IP Library › Granted Patent US 4,877,856
Granted Patent Utility
US 4,877,856 · App. 07/091,000

Soft thermoplastic polyurethane for blown film application

Inventors: Dale R. Hall, Dennis J. Keller
Patented Case View Patent ↗
Granted: Oct 31, 1989 Filed: Aug 31, 1987
Inventors
Dale R. Hall
Dennis J. Keller
Assignee (at issue)
B. F. Goodrich Company

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Quick Facts
Patent No.
US 4,877,856
App. No.
07/091,000
Filed
1987-08-31
Granted
1989-10-31
Kind
A