ITMI920602A1 - Processo migliorato per la produzione di metilmetacrilato monomero da acetoncianidrina - Google Patents
Processo migliorato per la produzione di metilmetacrilato monomero da acetoncianidrinaInfo
- Publication number
- ITMI920602A1 ITMI920602A1 IT000602A ITMI920602A ITMI920602A1 IT MI920602 A1 ITMI920602 A1 IT MI920602A1 IT 000602 A IT000602 A IT 000602A IT MI920602 A ITMI920602 A IT MI920602A IT MI920602 A1 ITMI920602 A1 IT MI920602A1
- Authority
- IT
- Italy
- Prior art keywords
- carried out
- acetoncyanidrine
- production
- methyl methacrylate
- improved process
- 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)
Priority Applications (7)
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 |
DE69303950T DE69303950T2 (de) | 1992-03-16 | 1993-03-10 | Verfahren zum Herstellen von Methylmethacrylatmonomer aus Acetoncyanhydrin |
AT93103810T ATE141253T1 (de) | 1992-03-16 | 1993-03-10 | Verfahren zum herstellen von methylmethacrylatmonomer aus acetoncyanhydrin |
EP93103810A EP0561264B1 (en) | 1992-03-16 | 1993-03-10 | Improved process for the production of methylmethacrylate monomer from acetoncyanhydrin |
ES93103810T ES2093298T3 (es) | 1992-03-16 | 1993-03-10 | Procedimiento de produccion del metacrilato de metilo monomero a partir de la cianhidrina de acetona. |
NO930900A NO179511C (no) | 1992-03-16 | 1993-03-11 | Fremgangsmåte for rensing av urent metylmetakrylat dannet fra acetoncyanhydrin |
FI931108A FI106196B (fi) | 1992-03-16 | 1993-03-12 | Menetelmä metyylimetakrylaattimonomeerin valmistamiseksi asetosyaanihydriinistä |
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 (3)
Publication Number | Publication Date |
---|---|
ITMI920602A0 ITMI920602A0 (it) | 1992-03-16 |
ITMI920602A1 true ITMI920602A1 (it) | 1993-09-16 |
IT1257282B IT1257282B (it) | 1996-01-12 |
Family
ID=11362440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI920602A IT1257282B (it) | 1992-03-16 | 1992-03-16 | Processo migliorato per la produzione di metilmetacrilato monomero da acetoncianidrina |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0561264B1 (it) |
AT (1) | ATE141253T1 (it) |
DE (1) | DE69303950T2 (it) |
ES (1) | ES2093298T3 (it) |
FI (1) | FI106196B (it) |
IT (1) | IT1257282B (it) |
NO (1) | NO179511C (it) |
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 |
DE102006058251A1 (de) * | 2006-12-08 | 2008-06-12 | Evonik Röhm Gmbh | Verfahren und Vorrichtung zur Herstellung von Methacrylsäurealkylestern |
DE102006058250A1 (de) * | 2006-12-08 | 2008-06-12 | Evonik Röhm Gmbh | Integriertes Verfahren und Vorrichtung zur Herstellung von Methacrylsäureestern aus Aceton und Blausäure |
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 |
US9067880B2 (en) | 2010-11-04 | 2015-06-30 | Rohm And Haas Company | Process for producing methyl methacrylate having reduced biacetyl content |
WO2016069251A1 (en) * | 2014-10-27 | 2016-05-06 | Rohm And Haas Company | Reduced fouling process for the production of methyl methacrylate |
CN107074723A (zh) * | 2014-10-27 | 2017-08-18 | 罗门哈斯公司 | 用于生产甲基丙烯酸甲酯的减少积垢的方法 |
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 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 DE DE69303950T patent/DE69303950T2/de 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 |
---|---|
ES2093298T3 (es) | 1996-12-16 |
NO930900L (no) | 1993-09-17 |
IT1257282B (it) | 1996-01-12 |
NO179511C (no) | 1996-10-23 |
FI931108A (fi) | 1993-09-17 |
FI106196B (fi) | 2000-12-15 |
EP0561264B1 (en) | 1996-08-14 |
NO930900D0 (no) | 1993-03-11 |
EP0561264A2 (en) | 1993-09-22 |
EP0561264A3 (en) | 1993-10-20 |
FI931108A0 (fi) | 1993-03-12 |
DE69303950D1 (de) | 1996-09-19 |
NO179511B (no) | 1996-07-15 |
DE69303950T2 (de) | 1997-02-27 |
ITMI920602A0 (it) | 1992-03-16 |
ATE141253T1 (de) | 1996-08-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950322 |