DE3687050T2 - Herstellung von methylmethacrylat. - Google Patents

Herstellung von methylmethacrylat.

Info

Publication number
DE3687050T2
DE3687050T2 DE8686108268T DE3687050T DE3687050T2 DE 3687050 T2 DE3687050 T2 DE 3687050T2 DE 8686108268 T DE8686108268 T DE 8686108268T DE 3687050 T DE3687050 T DE 3687050T DE 3687050 T2 DE3687050 T2 DE 3687050T2
Authority
DE
Germany
Prior art keywords
production
methyl methacrylate
methacrylate
methyl
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 - Fee Related
Application number
DE8686108268T
Other languages
English (en)
Other versions
DE3687050D1 (de
Inventor
Hayden Ivan Lipp
Richard Huffman Squire
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.)
ICI Acrylics Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE3687050D1 publication Critical patent/DE3687050D1/de
Application granted granted Critical
Publication of DE3687050T2 publication Critical patent/DE3687050T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/18—Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group
    • C07C67/20—Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group from amides or lactams
    • 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE8686108268T 1985-06-18 1986-06-18 Herstellung von methylmethacrylat. Expired - Fee Related DE3687050T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/746,073 US4668818A (en) 1985-06-18 1985-06-18 Methyl methacrylate production

Publications (2)

Publication Number Publication Date
DE3687050D1 DE3687050D1 (de) 1992-12-10
DE3687050T2 true DE3687050T2 (de) 1993-05-27

Family

ID=24999372

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686108268T Expired - Fee Related DE3687050T2 (de) 1985-06-18 1986-06-18 Herstellung von methylmethacrylat.

Country Status (5)

Country Link
US (1) US4668818A (de)
EP (1) EP0206230B1 (de)
JP (1) JPH0768166B2 (de)
CA (1) CA1281035C (de)
DE (1) DE3687050T2 (de)

Families Citing this family (12)

* 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
US5468899A (en) * 1995-01-11 1995-11-21 Bauer, Jr.; William Process for purifying α,β-unsaturated esters
US5750772A (en) * 1997-01-30 1998-05-12 E. I. Du Pont De Nemours And Company Decolorization of hydroxy-containing methacrylate homopolymers and copolymers
GB9724473D0 (en) * 1997-11-20 1998-01-14 Ici Plc Production of acrylate monomers
JP2001288147A (ja) * 2000-04-11 2001-10-16 Mitsubishi Rayon Co Ltd メタクリル酸メチルの精製方法
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
DE102006058251A1 (de) * 2006-12-08 2008-06-12 Evonik Röhm Gmbh Verfahren und Vorrichtung zur Herstellung von Methacrylsäurealkylestern
DE102006059513A1 (de) * 2006-12-14 2008-06-19 Evonik Röhm Gmbh Verfahren zur Herstellung von Methacrylsäure alkylestern mittels azeotroper Destillation
US9067880B2 (en) 2010-11-04 2015-06-30 Rohm And Haas Company Process for producing methyl methacrylate having reduced biacetyl content
DE102011076642A1 (de) * 2011-05-27 2012-11-29 Evonik Röhm Gmbh Verfahren zur Herstellung von Methacrylsäure
TWI433836B (zh) 2011-06-03 2014-04-11 Rohm & Haas 用於減少（甲基）丙烯酸酯純化期間之積垢之方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2042458A (en) * 1933-10-31 1936-06-02 Ici Ltd Production of esters of methacrylic acid
US2816135A (en) * 1954-03-10 1957-12-10 Monsanto Chemicals Production of esters of acrylic acid
US2890101A (en) * 1955-07-22 1959-06-09 Electro Chimie Metal Recovery of ammonium bisulphate from the distillation residues from the manufacture of acrylic acids and their esters
US2917538A (en) * 1957-12-19 1959-12-15 Dow Chemical Co Process for the production of acrylic acid esters
US3419601A (en) * 1964-03-03 1968-12-31 Du Pont Cyclic process for the production of methyl methacrylate
FR1485764A (fr) * 1966-05-14 1967-06-23 Japan Gas Chemical Co Perfectionnements aux procédés pour la préparation et pour la purification d'acrylates ou méthacrylates d'hydroxyalcoyle
JPS5033043A (de) * 1973-08-02 1975-03-31
FR2259085B1 (de) * 1974-01-25 1978-02-24 Monsanto Co

Also Published As

Publication number Publication date
JPH0768166B2 (ja) 1995-07-26
EP0206230A2 (de) 1986-12-30
DE3687050D1 (de) 1992-12-10
US4668818A (en) 1987-05-26
JPS61291543A (ja) 1986-12-22
EP0206230B1 (de) 1992-11-04
EP0206230A3 (en) 1989-02-01
CA1281035C (en) 1991-03-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ICI ACRYLICS OF CONDORD PLAZA, WILMINGTON, DEL., U

8328 Change in the person/name/address of the agent

Free format text: DERZEIT KEIN VERTRETER BESTELLT

8339 Ceased/non-payment of the annual fee