BR9909312B1 - processos para separar ácido acrìlico, e para preparar um acrilato, ou uma mistura de dois ou mais do mesmo. - Google Patents

processos para separar ácido acrìlico, e para preparar um acrilato, ou uma mistura de dois ou mais do mesmo.

Info

Publication number
BR9909312B1
BR9909312B1 BRPI9909312-0A BR9909312A BR9909312B1 BR 9909312 B1 BR9909312 B1 BR 9909312B1 BR 9909312 A BR9909312 A BR 9909312A BR 9909312 B1 BR9909312 B1 BR 9909312B1
Authority
BR
Brazil
Prior art keywords
acrylate
preparing
processes
mixture
acrylic acid
Prior art date
Application number
BRPI9909312-0A
Other languages
English (en)
Portuguese (pt)
Other versions
BR9909312A (pt
Inventor
Gerhard Bolz
Gerhard Nestler
Juergen Schroeder
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 filed Critical
Publication of BR9909312A publication Critical patent/BR9909312A/pt
Publication of BR9909312B1 publication Critical patent/BR9909312B1/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
    • C07C51/42—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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BRPI9909312-0A 1998-03-31 1999-03-25 processos para separar ácido acrìlico, e para preparar um acrilato, ou uma mistura de dois ou mais do mesmo. BR9909312B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19814421A DE19814421A1 (de) 1998-03-31 1998-03-31 Verfahren zur Herstellung von Acrylsäure und Acrylsäureestern
PCT/EP1999/002036 WO1999050222A1 (de) 1998-03-31 1999-03-25 Verfahren zur herstellung von acrylsäure und acrylsäureestern

Publications (2)

Publication Number Publication Date
BR9909312A BR9909312A (pt) 2000-11-21
BR9909312B1 true BR9909312B1 (pt) 2011-05-31

Family

ID=7863128

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9909312-0A BR9909312B1 (pt) 1998-03-31 1999-03-25 processos para separar ácido acrìlico, e para preparar um acrilato, ou uma mistura de dois ou mais do mesmo.

Country Status (7)

Country Link
EP (1) EP1068174B1 (enExample)
JP (1) JP5021116B2 (enExample)
CN (1) CN1137079C (enExample)
BR (1) BR9909312B1 (enExample)
DE (2) DE19814421A1 (enExample)
MY (1) MY120567A (enExample)
WO (1) WO1999050222A1 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19851983A1 (de) 1998-11-11 2000-05-18 Basf Ag Verfahren zur kontinuierlichen Herstellung von Alkylestern der (Meth)acrylsäure
MY122671A (en) 1999-03-06 2006-04-29 Basf Ag Fractional condensation of a product gas mixture containing acrylic acid
US6498272B1 (en) 1999-03-06 2002-12-24 Basf Aktiengesellschaft Method for producing acrylic acid
JP3885486B2 (ja) * 2000-11-16 2007-02-21 東亞合成株式会社 ビニル単量体用重合防止剤組成物及び高純度（メタ）アクリル酸の製造方法
DE10063161A1 (de) * 2000-12-18 2002-06-20 Basf Ag Verfahren zum Abschrecken eines heißen (Meth)acrylsäure enthaltenden Gasgemisches
US8431743B2 (en) 2004-07-01 2013-04-30 Basf Aktiengesellschaft Preparation of acrylic acid by heterogeneously catalyzed partial gas phase oxidation of propylene
CN1930108B (zh) * 2004-08-02 2010-12-29 Lg化学株式会社 制备(甲基)丙烯酸的方法
US7705181B2 (en) 2005-03-01 2010-04-27 Basf Akiengesellschaft Process for removing methacrylic acid from liquid phase comprising acrylic acid as a main constituent and target product, and methacrylic acid as a secondary component
JP2007191435A (ja) * 2006-01-19 2007-08-02 Nippon Shokubai Co Ltd （メタ）アクリル酸の製造方法
CN101516820B (zh) 2006-09-15 2012-11-21 阿克马公司 制备丙烯酸的方法
DE102008040799A1 (de) 2008-07-28 2008-12-11 Basf Se Verfahren zur Auftrennung von in einem Produktgasgemisch einer partiellen heterogen katalysierten Gasphasenoxidation einer C3-Vorläuferverbindung der Acrylsäure als Hauptbestandteil enthaltener Acrylsäure und als Nebenprodukt enthaltenem Glyoxal
DE102008041573A1 (de) 2008-08-26 2010-03-04 Basf Se Verfahren zur Auftrennung von in einem Produktgasgemisch einer partiellen heterogen katalysierten Gasphasenoxidation einer C3-Vorläuferverbindung der Acrylsäure als Hauptbestandteil enhaltener Acrylsäure und als Nebenprodukt enthaltenem Glyoxal
KR101861855B1 (ko) 2008-07-28 2018-05-28 바스프 에스이 탄소원자 수가 ３개인 아크릴산의 전구체 화합물의 기체상 생성물 혼합물로부터 주성분으로서 함유된 아크릴산과 부산물로서 함유된 글리옥살을 분리시키는 방법
JP5169899B2 (ja) * 2009-02-19 2013-03-27 東亞合成株式会社 アクリル酸アルキルエステルの製造方法
DE102010042216A1 (de) 2010-10-08 2011-06-09 Basf Se Verfahren zur Hemmung der unerwünschten radikalischen Polymerisation von in einer flüssigen Phase P befindlicher Acrylsäure
CN106573213B (zh) * 2014-06-23 2019-11-08 巴斯夫欧洲公司 将单体溶液的液滴分散到反应器中的装置
JP6497454B2 (ja) * 2018-01-12 2019-04-10 三菱ケミカル株式会社 アクリル酸ブチルの製造方法
JP7384519B2 (ja) 2018-07-26 2023-11-21 ベーアーエスエフ・エスエー 液相ｐに存在するアクリル酸の望ましくないラジカル重合を抑制するための方法
CN115335354A (zh) 2020-03-26 2022-11-11 巴斯夫欧洲公司 抑制存在于液相p中的丙烯酸的不期望的自由基聚合的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3405172A (en) * 1962-12-19 1968-10-08 Distillers Co Yeast Ltd Preparation of acrylic acid with the prevention of formation of acrylic polymers
JPS57144237A (en) * 1981-03-04 1982-09-06 Japan Synthetic Rubber Co Ltd Preparation of methacrylic acid
US4554054A (en) * 1983-12-09 1985-11-19 Rohm And Haas Company Methacrylic acid separation
CA1316545C (en) * 1987-06-27 1993-04-20 Morimasa Kuragano Quenching process of reaction product gas containing methacrylic acid and treatment method of quenched liquid

