Patent Assignment
Reel/Frame 004327/0473
Assignment of Assignors Interest.
Recorded: 1984-11-13
Pages: 1
Assignee
HOECHST AKTIENGESELLSCHAFT, A CORP OF GERMANY
D-6230 FRANKFURT AM MAIN 80, GERMANY
Covered Property
(1)
Process for the Preparation of Perylene-3,4,9,10-Tetracarboxylic Acid N,N,'-Dialkyldiimide Pigments
Patent:
4,496,731 →
Application:
06/469,222 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.