Patent Assignment
Reel/Frame 007495/0869
Assignment of Assignor's Interest
Recorded: 1995-06-05
Pages: 4
Assignors
COUTELLE, HELMUT
Executed: 1995-03-16
HEININGER, WOLFGANG
Executed: 1995-03-16
BUCKL, WOLFGANG
Executed: 1995-03-16
Assignee
SUD-CHEMIE AG
LENBACHPLATZ 6, MUNCHEN, 80333, GERMANY
Covered Property
(1)
Thickening Agent Based on at Least One Synthetic Phyllosicate
Patent:
5,582,638 →
Application:
08/410,828 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 31, 2006
From: SUD-CHEMIE AG
To: ROCKWOOD CLAY ADDITIVES GMBH
Reel/Frame 017730/0270 →
Change of Name
Nov 12, 2013
From: ROCKWOOD CLAY ADDITIVES GMBH
To: BYK ADDITIVES, INC.
Reel/Frame 031625/0923 →
Corrective Assignment to Correct the Assignee Previously Recorded on Reel 031625 Frame 0923. Assignor(S) Hereby Confirms the Assignee Should Read Byk Additives Gmbh, Stadtwaldstr 44, 85368 Moosburg, Germany.
Dec 16, 2013
From: ROCKWOOD CLAY ADDITIVES GMBH
To: BYK ADDITIVES GMBH
Reel/Frame 031826/0507 →