NO930900L - Fremgangsmaate for fremstilling av methylmetakrylatmonomerfra acetoncyanhydrin - Google Patents
Fremgangsmaate for fremstilling av methylmetakrylatmonomerfra acetoncyanhydrinInfo
- Publication number
- NO930900L NO930900L NO93930900A NO930900A NO930900L NO 930900 L NO930900 L NO 930900L NO 93930900 A NO93930900 A NO 93930900A NO 930900 A NO930900 A NO 930900A NO 930900 L NO930900 L NO 930900L
- Authority
- NO
- Norway
- Prior art keywords
- carried out
- anhydrine
- acetoncyan
- methylmethacylate
- monomer
- Prior art date
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
- C07C67/22—Preparation of carboxylic acid esters by conversion of a group containing nitrogen into an ester group from nitriles
-
- 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
- C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI920602A IT1257282B (it) | 1992-03-16 | 1992-03-16 | Processo migliorato per la produzione di metilmetacrilato monomero da acetoncianidrina |
Publications (4)
Publication Number | Publication Date |
---|---|
NO930900D0 NO930900D0 (no) | 1993-03-11 |
NO930900L true NO930900L (no) | 1993-09-17 |
NO179511B NO179511B (no) | 1996-07-15 |
NO179511C NO179511C (no) | 1996-10-23 |
Family
ID=11362440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO930900A NO179511C (no) | 1992-03-16 | 1993-03-11 | Fremgangsmåte for rensing av urent metylmetakrylat dannet fra acetoncyanhydrin |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0561264B1 (no) |
AT (1) | ATE141253T1 (no) |
DE (1) | DE69303950T2 (no) |
ES (1) | ES2093298T3 (no) |
FI (1) | FI106196B (no) |
IT (1) | IT1257282B (no) |
NO (1) | NO179511C (no) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19803658A1 (de) * | 1998-01-30 | 1999-08-05 | Basf Ag | Verwendung von anionischen Flockungsmitteln bei der organisch-wässrigen Phasentrennung |
DE102006058250A1 (de) * | 2006-12-08 | 2008-06-12 | Evonik Röhm Gmbh | Integriertes Verfahren und Vorrichtung zur Herstellung von Methacrylsäureestern aus Aceton und Blausäure |
DE102006058251A1 (de) * | 2006-12-08 | 2008-06-12 | Evonik Röhm Gmbh | Verfahren und Vorrichtung zur Herstellung von Methacrylsäurealkylestern |
JP5432852B2 (ja) * | 2009-09-30 | 2014-03-05 | ローム アンド ハース カンパニー | メタクリル酸メチルの精製によって生じる流れから価値のある化合物を回収する方法 |
EP2635549B1 (en) * | 2010-11-04 | 2017-03-15 | Rohm and Haas Company | A process for producing methyl methacrylate having reduced biacetyl content |
JP6740220B2 (ja) * | 2014-10-27 | 2020-08-12 | ローム アンド ハース カンパニーRohm And Haas Company | 汚染が減少したメタクリル酸メチルの製造方法 |
EP3212604B1 (en) * | 2014-10-27 | 2020-11-25 | Rohm and Haas Company | Process for the production of methyl methacrylate with reduced fouling |
GB201704729D0 (en) | 2017-03-24 | 2017-05-10 | Lucite Int Uk Ltd | Method of producing methyl methacrylate or methacrylic acid |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57156438A (en) * | 1981-03-24 | 1982-09-27 | Mitsui Toatsu Chem Inc | Preparation of methyl methacrylate |
-
1992
- 1992-03-16 IT ITMI920602A patent/IT1257282B/it active IP Right Grant
-
1993
- 1993-03-10 DE DE69303950T patent/DE69303950T2/de not_active Expired - Lifetime
- 1993-03-10 AT AT93103810T patent/ATE141253T1/de not_active IP Right Cessation
- 1993-03-10 ES ES93103810T patent/ES2093298T3/es not_active Expired - Lifetime
- 1993-03-10 EP EP93103810A patent/EP0561264B1/en not_active Expired - Lifetime
- 1993-03-11 NO NO930900A patent/NO179511C/no not_active IP Right Cessation
- 1993-03-12 FI FI931108A patent/FI106196B/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO179511C (no) | 1996-10-23 |
IT1257282B (it) | 1996-01-12 |
FI931108A (fi) | 1993-09-17 |
ITMI920602A1 (it) | 1993-09-16 |
EP0561264A2 (en) | 1993-09-22 |
DE69303950T2 (de) | 1997-02-27 |
NO179511B (no) | 1996-07-15 |
ATE141253T1 (de) | 1996-08-15 |
ES2093298T3 (es) | 1996-12-16 |
EP0561264B1 (en) | 1996-08-14 |
NO930900D0 (no) | 1993-03-11 |
DE69303950D1 (de) | 1996-09-19 |
ITMI920602A0 (it) | 1992-03-16 |
FI106196B (fi) | 2000-12-15 |
EP0561264A3 (en) | 1993-10-20 |
FI931108A0 (fi) | 1993-03-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK1K | Patent expired |