DE69505347D1 - Verfahren zum Reinigen von alpha,beta-ungesättigten Estern - Google Patents

Verfahren zum Reinigen von alpha,beta-ungesättigten Estern

Info

Publication number
DE69505347D1
DE69505347D1 DE69505347T DE69505347T DE69505347D1 DE 69505347 D1 DE69505347 D1 DE 69505347D1 DE 69505347 T DE69505347 T DE 69505347T DE 69505347 T DE69505347 T DE 69505347T DE 69505347 D1 DE69505347 D1 DE 69505347D1
Authority
DE
Germany
Prior art keywords
beta
alpha
purification
unsaturated esters
unsaturated
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69505347T
Other languages
English (en)
Other versions
DE69505347T2 (de
Inventor
William Bauer
Rita Karina Upmacis
Nelson Ivan Quiros
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohm and Haas Co
Original Assignee
Rohm and Haas Co
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 and Haas Co filed Critical Rohm and Haas Co
Publication of DE69505347D1 publication Critical patent/DE69505347D1/de
Application granted granted Critical
Publication of DE69505347T2 publication Critical patent/DE69505347T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/60—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69505347T 1995-01-11 1995-08-17 Verfahren zum Reinigen von alpha,beta-ungesättigten Estern Expired - Lifetime DE69505347T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/371,176 US5468899A (en) 1995-01-11 1995-01-11 Process for purifying α,β-unsaturated esters

Publications (2)

Publication Number Publication Date
DE69505347D1 true DE69505347D1 (de) 1998-11-19
DE69505347T2 DE69505347T2 (de) 1999-05-20

Family

ID=23462812

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69505347T Expired - Lifetime DE69505347T2 (de) 1995-01-11 1995-08-17 Verfahren zum Reinigen von alpha,beta-ungesättigten Estern

Country Status (9)

Country Link
US (1) US5468899A (de)
EP (1) EP0721932B1 (de)
JP (1) JP3830182B2 (de)
KR (1) KR100389099B1 (de)
CN (1) CN1131141A (de)
CA (1) CA2155391A1 (de)
DE (1) DE69505347T2 (de)
ES (1) ES2123918T3 (de)
TW (1) TW383301B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2721923B1 (fr) * 1994-06-30 1996-08-14 Atochem Elf Sa Procede de fabrication de methacrylate de methyle sans diacetyle
US5750772A (en) * 1997-01-30 1998-05-12 E. I. Du Pont De Nemours And Company Decolorization of hydroxy-containing methacrylate homopolymers and copolymers
EP1347959A1 (de) 2000-12-27 2003-10-01 Bayer Aktiengesellschaft Indol-derivate
JP4733275B2 (ja) * 2001-01-10 2011-07-27 三菱レイヨン株式会社 （メタ）アクリル酸エステルの精製方法
JP4942878B2 (ja) * 2001-02-07 2012-05-30 三菱レイヨン株式会社 （メタ）アクリル酸エステルの精製方法
JP6023067B2 (ja) * 2010-11-04 2016-11-09 ローム アンド ハース カンパニーＲｏｈｍ Ａｎｄ Ｈａａｓ Ｃｏｍｐａｎｙ ビアセチル含有量が低減されたメチルメタクリレートを製造する方法
CN105968012B (zh) * 2016-07-04 2019-11-08 江苏斯尔邦石化有限公司 一种mma洗涤塔酸度消除方法及用于该方法的装置
WO2022238144A1 (de) * 2021-05-10 2022-11-17 Röhm Gmbh Ungesättigte ester, enthaltend ein additiv zur reduktion und stabilisierung des gelbwertes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA653063A (en) * 1962-11-27 Celanese Corporation Of America Unsaturated ester purification
JPS5223017A (en) * 1975-08-13 1977-02-21 Toagosei Chem Ind Co Ltd Process for purification of (meth) acrylic acid or its esters
FR2478618A1 (fr) * 1980-03-18 1981-09-25 Verre Fluore Sa Nouveaux verres fluores
DE3514402A1 (de) * 1985-04-20 1986-10-23 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von (meth)acrylsaeureestern und deren verwendung
US4668818A (en) * 1985-06-18 1987-05-26 E. I. Du Pont De Nemours And Company Methyl methacrylate production
JP2640495B2 (ja) * 1988-05-25 1997-08-13 三菱レイヨン株式会社 メタクリル酸メチルの精製法

Also Published As

Publication number Publication date
EP0721932A1 (de) 1996-07-17
KR960029306A (ko) 1996-08-17
CN1131141A (zh) 1996-09-18
ES2123918T3 (es) 1999-01-16
JP3830182B2 (ja) 2006-10-04
EP0721932B1 (de) 1998-10-14
TW383301B (en) 2000-03-01
US5468899A (en) 1995-11-21
CA2155391A1 (en) 1996-07-12
JPH08193051A (ja) 1996-07-30
KR100389099B1 (ko) 2003-11-01
DE69505347T2 (de) 1999-05-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition