IP Library › Assignment 005141/0043
Patent Assignment
Reel/Frame 005141/0043

Assignment of Assignors Interest.

Recorded: 1989-07-14 Pages: 2
Assignors
HILBIG, JOSEF
Executed: 1989-07-06
WELT, GUENTHER
Executed: 1989-07-06
ZIEGELMAYER, MANFRED
Executed: 1989-07-06
Assignee
Covered Property (1)
Process for Separating Solvents Used in the Purification of Products
Patent: 4,985,152 →
Application: 07/380,086 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 19, 1999
From: HOECHST AKTIENGESELLSCHAFT
To: CLARIANT GMBH
Reel/Frame 010351/0823 →