C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
260/430, 260/426
C07F 7/28 (2006.01) C08G 63/82 (2006.01) C08G 63/83 (2006.01) C08G 63/85 (2006.01) C08G 63/87 (2006.01)
Patent
CA 1190554
ABSTRACT OF THE INVENTION The process and the catalyst used therein for producing polyesters and copolyesters, useful for making films and fibers, by the polycondensation of dicarboxylic acids and aliphatic glycols using coordinations complexes of metal halides and silicon compounds as catalysts.
416854
Johnson Gordon C.
Weinberg Kurt
Hopley William G.
Union Carbide Corporation
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