IP Library › Granted Patent US 4,897,432
Granted Patent Utility
US 4,897,432 · App. 07/248,618

Production of foamed polymer structures

Inventors: Raymond Lee, Carroll W. Lanier, H. Eugene Broemmelsiek
Patented Case View Patent ↗
Granted: Jan 30, 1990 Filed: Sep 26, 1988
Inventors
Raymond Lee
Carroll W. Lanier
H. Eugene Broemmelsiek
Assignee (at issue)
Ethyl Corporation

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Quick Facts
Patent No.
US 4,897,432
App. No.
07/248,618
Filed
1988-09-26
Granted
1990-01-30
Kind
A