IP Library › Granted Patent US 4,514,525
Granted Patent Utility
US 4,514,525 · App. 05/665,527

Process for preparing smoke-retardant polyisocyanurate foam

Inventors: Kaneyoshi Ashida, Masaaki Ohtani, Shoichi Ohkubo
Patented Case View Patent ↗
Granted: Apr 30, 1985 Filed: Mar 10, 1976
Inventors
Kaneyoshi Ashida
Masaaki Ohtani
Shoichi Ohkubo
Assignee (at issue)
Mitsubishi Chemical Industries, Ltd.

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Quick Facts
Patent No.
US 4,514,525
App. No.
05/665,527
Filed
1976-03-10
Granted
1985-04-30
Kind
A