IP Library Assignment 004264/0089
Patent Assignment
Reel/Frame 004264/0089

Assignment of Assignors Interest.

Recorded: 1984-06-07 Pages: 1
Assignors
GEHLHAUS, JUERGEN
Executed: 1982-08-02
KIESER, MANFRED
Executed: 1982-08-02
Assignee
MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
A CORP. GERMANY, DARMSTADT, GERMANY
Covered Property (1)
Photosensitive Hydroxyalkylphenones
Patent: 4,477,681 →
Application: 06/408,576 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Mar 10, 1992
From: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
To: CIBA-GEIGY CORPORATION
Reel/Frame 006331/0025 →
Assignment of Assignor's Interest May 7, 1997
From: CIBA-GEIGY CORPORATION
To: CIBA SPECIALTY CHEMICALS CORPORATION
Reel/Frame 008489/0446 →