BRPI0908994A2 - Método para produção de ácido metacrílico - Google Patents

Método para produção de ácido metacrílico

Info

Publication number
BRPI0908994A2
BRPI0908994A2 BRPI0908994-2A BRPI0908994A BRPI0908994A2 BR PI0908994 A2 BRPI0908994 A2 BR PI0908994A2 BR PI0908994 A BRPI0908994 A BR PI0908994A BR PI0908994 A2 BRPI0908994 A2 BR PI0908994A2
Authority
BR
Brazil
Prior art keywords
methacrylic acid
acid production
production
methacrylic
acid
Prior art date
Application number
BRPI0908994-2A
Other languages
English (en)
Inventor
Udo Gropp
Stefanie Sohnemann
Guido Protzmann
Thomas Mertz
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 BRPI0908994A2 publication Critical patent/BRPI0908994A2/pt
Publication of BRPI0908994B1 publication Critical patent/BRPI0908994B1/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
    • C07C51/06—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid amides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
BRPI0908994-2A 2008-03-20 2009-01-13 Metacrilic acid preparation by metacrylamide reaction with water and system for its performance BRPI0908994B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102008000785.4 2008-03-20
DE102008000785A DE102008000785A1 (de) 2008-03-20 2008-03-20 Verfahren zur Herstellung von Methacrylsäure
PCT/EP2009/050294 WO2009115349A1 (de) 2008-03-20 2009-01-13 Verfahren zur herstellung von methacrylsäure

Publications (2)

Publication Number Publication Date
BRPI0908994A2 true BRPI0908994A2 (pt) 2015-08-04
BRPI0908994B1 BRPI0908994B1 (pt) 2017-11-14

Family

ID=40435800

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0908994-2A BRPI0908994B1 (pt) 2008-03-20 2009-01-13 Metacrilic acid preparation by metacrylamide reaction with water and system for its performance

Country Status (11)

Country Link
US (1) US8575388B2 (pt)
EP (1) EP2252571B1 (pt)
JP (1) JP5832283B2 (pt)
KR (1) KR101603804B1 (pt)
CN (1) CN101538197B (pt)
BR (1) BRPI0908994B1 (pt)
DE (1) DE102008000785A1 (pt)
MX (1) MX2010009949A (pt)
RU (1) RU2498974C2 (pt)
TW (1) TWI458705B (pt)
WO (1) WO2009115349A1 (pt)

