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
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
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 (pt) |
JP (1) | JP5021116B2 (pt) |
CN (1) | CN1137079C (pt) |
BR (1) | BR9909312B1 (pt) |
DE (2) | DE19814421A1 (pt) |
MY (1) | MY120567A (pt) |
WO (1) | WO1999050222A1 (pt) |
Families Citing this family (19)
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 |
WO2000053560A1 (de) | 1999-03-06 | 2000-09-14 | Basf Aktiengesellschaft | Verfahren zur herstellung von acrylsäure |
MY122671A (en) | 1999-03-06 | 2006-04-29 | Basf Ag | Fractional condensation of a product gas mixture containing 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 |
US7592483B2 (en) | 2004-07-01 | 2009-09-22 | Basf Aktiengesellschaft | Preparation of acrolein or acrylic acid or a mixture thereof by heterogeneously catalyzed partial gas phase oxidation of propylene |
JP4732366B2 (ja) | 2004-08-02 | 2011-07-27 | エルジー・ケム・リミテッド | (メタ)アクリル酸の製造法 |
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 |
US8242308B2 (en) | 2006-09-15 | 2012-08-14 | Arkema Inc. | Process for producing acrylic acid |
MY153094A (en) | 2008-07-28 | 2014-12-31 | Basf Se | Process for separating acrylic acid present as a main constituent and glyoxal present as a by-product in a product gas mixture of a partial heterogeneously catalyzed gas phase oxidation of a c3 precursor compound of acrylic acid |
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 |
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 |
WO2015197425A1 (de) * | 2014-06-23 | 2015-12-30 | Basf Se | Vorrichtung zur zugabe von tropfen aus einer monomerlösung in einen reaktor |
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 |
KR20210038593A (ko) | 2018-07-26 | 2021-04-07 | 바스프 에스이 | 액상 p 중 존재하는 아크릴산의 원치않는 라디칼 중합의 억제 방법 |
US20230132285A1 (en) | 2020-03-26 | 2023-04-27 | Basf Se | Process for inhibiting the undesired free-radical polymerization of acrylic acid present in a liquid phase p |
Family Cites Families (4)
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 |
-
1998
- 1998-03-31 DE DE19814421A patent/DE19814421A1/de not_active Withdrawn
-
1999
- 1999-03-25 JP JP2000541132A patent/JP5021116B2/ja not_active Expired - Lifetime
- 1999-03-25 DE DE59905752T patent/DE59905752D1/de not_active Expired - Lifetime
- 1999-03-25 CN CNB998047813A patent/CN1137079C/zh not_active Expired - Lifetime
- 1999-03-25 BR BRPI9909312-0A patent/BR9909312B1/pt not_active IP Right Cessation
- 1999-03-25 WO PCT/EP1999/002036 patent/WO1999050222A1/de active IP Right Grant
- 1999-03-25 EP EP99919140A patent/EP1068174B1/de not_active Expired - Lifetime
- 1999-03-26 MY MYPI99001164A patent/MY120567A/en unknown
Also Published As
Publication number | Publication date |
---|---|
MY120567A (en) | 2005-11-30 |
DE59905752D1 (de) | 2003-07-03 |
CN1137079C (zh) | 2004-02-04 |
WO1999050222A1 (de) | 1999-10-07 |
BR9909312A (pt) | 2000-11-21 |
DE19814421A1 (de) | 1999-10-07 |
CN1296470A (zh) | 2001-05-23 |
EP1068174A1 (de) | 2001-01-17 |
EP1068174B1 (de) | 2003-05-28 |
JP2002509905A (ja) | 2002-04-02 |
JP5021116B2 (ja) | 2012-09-05 |
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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 |