Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Process of treating scrap or waste product containing solid...
Patent
1989-06-27
1990-12-11
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Process of treating scrap or waste product containing solid...
521 485, 528272, 528296, 528300, 528302, 528308, 5283081, 525444, 525448, 524601, 524605, C08J 1104
Patent
active
049771914
ABSTRACT:
A water-soluble or water-dispersible polyester resin composition, suitable for textile sizing applications, comprises a reaction product of 20-50% by weight of waste terephthalate polymer, 10-40% by weight of at least one glycol and 5-25% by weight of at least one oxyalkylated polyol. Preferred compositions also comprise 20-50% by weight of isophthalic acid. A further water-soluble or water-dispersible resin comprises a reaction product of 20-50% by weight of waste terephthalate polymer, 10-50% by weight of at least one glycol and 20-50% by weight of isophthalic acid.
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Acquah Sam
Flint Cort
Kight III John
The Seydel Companies, Inc.
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