Patent Assignment
Reel/Frame 008638/0742
Assignment of Assignor's Interest
Recorded: 1997-08-01
Pages: 2
Assignors
KLEINER, HANS-JERG
Executed: 1997-03-07
BUDZINSKY, WINFRIED
Executed: 1997-03-07
KIRSCH, GUNTHER
Executed: 1997-03-07
Assignee
HOECHST AKTIENGESELLSCHAFT
BUILDING K-801, PATENT AND LICENSING DEPARTMENT, D-65926 FRANKFURT AM MAIN, GERMANY
Covered Property
(1)
Salts of Phosphonous Acids and Use Thereof as Flame Retardants in Plastics
Patent:
5,891,226 →
Application:
08/810,552 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 20, 2001
From: HOESCHST AKTIENGESELLSCHAFT
To: TICONA GMBH
Reel/Frame 011979/0872 →
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 →
Assignment of Assignor's Interest
May 16, 2016
From: TICONA GMBH
To: NUTRINOVA NUTRITION SPECIALTIES & FOOD INGREDIENTS GMBH
Reel/Frame 038687/0784 →
Change of Name
May 16, 2016
From: NUTRINOVA NUTRITION SPECIALTIES & FOOD INGREDIENTS GMBH
To: CELANESE SALES GERMANY GMBH
Reel/Frame 038689/0595 →