Soluble mono-alkyl stannoic acid catalyst and its use in prepari

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof

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528271, 528279, 528285, 528308, 5283086, 524783, 524784, 502102, 502150, 502170, 502172, C08G 6378, B01J 3100

Patent

active

058919856

ABSTRACT:
A soluble mono-alkyl Stannoic Acid/glycol liquid phase catalyst produced from the reaction of a mono-alkyl Stannoic Acid and a glycol at a temperature of from at least 180.degree. C., and its use in preparing high molecular weight polyester polymers.

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patent: 5153164 (1992-10-01), Mason
patent: 5162488 (1992-11-01), Mason
patent: 5416187 (1995-05-01), Kuo et al.
patent: 5663281 (1997-09-01), Brugel
patent: 5686218 (1997-11-01), Liebermann et al.

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