR 9404473A BR 9404473 A BR9404473 A BR 9404473A BR 9404473 A BR9404473 A BR 9404473A
Authority
BR
Brazil
Prior art keywords
production
methacrylic acid
acid esters
high performance
performance process
Prior art date
Application number
BR9404473A
Other languages
English (en)
Inventor
John Carroll Dobson
Original Assignee
Rohm & Haas
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
Application filed by Rohm & Haas filed Critical Rohm & Haas
Publication of BR9404473A publication Critical patent/BR9404473A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/18—Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group
    • C07C67/20—Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group from amides or lactams
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/317—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
    • C07C67/327—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups by elimination of functional groups containing oxygen only in singly bound form

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
BR9404473A 1993-12-02 1994-11-16 Processo de alto rendimento para a produção de ésteres de ácido metacrílico BR9404473A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/160,697 US5393918A (en) 1993-12-02 1993-12-02 High yield process for the production of methacrylic acid esters

Publications (1)

Publication Number Publication Date
BR9404473A true BR9404473A (pt) 1995-07-25

Family

ID=22578043

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9404473A BR9404473A (pt) 1993-12-02 1994-11-16 Processo de alto rendimento para a produção de ésteres de ácido metacrílico

Country Status (13)

Country Link
US (1) US5393918A (pt)
EP (1) EP0656343B1 (pt)
JP (1) JP3860234B2 (pt)
KR (1) KR100411499B1 (pt)
CN (1) CN1041410C (pt)
BR (1) BR9404473A (pt)
CA (1) CA2135438A1 (pt)
CZ (1) CZ303494A3 (pt)
DE (1) DE69403883T2 (pt)
ES (1) ES2104288T3 (pt)
RU (1) RU2131867C1 (pt)
SG (1) SG81884A1 (pt)
TW (1) TW319774B (pt)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9802662D0 (en) * 1998-02-10 1998-04-01 Ici Plc Unsaturated compounds
ATE220657T1 (de) 1998-11-04 2002-08-15 Rohm & Haas Verfahren zum herstellen mit grosser ausbeute von methylmethacrylat oder methacrylsäure
EP1186592A1 (en) * 2000-09-11 2002-03-13 Mitsubishi Gas Chemical Company, Ltd. Production of methacrylates
TWI254648B (en) * 2002-05-01 2006-05-11 Rohm & Haas Process for manufacturing high purity methacrylic acid
ZA200303241B (en) * 2002-05-01 2003-11-04 Rohm & Haas Improved process for methacrylic acid and methcrylic acid ester production.
CN100584822C (zh) * 2004-04-02 2010-01-27 西巴特殊化学水处理有限公司 由α或β-羟基羧酸制备丙烯酸衍生物
DE102006058251A1 (de) * 2006-12-08 2008-06-12 Evonik Röhm Gmbh Verfahren und Vorrichtung zur Herstellung von Methacrylsäurealkylestern
DE102006060161A1 (de) * 2006-12-18 2008-06-26 Evonik Röhm Gmbh Verfahren zur adsorptiven Aufreinigung von Methacrylsäurealkylestern
JP5432852B2 (ja) * 2009-09-30 2014-03-05 ローム アンド ハース カンパニー メタクリル酸メチルの精製によって生じる流れから価値のある化合物を回収する方法
SG189244A1 (en) 2010-10-07 2013-05-31 Rohm & Haas Process for production of methacrylic acid ester
DE102011076642A1 (de) * 2011-05-27 2012-11-29 Evonik Röhm Gmbh Verfahren zur Herstellung von Methacrylsäure
CN103906581B (zh) 2011-09-27 2016-03-30 罗门哈斯公司 清洁(甲基)丙烯酸酯处理槽的方法
WO2013184345A1 (en) 2012-06-04 2013-12-12 Rohm And Haas Company Process for production of methacrylic acid esters
WO2014051971A1 (en) * 2012-09-28 2014-04-03 Rohm And Haas Company Process for producing mma and/or maa from acetone cyanohydrin and sulfuric acid
CN103130671B (zh) * 2013-03-28 2015-06-17 重庆紫光化工股份有限公司 一种清洁的甲基丙烯酰胺的制备和提纯方法
EP3013471B1 (en) * 2013-06-26 2017-12-27 Rohm and Haas Company Process for production of methacrylic acid esters
AU2015332509B2 (en) 2014-10-14 2020-05-21 Gevo, Inc. Methods for conversion of ethanol to functionalized lower hydrocarbons and downstream hydrocarbons
CN111936452B (zh) 2018-01-04 2024-05-03 吉沃公司 经非均相催化剂将杂醇油混合物改质为更高价值的可再生化学品
US20230399286A1 (en) 2020-10-23 2023-12-14 Röhm Gmbh Improved process for preparing methyl methacrylate and/or methacrylic acid by reduced back mixing during conversion
CN116490488A (zh) 2020-10-23 2023-07-25 罗姆化学有限责任公司 通过减少干扰性副产物而优化的制备甲基丙烯酸烷基酯的方法
JP2023547392A (ja) 2020-10-23 2023-11-10 レーム・ゲーエムベーハー 不要な副産物の低減によるメタクリル酸（ｍａｓ）および／またはアルキルメタクリレートの最適化された製造方法
WO2023117754A1 (de) 2021-12-23 2023-06-29 Röhm Gmbh Verfahren zur herstellung von alkylmethacrylaten mit verbesserter ausbeute und verminderten emissionen flüchtiger organischer verbindungen
WO2023169810A1 (de) 2022-03-11 2023-09-14 Röhm Gmbh Verfahren zur herstellung von alpha-hydroxyisobuttersäuremethylester und dessen anwendung in der elektronik-industrie

