C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/202
C08G 63/18 (2006.01) C08G 63/19 (2006.01) C08G 63/672 (2006.01) C08G 63/85 (2006.01)
Patent
CA 1094243
ABSTRACT OF THE DISCLOSURE A catalytic procedure is provided for the preparation of polyesters from (1) dihydric phenols and (2) aromatic dicarboxylic acids by direct polymerization.
291109
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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