IP Library Assignment 004347/0142
Patent Assignment
Reel/Frame 004347/0142

Assignment of Assignors Interest.

Recorded: 1985-01-07 Pages: 1
Assignors
WYKYPIEL, WERNER
Executed: 1982-11-08
TRONICH, WOLFGANG
Executed: 1982-11-08
Assignee
HOECHST AKTIENGESELLSCHAFT
A CORP. OF GERMANY, D-6230 FRANKFURT AM MAIN 80, GERMANY
Covered Property (1)
Process for Preparing 1-Nitrobenzene-2-Alkyloxycarbonyl-5-Carboxylic Acids
Patent: 4,507,491 →
Application: 06/445,008 →
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 →