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BR9501227A - Processo para preparar um ácido carboxilico - Google Patents

Processo para preparar um ácido carboxilico

Info

Publication number
BR9501227A
BR9501227A BR9501227A BR9501227A BR9501227A BR 9501227 A BR9501227 A BR 9501227A BR 9501227 A BR9501227 A BR 9501227A BR 9501227 A BR9501227 A BR 9501227A BR 9501227 A BR9501227 A BR 9501227A
Authority
BR
Brazil
Prior art keywords
preparing
carboxylic acid
carboxylic
acid
Prior art date
Application number
BR9501227A
Other languages
English (en)
Inventor
William Bauer Jr
Robert Michael Mason
Rita Karina Upmacis
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 BR9501227A publication Critical patent/BR9501227A/pt

Links

Classifications

    • 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
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR9501227A 1994-03-28 1995-03-27 Processo para preparar um ácido carboxilico BR9501227A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/219,324 US5523480A (en) 1994-03-28 1994-03-28 Process for purifying unsaturated carboxylic acids using distillation and melt crystallization

Publications (1)

Publication Number Publication Date
BR9501227A true BR9501227A (pt) 1996-04-09

Family

ID=22818828

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9501227A BR9501227A (pt) 1994-03-28 1995-03-27 Processo para preparar um ácido carboxilico

Country Status (13)

Country Link
US (1) US5523480A (pt)
EP (1) EP0675100B1 (pt)
JP (1) JP3682085B2 (pt)
KR (1) KR100396720B1 (pt)
CN (1) CN1115752A (pt)
BR (1) BR9501227A (pt)
CA (1) CA2145245A1 (pt)
CZ (1) CZ77095A3 (pt)
DE (1) DE69521230T2 (pt)
ES (1) ES2157293T3 (pt)
RU (1) RU95104222A (pt)
SG (1) SG30329A1 (pt)
TW (1) TW320631B (pt)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19606877A1 (de) * 1996-02-23 1997-08-28 Basf Ag Verfahren zur Reinigung von Acrylsäure und Methacrylsäure
DE19740252A1 (de) * 1997-09-12 1999-03-18 Basf Ag Verfahren zur Herstellung von Acrylsäure und Methacrylsäure
DE19829477A1 (de) * 1998-07-01 2000-01-05 Basf Ag Verfahren zur Reinigung von Acrylsäure oder Methacrylsäure durch Kristallisation und Destillation
DE19833049A1 (de) 1998-07-22 2000-01-27 Basf Ag Verfahren zur Herstellung von Acrylsäure
DE19904820A1 (de) * 1999-02-05 2000-08-10 Stockhausen Chem Fab Gmbh Verfahren und Vorrichtung zur Reinigung von Stoffen mittels Kristallisation
BR0109929B1 (pt) * 2000-04-11 2012-08-07 processo para a purificaÇço de uma massa fundida de Ácido acrÍlico bruto.
JP4673958B2 (ja) * 2000-06-19 2011-04-20 株式会社日本触媒 固形物除去装置
EP1349826B1 (de) 2001-01-12 2012-06-27 Evonik Stockhausen GmbH Kontinuierliches verfahren zur herstellung und aufreinigung von (meth) acrylsäure
DE10122788A1 (de) * 2001-05-10 2002-06-06 Basf Ag Verfahren der kristallisativen Reinigung einer Roh-Schmelze wenigstens eines Monomeren
DE10301040B4 (de) * 2003-01-13 2005-07-21 Stockhausen Gmbh Aufreinigung eines Monomers durch Extraktion mit einem Phasenbildner und Kristallisation
US7393976B2 (en) * 2003-11-26 2008-07-01 Rohm And Haas Company Process for manufacturing reduced water content (meth)acrylic acid
CN1305832C (zh) * 2003-11-28 2007-03-21 三菱化学株式会社 (甲基)丙烯酸的提纯方法
JP2005247731A (ja) * 2004-03-03 2005-09-15 Mitsubishi Chemicals Corp （メタ）アクリル酸組成物及びその製造方法
JP5094459B2 (ja) * 2007-03-09 2012-12-12 ローム アンド ハース カンパニー アルカンを不飽和カルボン酸に変換するための改良法
EP2085376B1 (en) * 2008-01-30 2012-09-05 Evonik Röhm GmbH Process for preparation of high purity methacrylic acid
PL2172442T3 (pl) * 2008-10-06 2017-07-31 Sulzer Chemtech Ag Sposób i urządzenie do rozdzielania kwasów karboksylowych i/lub estrów karboksylowych
CN102282120B (zh) 2009-02-03 2015-03-04 株式会社日本触媒 (甲基)丙烯酸的制备方法
JP5318602B2 (ja) * 2009-02-03 2013-10-16 株式会社日本触媒 アクリル酸結晶の融解方法
US8536368B2 (en) 2011-10-03 2013-09-17 Celanese International Corporation Processes for the production of acrylic acids and acrylates from a trioxane feed
US8729299B2 (en) 2011-10-03 2014-05-20 Celanese International Corporation Processes for the production of acrylic acids and acrylates
US8658822B2 (en) 2011-10-03 2014-02-25 Celanese International Corporation Processes for producing acrylic acids and acrylates
US9073846B2 (en) 2013-06-05 2015-07-07 Celanese International Corporation Integrated process for the production of acrylic acids and acrylates
US9120743B2 (en) 2013-06-27 2015-09-01 Celanese International Corporation Integrated process for the production of acrylic acids and acrylates
CN117327086B (zh) * 2022-06-27 2026-01-27 中国石油化工股份有限公司 一种高纯度均苯四甲酸二酐的制备方法及得到的高纯度均苯四甲酸二酐

