IP Library Assignment 004278/0613
Patent Assignment
Reel/Frame 004278/0613

Assignment of Assignors Interest.

Recorded: 1984-07-11 Pages: 1
Assignors
GROSSE, JURGEN
Executed: 1982-11-09
PIEPER, WERNER
Executed: 1982-11-09
Assignee
HOECHST AKTEINGESELLSCHAFT
A CORP. OF GERMANY, D-6230 FRANKFURT/MAIN 80, GERMANY
Covered Property (1)
Process for Making Phosphonic Anhydrides
Patent: 4,473,509 →
Application: 06/442,103 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 5, 2000
From: HOECHST AKTIENGESELLSCHAFT
To: CLARIANT GMBH
Reel/Frame 010881/0555 →