Title:
【発明の名称】ホスゲンと二価フェノールの反応生成物の製造方法
Document Type and Number:
Japanese Patent JPH01500670
Kind Code:
A
Abstract:
A method is provided for making reaction products of phosgene and dihydric phenol under interfacial reaction conditions. The dihydric phenol such as BPA is introduced into the reactor in the form of a stable suspension which reduces phosgene hydrolysis, minimizes phosgene escape and effects improved BPA metering into the reactor.
Inventors:
Coskey, Philip George
Silva, James Manio
Phoebe, Thomas Joseph
Silva, James Manio
Phoebe, Thomas Joseph
Application Number:
JP50555287A
Publication Date:
March 09, 1989
Filing Date:
August 28, 1987
Export Citation:
Assignee:
GENERAL ELECTRIC COMPANY
International Classes:
C07C67/00; C07C69/96; C07C313/00; C08G64/24; C07C68/02; (IPC1-7): C07C68/02; C07C69/96; C07C147/10; C07C149/36
Attorney, Agent or Firm:
Tokunji Ikunuma