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT279547B (de) * 1967-04-14 1970-03-10 Buchs Metallwerk Ag Verfahren und Vorrichtung zur Trennung oder Reinigung schmelzflüssiger, flüssiger oder gelöster Stoffe durch fraktioniertes Kristallisieren
US3663375A (en) * 1970-03-31 1972-05-16 American Cyanamid Co Separation of components from a reaction product mixture of water isobutyric acid and methacrylic acid by phase separation and distillations
SU639858A1 (ru) * 1972-11-09 1978-12-30 Институт химии АН СССР Способ очистки акриловой или метакриловой кислоты
IN145684B (pt) * 1975-07-01 1979-04-21 Spie Batignolles
US4166774A (en) * 1977-12-05 1979-09-04 The Standard Oil Company Acrylic acid recovery and purification
US4230888A (en) * 1977-12-15 1980-10-28 Standard Oil Company (Ohio) Process for purification of acrylic acid by fractional crystallization
US4780568A (en) * 1984-12-14 1988-10-25 Ashland Oil, Inc. Purification of methacrylic acid from an oxydehydrogenation by crystallization
JPS62145044A (ja) * 1985-12-19 1987-06-29 Mitsui Toatsu Chem Inc メタクリル酸の精製方法
US4671857A (en) * 1986-09-26 1987-06-09 Eastman Kodak Company Method for separating methacrylic acid from isobutyric acid

Also Published As

Publication number Publication date
DE69521230D1 (de) 2001-07-19
DE69521230T2 (de) 2001-10-11
SG30329A1 (en) 1996-06-01
RU95104222A (ru) 1996-12-27
TW320631B (pt) 1997-11-21
MX9501398A (es) 1998-10-31
JPH07278045A (ja) 1995-10-24
CA2145245A1 (en) 1995-09-29
JP3682085B2 (ja) 2005-08-10
US5523480A (en) 1996-06-04
ES2157293T3 (es) 2001-08-16
CN1115752A (zh) 1996-01-31
KR100396720B1 (ko) 2003-12-31
EP0675100B1 (en) 2001-06-13
EP0675100A2 (en) 1995-10-04
KR950032057A (ko) 1995-12-20
EP0675100A3 (en) 1998-07-08
CZ77095A3 (en) 1995-11-15

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Legal Events

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FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
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B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 15A E 16A ANUIDADE(S).

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
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Free format text: REFERENTE AS 15A E 16A ANUIDADES.

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 2605 DE 08-12-2020 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.