Also Published As

Publication number Publication date
CN1137079C (zh) 2004-02-04
EP1068174B1 (de) 2003-05-28
MY120567A (en) 2005-11-30
WO1999050222A1 (de) 1999-10-07
JP2002509905A (ja) 2002-04-02
DE19814421A1 (de) 1999-10-07
BR9909312A (pt) 2000-11-21
EP1068174A1 (de) 2001-01-17
DE59905752D1 (de) 2003-07-03
CN1296470A (zh) 2001-05-23
JP5021116B2 (ja) 2012-09-05

Similar Documents

Publication Publication Date Title
BR9909312B1 (pt) processos para separar ácido acrìlico, e para preparar um acrilato, ou uma mistura de dois ou mais do mesmo.
BR9811781B1 (pt) processo para separação de ácido acrìlico ou de ácido metacrìlico a partir de uma mistura gasosa.
BR9813786B1 (pt) Processo para hidrogenar di(isononil)ftalato ou di(isodecil)ftalato ou uma mistura de dois ou mais destes
BR9910939B1 (pt) método para remover uma substáncia de um composto sólido e método para formar uma liga de dois ou mais componentes.
NO993519L (no) Fenofibrat farmasöytisk blanding som har höy biotilgjengelighet og fremgangsmÕte for fremstilling av den
DE69825856D1 (de) System zur Analyse von Tabellenbildern
AR240990A1 (es) Procedimiento para la separacion de moleculas de interes biologico,de una mezcla que las contiene."
DE60033040D1 (de) Emulsionsverfahren zur herstellung von mikropartikeln
BR9810802B1 (pt) composto, composição farmacêutica, e, processo para a preparação de um composto.
BR9804243B1 (pt) processo para produÇço de Ácido acrÍlico.
DE69927969D1 (de) Kontrollierte freisetzung von liponsäure
BR0307332A (pt) Formas de dosagem farmacêuticas de liberação controlada de um inibidor da proteìna de transferência do éster de colesterol
ID29380A (id) Penhilangan konstituen gas asam dari gas
BR0008823B1 (pt) processo para a preparação de ácido acrìlico.
AR004357A1 (es) Compuestos de 1-fenil-2-dimetilaminometil-ciclohexan-1-ol, y procedimiento de preparacion para dichos compuestos.
BR9810116B1 (pt) composição de solução e processo para sua preparação.
WO2003057698A3 (en) Spiroazacyclic compounds as monoamine receptor modulators
BR9801606B1 (pt) composto, processo para sua preparação, substáncia farmacêutica, uso do composto e processo para a produção de uma substáncia farmacêutica.
BR9710251A (pt) Processo para a preparação de ácido acrilico ou ácido metacrillico
BR9909696B1 (pt) processo para isomerizaÇço de uma corrente compreendendo etilbenzeno e xileno.
DE69925333D1 (de) Zur richtigen Ausführung von Heft- und Lochungsoperationen geeignetes Bildformgerät
BR9808037B1 (pt) mistura de sàlidos, e, processo para a preparaÇço de formulaÇÕes herbicidas.
BR9807471A (pt) Uso do composto anti-cd40l
DE69705192D1 (de) Verfahren zur Herstellung von (Meth)acrylsäure
AU2002221657A1 (en) Method and system for preventing the spread of computer viruses

Legal Events

Date Code Title Description
B07A Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]
B07A Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 31/05/2011, OBSERVADAS AS CONDICOES LEGAIS.

B25D Requested change of name of applicant approved

Owner name: BASF SE (DE)

B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 31.05.2021