IP Library Granted Patent US 4,956,501
Granted Patent Utility
US 4,956,501 · App. 07/259,805

Polyesters having improved impact strength

Inventors: Ronald H. Sunseri, Michael William O'Rourke
Patented Case View Patent ↗
Granted: Sep 11, 1990 Filed: Oct 19, 1988
Inventors
Ronald H. Sunseri
Michael William O'Rourke
Assignee (at issue)
Copolymer Rubber & Chemical Corporation

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Quick Facts
Patent No.
US 4,956,501
App. No.
07/259,805
Filed
1988-10-19
Granted
1990-09-11
Kind
A