IP Library › Granted Patent US 4,328,331
Granted Patent Utility
US 4,328,331 · App. 06/255,632

Novel polyester-amides

Inventors: Augustin T. Chen, Robert G. Nelb, II, Kemal Onder
Patented Case View Patent ↗
Granted: May 4, 1982 Filed: Apr 20, 1981
Inventors
Augustin T. Chen
Robert G. Nelb, II
Kemal Onder
Assignee (at issue)
The Upjohn Co.

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Quick Facts
Patent No.
US 4,328,331
App. No.
06/255,632
Filed
1981-04-20
Granted
1982-05-04
Kind
A