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Patents
Patents Represented by Attorney Edward E. Squillante, Jr.
Patents Represented by Attorney Edward E. Squillante, Jr.
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Process for preparing macrocyclic polyester oligomers
Patent number:
5407984
Abstract:
A process for producing macrocyclic polyester oligomers from polyester linears is described and the process comprises the steps of combining polyester linears and organic solvents having tin catalysts present therein.
Type:
Grant
Filed:
August 31, 1994
Date of Patent:
April 18, 1995
Assignee:
General Electric Company
Inventors:
Daniel J. Brunelle, Tohru Takekoshi