Title:
PREPARATION OF POLYESTER
Document Type and Number:
Japanese Patent JPS5262398
Kind Code:
A
Abstract:
PURPOSE: To prepare an aromatic polyester having excellent heat resistance and color tone by the use of a particular polycondensation catalyst and a phosphorus compound.
Inventors:
NAWATA KIYOSHI
Application Number:
JP13773275A
Publication Date:
May 23, 1977
Filing Date:
November 18, 1975
Export Citation:
Assignee:
TEIJIN LTD
International Classes:
C08G63/00; C08G63/78; C08G63/82; (IPC1-7): C08G63/22; C08G63/34