Patent Assignment
Reel/Frame 005002/0387
Assignment of Assignors Interest.
Recorded: 1989-01-12
Pages: 1
Assignors
VON PLESSEN, HELMOLD
Executed: 1988-12-19
RITTNER, SIEGBERT
Executed: 1988-12-19
VOLK, HEINRICH
Executed: 1988-12-19
WYKYPLEI, WERNER
Executed: 1988-12-19
NEEB, RUDOLF
Executed: 1988-12-19
Assignee
HOECHST AKTIENGESELLSCHAFT, A CORP. OF THE FED. REP. OF GERMANY
D-6230 FRANKFURT AM MAIN 80, GERMANY
Covered Property
(1)
Process for the Purification of 2-Hydroxynaphthalene-6-Carboxylic Acid
Patent:
4,916,257 →
Application:
07/296,441 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.