IP Library › Granted Patent US 4,515,774
Granted Patent Utility
US 4,515,774 · App. 06/621,454

Liquid, cinnamal dialkyl malonates as sole organic sunscreens

Inventors: Donald E. Conner, Kenneth S. Klein
Patented Case View Patent ↗
Granted: May 7, 1985 Filed: Jun 18, 1984
Inventors
Donald E. Conner
Kenneth S. Klein
Assignee (at issue)
Van Dyk & Company Inc.

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Quick Facts
Patent No.
US 4,515,774
App. No.
06/621,454
Filed
1984-06-18
Granted
1985-05-07
Kind
A