IP Library › Granted Patent US 5,630,869
Granted Patent Utility
US 5,630,869 · App. 07/143,448

Reversibly photochromic printing inks

Inventors: Albert Amon, Haim Bretler, Anton Bleikolm
Patented Case View Patent ↗
Granted: May 20, 1997 Filed: Jan 12, 1988
Inventors
Albert Amon
Haim Bretler
Anton Bleikolm
Assignee (at issue)
Sicipa Holding S.A.

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Quick Facts
Patent No.
US 5,630,869
App. No.
07/143,448
Filed
1988-01-12
Granted
1997-05-20
Kind
A