Patent Assignment
Reel/Frame 036574/0644
Partial Business Transfer
Recorded: 2015-09-09
Pages: 55
Assignor
SOCIETE FRANCAISE HOECHST
Executed: 1997-06-30
Assignee
HOECHST G
CLAIRANT CHIMIE S.A., 1 TERRASSE BELLINI, PUTEAUX, 92800, FRANCE
Covered Properties
(2)
Use of Cyclic Aminals of Glyoxylic Acid for Trapping Hydrogen Sulphide
Patent:
5,536,481 →
Application:
08/354,733 →
Sodium Orthohydroxymandelate/Phenol/Water Complex, Preparation Process and Use for Isolation of Sodium Orthohydroxymandelate
Patent:
5,750,775 →
Application:
08/715,634 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 25, 1995
From: MABIRE, FREDERIC; WILHELM, DIDIER
To: SOCIETE FRANCAISE HOECHST
Reel/Frame 007326/0181 →
Assignment of Assignor's Interest
Dec 27, 1996
From: SIDOT, CHRISTIAN; TARLIER, MICHEL
To: SOCIETE FRANCAISE HOECHST
Reel/Frame 008281/0253 →
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 →
Transfer of Assets
Sep 9, 2015
From: CLARIANT (FRANCE)
To: CLARIANT SPECIALTY FINE CHEMICALS (FRANCE)
Reel/Frame 036574/0810 →