DE3687050D1 - Herstellung von methylmethacrylat. - Google Patents
Herstellung von methylmethacrylat.Info
- Publication number
- DE3687050D1 DE3687050D1 DE8686108268T DE3687050T DE3687050D1 DE 3687050 D1 DE3687050 D1 DE 3687050D1 DE 8686108268 T DE8686108268 T DE 8686108268T DE 3687050 T DE3687050 T DE 3687050T DE 3687050 D1 DE3687050 D1 DE 3687050D1
- 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 - Lifetime
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)
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 true DE3687050D1 (de) | 1992-12-10 |
DE3687050T2 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)
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 |
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 |
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)
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 | ||
GB1452252A (en) * | 1974-01-25 | 1976-10-13 | Monsanto Co | Inhibitor mixtures for unsaturated carboxylic esters |
-
1985
- 1985-06-18 US US06/746,073 patent/US4668818A/en not_active Expired - Lifetime
-
1986
- 1986-06-17 CA CA000511744A patent/CA1281035C/en not_active Expired - Lifetime
- 1986-06-17 JP JP61139412A patent/JPH0768166B2/ja not_active Expired - Lifetime
- 1986-06-18 EP EP86108268A patent/EP0206230B1/de not_active Expired
- 1986-06-18 DE DE8686108268T patent/DE3687050T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0206230A3 (en) | 1989-02-01 |
JPH0768166B2 (ja) | 1995-07-26 |
EP0206230B1 (de) | 1992-11-04 |
EP0206230A2 (de) | 1986-12-30 |
DE3687050T2 (de) | 1993-05-27 |
CA1281035C (en) | 1991-03-05 |
US4668818A (en) | 1987-05-26 |
JPS61291543A (ja) | 1986-12-22 |
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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 |