IP Library › Granted Patent US 4,237,238
Granted Patent Utility
US 4,237,238 · App. 06/081,325

Polyisocyanurate foams based on esterified DMI oxidation residue additive

Inventors: David T. DeGuiseppi, Richard A. Kolakowski
Patented Case View Patent ↗
Granted: Dec 2, 1980 Filed: Oct 3, 1979
Inventors
David T. DeGuiseppi
Richard A. Kolakowski
Assignee (at issue)
The Upjohn Co.

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Quick Facts
Patent No.
US 4,237,238
App. No.
06/081,325
Filed
1979-10-03
Granted
1980-12-02
Kind
A