Processing

Please wait...

Settings

Settings

1. WO1996006066 - PROCESS FOR PREPARING REFINED ACRYLIC ESTERS

Publication Number WO/1996/006066
Publication Date 29.02.1996
International Application No. PCT/EP1995/003246
International Filing Date 15.08.1995
Chapter 2 Demand Filed 15.03.1996
IPC
C07C 67/54 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
67Preparation of carboxylic acid esters
48Separation; Purification; Stabilisation; Use of additives
52by change in the physical state, e.g. crystallisation
54by distillation
CPC
C07C 67/54
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
67Preparation of carboxylic acid esters
48Separation; Purification; Stabilisation; Use of additives
52by change in the physical state, e.g. crystallisation
54by distillation
Y10S 203/22
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
203Distillation: processes, separatory
22Accessories
Applicants
  • SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. [NL/NL]; Carel van Bylandtlaan 30 NL-2596 HR The Hague, NL
Inventors
  • ARNOLDY, Peter; NL
  • KRAGTWIJK, Eric; NL
  • KREMERS, Antoon, Paul, Michael; NL
Priority Data
94202354.018.08.1994EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PROCESS FOR PREPARING REFINED ACRYLIC ESTERS
(FR) PROCEDE DE PREPARATION D'ESTERS ACRYLIQUES RAFFINES
Abstract
(EN)
The invention relates to a process for preparing refined acrylic esters comprising distilling an acrylic ester containing stream in the presence of a phenolic inhibitor and oxygen. The invention relates in particular to purified methyl methacrylate prepared from propyne.
(FR)
Procédé de préparation d'esters acryliques raffinés consistant à distiller un ester acrylique contenant de la vapeur en présence d'un inhibiteur phénolique et d'oxygène. L'invention concerne notamment du méthacrylate de méthyle purifié préparé à partir du propyne.
Other related publications
Latest bibliographic data on file with the International Bureau