Patent Assignment
Reel/Frame 010371/0694
Assignment of Assignor's Interest
Recorded: 1999-11-05
Pages: 6
Assignor
HOECHST AKTIENGESELLSCHAFT
Executed: 1999-10-20
Assignee
CLARIANT GMBH
BRUENINGSTRASSE 50, 65929 FRANKFURT AM MAIN, GERMANY
Covered Properties
(4)
Use of Aqueous Cationic Dispersions of Synthetic Resins for Impregnating and Priming of Absorbent Substrates
Patent:
4,871,594 →
Application:
07/177,680 →
Polyvinyl Butyrals Having Improved Thermal Stability and Light Resistance
Patent:
5,384,346 →
Application:
08/058,896 →
Plasticizer-Containing Polyvinylbutyrals with Improved Adhesion-Reducing Properties with Respect to Silicate Glass, Processes for Their Preparation and Their Use
Patent:
5,434,207 →
Application:
08/216,662 →
Concrete Molding with Improved Acid Resistance
Patent:
5,599,597 →
Application:
08/358,337 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Apr 5, 1988
From: BISTER, ERHARD; HUTH, HANS-ULLRICH; STELZEL, WERNER
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 004863/0231 →
Assignment of Assignor's Interest
May 6, 1993
From: GUTWEILER, MATTHIAS; HUTTEN, ULRICH; PFAHLER, GERHARD; SCHINDLER, HERMANN
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 006550/0861 →
Assignment of Assignor's Interest
Mar 23, 1994
From: FISCHER, HANNES
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 006930/0429 →
Assignment of Assignor's Interest
Nov 12, 2002
From: CLARIANT GMBH
To: KURARAY SPECIALTIES EUROPE GMBH
Reel/Frame 013467/0611 →
Assignment of Assignor's Interest
Jul 10, 2003
From: CLARIANT GMBH
To: CELANESE EMULSIONS GMBH
Reel/Frame 014301/0435 →