Polyalkylene glycol-based poly(ester-amide) polymers,...

Details Polyalkylene glycol-based poly(ester-amide) polymers,... Polyalkylene glycol-based poly(ester-amide) polymers,...

2008-09-16

2011-11-15

Seidleck, James J (Department: 1765)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

C528S332000, C528S271000

Reexamination Certificate

active

08058386

ABSTRACT:
Polyether poly(ester-amide) block copolymer having a softening point between 60° C. and 180° C., formed from reaction mixtures comprising a diacid, a poly(alkyleneoxy)diamine, and a poly(alkyleneoxy)polyol, wherein said diacid is a cyclohexane dicarboxylic acid; or formed from reaction mixtures comprising a diacid, a short chain aliphatic diamine having 2-6 carbons, and a poly(alkyleneoxy)polyol. Methods for making and using said block copolymers, compositions and articles comprising said block copolymers.

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Perkins, Carol: Lai, Griffin Hydrocarbon-Terminated Polyether-Polyamide Block Copolymers in Personal Car and Other Products IP.COM IPCOM000012564D May 14, 2003.

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