IP Library Assignment 005139/0437
Patent Assignment
Reel/Frame 005139/0437

Assignment of Assignors Interest.

Recorded: 1986-08-28 Pages: 2
Assignor
PELZER, HEINZ
Executed: 1986-08-25
Assignee
HOECHST AKTIENGESELLSCHAFT
A CORP. OF THE FED. REP. OF GERMANY, FRANKFURT/MAIN, GERMANY
Covered Property (1)
Process for the Preparation of Low-Viscosity Cellulose Ethers
Patent: 4,894,448 →
Application: 07/271,347 →
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 →