IP Library › Granted Patent US 4,975,489
Granted Patent Utility
US 4,975,489 · App. 07/369,362

Process for preparing polymer bound hindered amine light stabilizers

Inventors: Robert T. Kazmierzak, Ronald E. MacLeay
Patented Case View Patent ↗
Granted: Dec 4, 1990 Filed: Jun 21, 1989
Inventors
Robert T. Kazmierzak
Ronald E. MacLeay
Assignee (at issue)
Atochem North America, Inc.

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Quick Facts
Patent No.
US 4,975,489
App. No.
07/369,362
Filed
1989-06-21
Granted
1990-12-04
Kind
A