BR112013030145A2 - processo para preparação de ácido metacrílico - Google Patents

processo para preparação de ácido metacrílico

Info

Publication number
BR112013030145A2
BR112013030145A2 BR112013030145A BR112013030145A BR112013030145A2 BR 112013030145 A2 BR112013030145 A2 BR 112013030145A2 BR 112013030145 A BR112013030145 A BR 112013030145A BR 112013030145 A BR112013030145 A BR 112013030145A BR 112013030145 A2 BR112013030145 A2 BR 112013030145A2
Authority
BR
Brazil
Prior art keywords
methacrylic acid
preparation
preparing
hydrolysis
relates
Prior art date
Application number
BR112013030145A
Other languages
English (en)
Other versions
BR112013030145B1 (pt
Inventor
Dirk Bröll
Hermann Siegert
Horst Hiltner
Thomas Krauss
Original Assignee
Evonik Roehm Gmbh
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 Evonik Roehm Gmbh filed Critical Evonik Roehm Gmbh
Publication of BR112013030145A2 publication Critical patent/BR112013030145A2/pt
Publication of BR112013030145B1 publication Critical patent/BR112013030145B1/pt

Links

Classifications

    • 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
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/06—Preparation of carboxylic acid amides from nitriles by transformation of cyano groups into carboxamide groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • C07C57/03—Monocarboxylic acids
    • C07C57/04—Acrylic acid; Methacrylic acid
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Abstract

resumo patente de invenção: "processo para preparação de ácido metacrílico". a presente invenção refere-se a um processo para preparação de ácido metacrílico baseado na hidrólise de ésteres metacrílicos.
BR112013030145-7A 2011-05-27 2012-04-24 Processo para preparação de ácido metacrílico BR112013030145B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011076642A DE102011076642A1 (de) 2011-05-27 2011-05-27 Verfahren zur Herstellung von Methacrylsäure
DE102011076642.1 2011-05-27
PCT/EP2012/057421 WO2012163600A1 (de) 2011-05-27 2012-04-24 Verfahren zur herstellung von methacrylsäure

Publications (2)

Publication Number Publication Date
BR112013030145A2 true BR112013030145A2 (pt) 2016-09-27
BR112013030145B1 BR112013030145B1 (pt) 2019-07-09

Family

ID=46001262

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013030145-7A BR112013030145B1 (pt) 2011-05-27 2012-04-24 Processo para preparação de ácido metacrílico

Country Status (13)

Country Link
US (1) US8791296B2 (pt)
EP (1) EP2714640B1 (pt)
JP (1) JP2014520097A (pt)
KR (1) KR101934604B1 (pt)
CN (2) CN103562171A (pt)
BR (1) BR112013030145B1 (pt)
DE (1) DE102011076642A1 (pt)
MX (1) MX2013013779A (pt)
RU (1) RU2602080C2 (pt)
SG (1) SG195111A1 (pt)
TW (1) TWI558687B (pt)
WO (1) WO2012163600A1 (pt)
ZA (1) ZA201308894B (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103145576B (zh) * 2013-03-28 2015-06-17 重庆紫光化工股份有限公司 一种环境友好的甲基丙烯酰胺的制备和提纯方法
FR3008692B1 (fr) * 2013-07-19 2016-12-23 Arkema France Installation et procede pour la preparation de cyanure d'hydrogene
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
EP3212603B1 (en) * 2014-10-27 2020-11-25 Rohm and Haas Company Reduced fouling process for the production of methyl methacrylate
BR112017007928B1 (pt) 2014-10-27 2022-05-17 Rohm And Haas Company Processo para a produção de metacrilato de metila
EP3144291A1 (de) 2015-09-16 2017-03-22 Evonik Röhm GmbH Synthese von methacrylsäure aus auf methacrolein basierenden alkylmethacrylat
FR3080623B1 (fr) * 2018-04-27 2021-01-08 Arkema France Valorisation de resine (meth)acrylique par depolymerisation et hydrolyse
CN111909680A (zh) * 2020-08-14 2020-11-10 四川省威沃敦化工有限公司 一种高温碳酸盐岩压裂酸化用自生酸及前置液体系
CN117043132A (zh) 2021-03-15 2023-11-10 罗姆化学有限责任公司 通过甲基丙烯酸甲酯的催化水解连续制备甲基丙烯酸的新方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1191367B (de) 1960-03-16 1965-04-22 Kalk Chemische Fabrik Gmbh Verfahren zur Herstellung von alpha, beta-ungesaettigten Carbonsaeuren aus alpha-Oxycarbonsaeuren
CH430691A (de) 1963-09-17 1967-02-28 Lonza Ag Verfahren zur Herstellung von Methacrylverbindungen
US3562320A (en) 1967-04-25 1971-02-09 Escambia Chem Corp Process for producing methacrylic acid
JPS502489B1 (pt) * 1969-05-22 1975-01-27
DE2226829A1 (de) * 1972-06-02 1973-12-20 Knapsack Ag Verfahren zur herstellung von acrylsaeureestern
US4529816A (en) * 1984-02-13 1985-07-16 E. I. Du Pont De Nemours And Company Process for producing alkyl methacrylates
US4668818A (en) * 1985-06-18 1987-05-26 E. I. Du Pont De Nemours And Company Methyl methacrylate production
DE3933207A1 (de) 1989-10-05 1991-04-18 Degussa Verfahren zur reinigung von roh-cyanhydrinen mit 3 bis 6 kohlenstoffatomen
JPH03261728A (ja) * 1990-03-12 1991-11-21 Idemitsu Petrochem Co Ltd カルボン酸の製造方法
JP2959121B2 (ja) 1990-11-28 1999-10-06 三菱瓦斯化学株式会社 メタクリル酸の製造法
US5393918A (en) * 1993-12-02 1995-02-28 Rohm And Haas Company High yield process for the production of methacrylic acid esters
DE19918246A1 (de) 1999-04-22 2000-10-26 Degussa Verfahren zur Herstellung von Acetoncyanhydrin
EP1352891A1 (en) 2002-04-12 2003-10-15 Oleon A method for the direct hydrolysis of fatty acid esters to the corresponding fatty acids
ZA200303241B (en) * 2002-05-01 2003-11-04 Rohm & Haas Improved process for methacrylic acid and methcrylic acid ester production.
WO2006054643A1 (ja) 2004-11-17 2006-05-26 Asahi Kasei Chemicals Corporation 酸化触媒および酸化方法
DE102006058250A1 (de) 2006-12-08 2008-06-12 Evonik Röhm Gmbh Integriertes Verfahren und Vorrichtung zur Herstellung von Methacrylsäureestern aus Aceton und Blausäure
DE102006058251A1 (de) * 2006-12-08 2008-06-12 Evonik Röhm Gmbh Verfahren und Vorrichtung zur Herstellung von Methacrylsäurealkylestern
RU89631U1 (ru) 2009-08-12 2009-12-10 Открытое акционерное общество Конструкторско-производственное предприятие "Авиамотор" Устройство для привода исполнительного механизма

