04451606 is referenced by 24 patents and cites 22 patents.

Novel nucleating agents have been discovered which are effective in polyesters, especially poly(ethylene terephthalate). The novel nucleating agents are copolymers derived from a poly(alkylene terephthalate) and a sulfonate salt.

Also provided by this invention are a process for nucleating polyesters, particularly poly(alkylene terephthalates), especially poly(ethylene terephthalate) and the compositions so produced.

Title
Copolymeric nucleating agent for polyester
Application Number
6/469076
Publication Number
4451606
Application Date
February 23, 1983
Publication Date
May 29, 1984
Inventor
Richard W Campbell
Evansville
IN, US
Agent
Edward K Welch II William F Mufatti
Assignee
General Electric Company
MA, US
IPC
C08G
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