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416756A (en) * 1941-10-23 1947-03-04 Du Pont Continuous production of esters of methacrylic acid
US2786739A (en) * 1954-05-10 1957-03-26 Allied Chem & Dye Corp Continuous process for the production of methacrylic acid esters and ammonium sulphate
US3027328A (en) * 1958-12-09 1962-03-27 Degussa Process for the preparation of acetonecyanohydrin/sulfuric acid mixtures
JPS5767534A (en) * 1980-10-16 1982-04-24 Mitsui Toatsu Chem Inc Preparation of alpha,beta-unsaturated carboxylic ester and alpha,beta-unsaturated carboxylic acid
US4529816A (en) * 1984-02-13 1985-07-16 E. I. Du Pont De Nemours And Company Process for producing alkyl methacrylates
ES2012539A6 (es) * 1987-08-20 1990-04-01 Du Pont Procedimiento para la produccion de acido metacrilico y sus esteres dealquilo.
JP2727618B2 (ja) * 1989-01-26 1998-03-11 三菱瓦斯化学株式会社 不飽和カルボン酸エステルの製造方法
JP2778131B2 (ja) * 1989-07-14 1998-07-23 三菱瓦斯化学株式会社 メタクリル酸メチルの製造方法
JP2884638B2 (ja) * 1989-11-28 1999-04-19 三菱瓦斯化学株式会社 不飽和カルボン酸エステルの製造法
JP2884639B2 (ja) * 1989-11-28 1999-04-19 三菱瓦斯化学株式会社 不飽和カルボン酸エステルの製造法
JPH03264551A (ja) * 1990-03-15 1991-11-25 Kuraray Co Ltd メタクリル酸メチルの回収方法

Also Published As

Publication number Publication date
EP0656343B1 (en) 1997-06-18
EP0656343A1 (en) 1995-06-07
TW319774B (pt) 1997-11-11
RU94042228A (ru) 1996-10-10
US5393918A (en) 1995-02-28
JP3860234B2 (ja) 2006-12-20
KR950017904A (ko) 1995-07-20
CZ303494A3 (en) 1995-11-15
SG81884A1 (en) 2001-07-24
CA2135438A1 (en) 1995-06-03
CN1041410C (zh) 1998-12-30
JPH07196576A (ja) 1995-08-01
ES2104288T3 (es) 1997-10-01
DE69403883T2 (de) 1998-02-12
DE69403883D1 (de) 1997-07-24
KR100411499B1 (ko) 2004-03-20
RU2131867C1 (ru) 1999-06-20
CN1109865A (zh) 1995-10-11

Similar Documents

Publication Publication Date Title
BR9404473A (pt) Processo de alto rendimento para a produção de ésteres de ácido metacrílico
BR9502786A (pt) Processo para a produção de ácido acético de alta pureza
BR9403964A (pt) Processo aperfeiçoado para a produção de ácido tereftálico
BR9706621A (pt) Processo de carbonilação catalisado por irídio para a produção de ácido acético
BR9706783A (pt) Processo de carbonilação catalisado por irídio para a produção de ácido acético
BR9706698A (pt) Processo de carbonilação catalisado por irídio para a produção de ácido acético
BR9703409A (pt) Processo para a preparação contínua de ésteres alquílicos de ácido (met) acrílico
BR9305996A (pt) Processo para a produção de isomeros de ácidos benzenodicarboxilicos com elevado grau de pureza
BR9804243B1 (pt) processo para produÇço de Ácido acrÍlico.
BR9707639A (pt) Processo para a produção de um ácido carboxílico aromático
BR9406590A (pt) Processo para a produção de gelatina
BR9005296A (pt) Processo para a hidroformilacao de uma olefina
BR9708119A (pt) Processo de carbonilação catalisado por iridio para produção de ácido carboxilico
BR9601031A (pt) Processo para a purificação de àcido acético
BR9608282A (pt) Processo para a produção de uma hidroxialamida
BR9605181A (pt) Processo para a produção de ácido acético
PT94188A (pt) Processo para a purificacao de acidos aminometilenofosfonicos
BR9302950A (pt) Processo para a producao de polifenil poliisocianatos de polimetileno
BR9406201A (pt) Processo para a produção de difluoro-metano
PT903336E (pt) Processo utilizando um acido fraco para a producao de dinitrotolueno
BR9610807A (pt) Processo para fabricação de uma company
BR9612235A (pt) Processo para a obtenção de ácido 2-hidróxi-4-metiltiobutírico (mha)
BR9203799A (pt) Processo para a producao de diritromicina
BR9201894A (pt) Processo de uma etapa para a producao de siloxanas
BR9401308A (pt) Processo para a produção de derivados de fenol ortoisopropilatados

Legal Events

Date Code Title Description
EE Request for examination
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 14A E 15A ANUIDADES.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 2058 DE 15/06/2010 E AO NAO RECOLHIMENTO DA 16A, 17A, 18A E 19A ANUIDADES.