Patent Assignment
Reel/Frame 007326/0181
Assignment of Assignor's Interest
Recorded: 1995-01-25
Pages: 2
Assignee
SOCIETE FRANCAISE HOECHST
TOUR ROUSSEL-HOECHST - 1 TERRASSE BELLINI, 92800 PUTEAUX, FRANCE
Covered Property
(1)
Use of Cyclic Aminals of Glyoxylic Acid for Trapping Hydrogen Sulphide
Patent:
5,536,481 →
Application:
08/354,733 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Sep 9, 2015
From: CLARIANT CHIMIE S.A.
To: CLARIANT (FRANCE) S.A.
Reel/Frame 036520/0938 →
Change of Name
Sep 9, 2015
From: CLARIANT SPECIALTY FINE CHEMICALS (FRANCE)
To: WEYLCHEM LAMOTTE
Reel/Frame 036521/0310 →
Partial Business Transfer
Sep 9, 2015
From: SOCIETE FRANCAISE HOECHST
To: HOECHST G
Reel/Frame 036574/0644 →
Transfer of Assets
Sep 9, 2015
From: CLARIANT (FRANCE)
To: CLARIANT SPECIALTY FINE CHEMICALS (FRANCE)
Reel/Frame 036574/0810 →