Patent Assignment
Reel/Frame 005233/0539
Assignment of Assignors Interest.
Recorded: 1990-01-31
Pages: 2
Assignors
NOVOTNY, RUDOLF
Executed: 1990-01-18
HOFF, ALFRED
Executed: 1990-01-18
SCHUERTZ, JOST
Executed: 1990-01-18
Assignee
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN (HENKEL KGAA)
HENKELSTRASSE 67, POSTFACH 1100, D-4000 DUESSELDORF 1, GERMANY
Covered Property
(1)
Process for Hydrothermal Production of Sodium Silicate Solutions
Patent:
5,000,933 →
Application:
07/472,980 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 28, 2003
From: HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN
To: COGNIS DEUTSCHLAND GMBH & CO. KG
Reel/Frame 014083/0112 →
Patent and Trademark Transfer and License Agreement
Oct 5, 2009
From: COGNIS DEUTSCHLAND GMBH & CO. KG
To: COGNIS IP MANAGEMENT GMBH
Reel/Frame 023348/0001 →
Corrective Assignment to Correct the Patent Property Identified for Assignment (Erroneously Recorded Against U.S. Patent No. 5000093 Rather Than 5000933) Previously Recorded on Reel 021805 Frame 0578. Assignor(S) Hereby Confirms the Patent and Tradmark Transfer and License Agreement Dated 12-31-2004.
Oct 27, 2009
From: COGNIS DEUTSCHLAND GMBH & CO. KG
To: COGNIS IP MANAGEMENT GMBH
Reel/Frame 023427/0648 →