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU138593A1 (ru) * 1960-10-18 1960-11-30 А.И. Серегин Непрерывный способ получени метакриловой кислоты
FR1397150A (fr) 1963-07-23 1965-04-30 Seven E Corp Appareil permettant à une personne handicapée de se lever et de marcher
DE1468944A1 (de) 1965-10-29 1968-12-19 Roehm & Haas Gmbh Verfahren zur Herstellung von Methacrylsaeure
IT1166068B (it) 1979-02-23 1987-04-29 Ballestra Chim Procedimento perfezionato per la solfonazione a film in un reattore multitubolare a reattore multitubolare atto a realizare detto procedimento
DE3040997C2 (de) * 1980-10-31 1983-07-21 Deutsche Texaco Ag, 2000 Hamburg Verfahren zur kontinuierlichen Herstellung von sek.-Butylalkohol
DE3402807C2 (de) * 1984-01-27 1986-12-18 Paul Dipl.-Ing. Bonsels Verfahren zur Oxydation von flüssigen organischen Stoffen
EP0568736A1 (en) 1992-05-06 1993-11-10 WASTE TREATMENT PATENTS & RESEARCH N.V. Method for co-processing organic wastes and spent nitric acid wash water
DE4419686A1 (de) * 1994-06-06 1995-12-07 Hoechst Ag Verfahren zur kontinuierlichen Herstellung von Terpenestern
DE69902137T2 (de) * 1998-11-04 2003-01-30 Rohm And Haas Co., Philadelphia Verfahren zum Herstellen mit grosser Ausbeute von Methylmethacrylat oder Methacrylsäure
EP1095700A1 (de) * 1999-10-29 2001-05-02 Dr. Frische GmbH Verfahren zur Durchführung einer Mehrphasenreaktion nach dem Gegenstromprinzip einer flüssigen und gasförmigen Phase und Vorrichtung zur Durchführung des Verfahrens
ZA200303241B (en) 2002-05-01 2003-11-04 Rohm & Haas Improved process for methacrylic acid and methcrylic acid ester production.
DE10260082A1 (de) * 2002-12-19 2004-07-01 Basf Ag Verfahren zur kontinuierlichen Herstellung von Isocyanaten
DE102004003003A1 (de) * 2004-01-20 2005-09-01 Basf Ag Verfahren und Vorrichtung zur kontinuierlichen Herstellung einer chemischen Verbindung
CN1712393A (zh) 2004-06-22 2005-12-28 上海制笔化工厂 一种生产甲基丙烯酸的方法
JP5021467B2 (ja) * 2004-07-01 2012-09-05 ビーエーエスエフ ソシエタス・ヨーロピア プロピレンの不均一触媒部分気相酸化によるアクロレイン、アクリル酸、またはその混合物の製造方法
US7582790B2 (en) 2004-11-24 2009-09-01 Rohm And Haas Company Process for chemical reactions involving cyanohydrins
US7511101B2 (en) * 2005-05-13 2009-03-31 Fina Technology, Inc. Plug flow reactor and polymers prepared therewith
EP1976825B1 (de) * 2006-01-13 2011-06-08 Basf Se Verfahren zur herstellung von isocyanaten
DE102006005925A1 (de) * 2006-02-06 2007-12-13 Ami-Agrolinz Melamine International Gmbh Verfahren zur Herstellung von Alkylmelaminen
DE102006058251A1 (de) 2006-12-08 2008-06-12 Evonik Röhm Gmbh Verfahren und Vorrichtung zur Herstellung von Methacrylsäurealkylestern
DE102006058250A1 (de) 2006-12-08 2008-06-12 Evonik Röhm Gmbh Integriertes Verfahren und Vorrichtung zur Herstellung von Methacrylsäureestern aus Aceton und Blausäure
DE102006058249A1 (de) 2006-12-08 2008-06-12 Evonik Röhm Gmbh Verfahren zur Herstellung von Cyanhydrinen sowie deren Verwendung bei der Herstellung von Methacrylsäurealkylestern
DE102006059513A1 (de) 2006-12-14 2008-06-19 Evonik Röhm Gmbh Verfahren zur Herstellung von Methacrylsäure alkylestern mittels azeotroper Destillation
DE102006059512A1 (de) 2006-12-14 2008-06-19 Evonik Röhm Gmbh Destillative Aufarbeitung von Acetoncyanhydrin und Verfahren zur Herstellung von Metharcylsäureesther und Nachfolgeprodukten
DE102006059511A1 (de) 2006-12-14 2008-06-19 Evonik Röhm Gmbh Verfahren zur Herstellung von Acetoncyanhydrin und dessen Folgeprodukten durch gezielte Kühlung

Also Published As

Publication number Publication date
RU2498974C2 (ru) 2013-11-20
EP2252571B1 (de) 2018-04-04
JP5832283B2 (ja) 2015-12-16
KR20100125332A (ko) 2010-11-30
RU2010142601A (ru) 2012-04-27
EP2252571A1 (de) 2010-11-24
TW201002664A (en) 2010-01-16
WO2009115349A1 (de) 2009-09-24
US8575388B2 (en) 2013-11-05
KR101603804B1 (ko) 2016-03-16
DE102008000785A1 (de) 2009-09-24
US20120004460A9 (en) 2012-01-05
BRPI0908994B1 (pt) 2017-11-14
JP2011514373A (ja) 2011-05-06
TWI458705B (zh) 2014-11-01
US20100331572A1 (en) 2010-12-30
MX2010009949A (es) 2010-09-30
CN101538197B (zh) 2014-04-09
CN101538197A (zh) 2009-09-23

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 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]
B25D Requested change of name of applicant approved
B25G Requested change of headquarter approved
B25G Requested change of headquarter approved
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 16A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2809 DE 05-11-2024 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.