IP Library Granted Patent US 5,834,064
Granted Patent Utility
US 5,834,064 · App. 08/831,526

Effect coatings whose perceived color depends on the viewing angle

Inventors: Erwin Dietz, Axel Schonfeld, Willi Kreuder
Patented Case View Patent ↗
Granted: Nov 10, 1998 Filed: Apr 1, 1997
Inventors
Erwin Dietz
Axel Schonfeld
Willi Kreuder
Assignee (at issue)
Hoechst GmbH

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Quick Facts
Patent No.
US 5,834,064
App. No.
08/831,526
Filed
1997-04-01
Granted
1998-11-10
Kind
A