IP Library Assignment 004201/0310
Patent Assignment
Reel/Frame 004201/0310

Assignment of Assignors Interest.

Recorded: 1981-11-23 Pages: 1
Assignors
GEHRMANN, KLAUS
Executed: 1983-11-07
OHORODNIK, ALEXANDER
Executed: 1983-11-07
ROSENTHAL, JOHANNES
Executed: 1983-11-07
Assignee
Covered Property (1)
Process for the Continuous Production of 2-Carboxyethyl-Alkyl- Phosphinic Acid Dialkylesters
Patent: 4,560,518 →
Application: 06/554,593 →
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 →