Title:
MEMBRANE TYPE SULFONATION AND IMPROVED PROCESS FOR MULTI STAGE NUTRALIZATION OF SULFONIC ACID AND DEVICE THEREFOR
Document Type and Number:
Japanese Patent JPS5732231
Kind Code:
A
Inventors:
GIOBANNI MORETSUCHI
SERUGIO NOE
SERUGIO NOE
Application Number:
JP10516880A
Publication Date:
February 20, 1982
Filing Date:
August 01, 1980
Export Citation:
Assignee:
BARURESUTORA CHIIMIKA SPA
International Classes:
C07B45/02; C07B31/00; C07C67/00; C07C301/00; C07C303/00; C07C303/06; C07C303/32; C07C305/02; C07C309/37; (IPC1-7): C07B13/00; C07C139/00; C07C141/02; C07C143/28