IP Library › Granted Patent US 4,833,259
Granted Patent Utility
US 4,833,259 · App. 07/088,332

Light screening agents

Inventors: Gustav Erlemann, Christian Fizet, Horst Pauling
Patented Case View Patent ↗
Granted: May 23, 1989 Filed: Aug 24, 1987
Inventors
Gustav Erlemann
Christian Fizet
Horst Pauling
Assignee (at issue)
HOFFMANN-LA ROCHE INC.

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Quick Facts
Patent No.
US 4,833,259
App. No.
07/088,332
Filed
1987-08-24
Granted
1989-05-23
Kind
A