Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1997-10-01
1999-04-06
Acquah, Samuel A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
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: 5416187 (1995-05-01), Kuo et al.
patent: 5663281 (1997-09-01), Brugel
patent: 5686218 (1997-11-01), Liebermann et al.
Acquah Samuel A.
E. I. Du Pont de Nemours and Company
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