Patent Assignment
Reel/Frame 008010/0159
Assignment of Assignor's Interest
Recorded: 1996-06-28
Pages: 2
Assignors
HAUBS, MICHAEL
Executed: 1996-04-15
SCHLEICHER, ANDREAS
Executed: 1996-04-15
NIKLAS, THORSETN
Executed: 1996-04-15
Assignee
HOECHST AG
PATENT AND LICENSING DEPARTMENT BLDG K 801, FRANKFURT AM MAIN, D-659, GERMANY
Covered Property
(1)
Process for the Preparation of Aromatic Sulfur-Containing Polymers
Patent:
5,688,908 →
Application:
08/631,782 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 20, 2001
From: AVENTIS RESEARCH & TECHNOLOGIES GMBH & CO. KG
To: TICONA GMBH
Reel/Frame 011996/0789 →
Change of Name
Jul 23, 2001
From: HOESCHST RESEARCH & TECHNOLOGY DEUTSCHLAND GMBH & CO. KG
To: AVENTIS RESEARCH & TECHNOLGIES GMBH & CO. KG
Reel/Frame 011996/0782 →
Assignment of Assignor's Interest
Jul 23, 2001
From: HOECHST AKTIENGESELLSCHAFT
To: HOECHST RESEARCH & TECHNOLOGY DEUTSCHLAND GMBH & CO. KG
Reel/Frame 012002/0692 →