Title:
CONTINUOUS METHOD FOR PURIFYING METHYL METHACRYLATE
Document Type and Number:
Japanese Patent JPS5236621
Kind Code:
A
Abstract:
PURPOSE: A method for continuous purification of methyl methacrylate (MMA) characterized in supplying water containing a polymerization inhibitor to the decanter which is equipped in the middle of the first rectification columin and simultaneously separating easily the water phase which is recycled to other processes.
Inventors:
IKEDA TADASHI
YAMAMOTO TAKAMASA
TADA TOSHIO
YOSHIZAWA KAIZAN
INOUE MASAYOSHI
OKADA KAZUYA
YAMAMOTO TAKAMASA
TADA TOSHIO
YOSHIZAWA KAIZAN
INOUE MASAYOSHI
OKADA KAZUYA
Application Number:
JP11188575A
Publication Date:
March 22, 1977
Filing Date:
September 16, 1975
Export Citation:
Assignee:
MITSUBISHI RAYON CO
International Classes:
C07C69/54; C07C67/48; C07C67/54; C07C67/62; (IPC1-7): C07C67/48; C07C69/54