NO179511C - Fremgangsmåte for rensing av urent metylmetakrylat dannet fra acetoncyanhydrin - Google Patents

Fremgangsmåte for rensing av urent metylmetakrylat dannet fra acetoncyanhydrin

Info

Publication number
NO179511C
NO179511C NO930900A NO930900A NO179511C NO 179511 C NO179511 C NO 179511C NO 930900 A NO930900 A NO 930900A NO 930900 A NO930900 A NO 930900A NO 179511 C NO179511 C NO 179511C
Authority
NO
Norway
Prior art keywords
purification
carried out
methyl methacrylate
methacrylamide
methylmethacrylate
Prior art date
Application number
NO930900A
Other languages
English (en)
Norwegian (no)
Other versions
NO930900L (no
NO930900D0 (no
NO179511B (no
Inventor
Dario Giudici
Alessandro Fabris
Original Assignee
Atochem Elf Italia
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 Atochem Elf Italia filed Critical Atochem Elf Italia
Publication of NO930900D0 publication Critical patent/NO930900D0/no
Publication of NO930900L publication Critical patent/NO930900L/no
Publication of NO179511B publication Critical patent/NO179511B/no
Publication of NO179511C publication Critical patent/NO179511C/no

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)
NO930900A 1992-03-16 1993-03-11 Fremgangsmåte for rensing av urent metylmetakrylat dannet fra acetoncyanhydrin NO179511C (no)

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 NO930900L (no) 1993-09-17
NO179511B NO179511B (no) 1996-07-15
NO179511C true 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 (fi)
AT (1) ATE141253T1 (fi)
DE (1) DE69303950T2 (fi)
ES (1) ES2093298T3 (fi)
FI (1) FI106196B (fi)
IT (1) IT1257282B (fi)
NO (1) NO179511C (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57156438A (en) * 1981-03-24 1982-09-27 Mitsui Toatsu Chem Inc Preparation of methyl methacrylate

Also Published As

Publication number Publication date
ES2093298T3 (es) 1996-12-16
NO930900L (no) 1993-09-17
IT1257282B (it) 1996-01-12
FI931108A (fi) 1993-09-17
FI106196B (fi) 2000-12-15
EP0561264B1 (en) 1996-08-14
NO930900D0 (no) 1993-03-11
ITMI920602A1 (it) 1993-09-16
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
MK1K Patent expired