Patent Assignment
Reel/Frame 004282/0222
Assignment of Assignors Interest.
Recorded: 1984-07-05
Pages: 1
Assignee
HOECHST AKTIENGESELLSCHAFT
A CORP OF GERMANY, D-6230 FRANKFURT AM MAIN 80, GERMANY
Covered Property
(1)
Process for the Preparatiion of Naphthalene-1,4,5,8- Tetracarboxylic Acid and Its 1,8-Monoanhydride in a High Degree of Purity
Patent:
4,599,431 →
Application:
06/627,776 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.