Also Published As

Publication number Publication date
BR112013030145B1 (pt) 2019-07-09
SG195111A1 (en) 2013-12-30
US20140051886A1 (en) 2014-02-20
CN103562171A (zh) 2014-02-05
EP2714640A1 (de) 2014-04-09
MX2013013779A (es) 2014-01-08
RU2602080C2 (ru) 2016-11-10
EP2714640B1 (de) 2018-08-29
DE102011076642A1 (de) 2012-11-29
US8791296B2 (en) 2014-07-29
WO2012163600A1 (de) 2012-12-06
JP2014520097A (ja) 2014-08-21
RU2013158047A (ru) 2015-07-20
TWI558687B (zh) 2016-11-21
CN109678692A (zh) 2019-04-26
TW201311619A (zh) 2013-03-16
ZA201308894B (en) 2014-08-27
KR101934604B1 (ko) 2019-01-02
KR20140027306A (ko) 2014-03-06

Similar Documents

Publication Publication Date Title
BR112013030145A2 (pt) processo para preparação de ácido metacrílico
BR112013022335A2 (pt) processo para a produção de alquil ésteres do ácido graxo
BR112015004121A2 (pt) processo
IL227754B (en) Analogues of 4-hydroxybutyric acid with deuterium
BR112013017319A2 (pt) processo para produção de alquil ésteres de ácidos graxos
BRPI1012744A2 (pt) "processo contínuo para preparação de ésteres de ácidos carboxílicos alifáticos"
BR112013014814A2 (pt) processo para produzir ácido acético
BRPI0817747A8 (pt) Processo para a preparação de derivados de ácido 2-di-halogenoacil-3-amino-acrílico
BR112013031120A2 (pt) processo para a preparação de ácido fórmico
UY31523A1 (es) Procedimiento para la preparacion de esteres alquilicos de acidos grasos
BR112014001772A2 (pt) processo para a preparação de 1,4-ciclo-hexanodimetanol a partir de ácido
BR112014010061A2 (pt) processo para a preparação de n-alquil(met)acrila-midas
BR112013033537A2 (pt) processo para a síntese de ácidos omega-funcionalizados a partir de ácidos graxos ou ésteres
BR112013028789A2 (pt) processo
BR112013020966A2 (pt) processo em escala comercial para produção do prrsv
BR112014009760A8 (pt) análogos de ácido siálico
BR112014009266A8 (pt) processos encurtado, biocatalítico e para preparação de ácidos isoxazolil-metóxi-nicotínicos
FR2994973B1 (fr) Procede de production d'acide methacrylique
BR112014000889A2 (pt) tratamento para hipoxia
FR2974803B1 (fr) Procede de preparation d'un acide glycolique partiellement purifie
BR112015015373A2 (pt) métodos de integração da produção de aluminoxano na produçâo de catalisador
BR112014010037A2 (pt) processo para a produção e estabilização de composi-ções de policarbonato modificadas por impacto usando soluções diluídas de compostos ácidos
BR112015009139A2 (pt) processo de produção de soforose a partir de soforolipídios
BR112015021151A2 (pt) processo para a preparação de (2s,5r)-ácido sulfúrico mono-{[(4-aminopiperidin-4-il)carbonil]-7-oxo-1,6-diazabiciclo[3.2.1]-oct-6-il} éster
BR112014002712A2 (pt) método para tratamento da esquizofrenia

Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 24/04/2012, OBSERVADAS AS CONDICOES LEGAIS. (CO) 20 (VINTE) ANOS CONTADOS A PARTIR DE 24/04/2012, OBSERVADAS AS CONDICOES LEGAIS

B25D Requested change of name of applicant approved

Owner name: ROEHM GMBH (DE)

B25G Requested change of headquarter approved

Owner name: ROEHM GMBH (DE)

B25G Requested change of headquarter approved

Owner name: ROEHM GMBH (DE)

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

Free format text: REFERENTE A 12A ANUIDADE.