IP Library › Granted Patent US 4,857,595
Granted Patent Utility
US 4,857,595 · App. 07/084,603

Polymer bound hindered amine light stabilizers

Inventors: Robert T. Kazmierzak, Ronald E. MacLeay
Patented Case View Patent ↗
Granted: Aug 15, 1989 Filed: Aug 12, 1987
Inventors
Robert T. Kazmierzak
Ronald E. MacLeay
Assignee (at issue)
Pennwalt Corporation

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Quick Facts
Patent No.
US 4,857,595
App. No.
07/084,603
Filed
1987-08-12
Granted
1989-08-15
Kind
A