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
NO179511B (no
NO930900L (no
NO930900D0 (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 (de)
AT (1) ATE141253T1 (de)
DE (1) DE69303950T2 (de)
ES (1) ES2093298T3 (de)
FI (1) FI106196B (de)
IT (1) IT1257282B (de)
NO (1) NO179511C (de)

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
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 (de) * 2010-11-04 2017-03-15 Rohm and Haas Company Verfahren zur herstellung von methylmethacrylat mit reduziertem biacetylgehalt
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 (de) * 2014-10-27 2020-11-25 Rohm and Haas Company Verfahren zur herstellung von methylmethacrylat mit reduzierten ablagerungen
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
IT1257282B (it) 1996-01-12
FI931108A (fi) 1993-09-17
ITMI920602A1 (it) 1993-09-16
EP0561264A2 (de) 1993-09-22
DE69303950T2 (de) 1997-02-27
NO179511B (no) 1996-07-15
NO930900L (no) 1993-09-17
ATE141253T1 (de) 1996-08-15
ES2093298T3 (es) 1996-12-16
EP0561264B1 (de) 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

Similar Documents

Publication Publication Date Title
BR0214881A (pt) Processo para a produção de ácido acrìlico
NO179511C (no) Fremgangsmåte for rensing av urent metylmetakrylat dannet fra acetoncyanhydrin
ATE57177T1 (de) Verfahren zur herstellung von (meth)akrylanhydrid.
ATE162173T1 (de) Verfahren zur herstellung von methylmethacrylat ohne diacethyl
DE69704537D1 (de) Verfahren zum Konzentrieren von Schwefelsäure
ATE14220T1 (de) Verfahren zur herstellung einer peroxidverbindung.
TW228504B (en) Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio) butyric acid manufacture
DE69601963D1 (de) Verfahren mit hoher Ausbeute zur Herstellung von Harnstoff
BR7704358A (pt) Processo para produzir acido sulfurico a partir de acido sulfurico residual que contem sulfato de ferro
ATE257145T1 (de) Verfahren zur herstellung von isobornylmethacrylat
ES2013588T3 (es) Purificacion de glioxilatos de alquilo.
DE69600144D1 (de) Verfahren zur Reinigung und Krystallisierung von Iopamidol
ATE18753T1 (de) Verfahren zur reinigung von schwefelsaeure als abfallprodukt bei der bortrifluorid-synthese.
BR9005531A (pt) Processo para producao de acrilato de atila
BR8803496A (pt) Processo para producao de acrilato de etila
ATE242759T1 (de) Verfahren zur herstellung von (meth)acrylsäureestern
ATE25242T1 (de) Verfahren zum phlegmatisieren von wasserunloeslichen peroxycarbonsaeuren.
CN116081646B (zh) 一种多级氧化高效处理氨法脱硫母液的方法
JPS5547224A (en) Production of gypsum
JPS57130964A (en) Purification of acetone cyanohydrin
TH25348A (th) กระบวนการสำหรับการเตรียมแอลคิลอิมิดาโซลิโดน (เมธ) อะคริเลต
ES2022182B3 (es) Procedimiento para la purificacion de tetraacetiletilenodiamina.
DE3768350D1 (de) Verfahren zur herstellung von anthracyclin-derivat r2ox2.
JPS5446198A (en) Purification of sulfuric acid
GB959119A (en) Process for obtaining methacrylic acid and ammonium bisulphate

Legal Events

Date Code Title Description
MK1K Patent expired