Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PRODUCTION OF CARBONATE COMPOUND
Document Type and Number:
Japanese Patent JPH04189824
Kind Code:
A
Abstract:
PURPOSE:To safely and directly obtain the subject compound without passing through diester compounds and using phosgene by reacting a dialkyl pyrocarbonate with bisphenols. CONSTITUTION:The objective compound is obtained by reacting a dialkyl pyrocarbonate (preferably diethyl pyrocarbonate) with bisphenols [preferably 2,2-bis(4-hydroxyphenyl)propane (bisphenol A)], preferably at 200-300 deg.C under reduced pressure for 2-10hr.

Inventors:
SHIGEMATSU KAZUYOSHI
TOGAWA FUSASHI
Application Number:
JP31610890A
Publication Date:
July 08, 1992
Filing Date:
November 22, 1990
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
IDEMITSU KOSAN CO
International Classes:
C07C68/06; C07C69/96; C08G64/20; C08G64/30; (IPC1-7): C07C68/06; C07C69/96; C08G64/30
Attorney, Agent or Firm:
Hotaka Tetsuo