Patent Assignment
Reel/Frame 017730/0270
Assignment of Assignor's Interest
Recorded: 2006-03-31
Pages: 2
Assignor
SUD-CHEMIE AG
Executed: 2005-12-30
Assignee
ROCKWOOD CLAY ADDITIVES GMBH
KONIGSBERGER STR. 1, D-60487 FRANKFURT AM MAIN, 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
Jun 5, 1995
From: COUTELLE, HELMUT; HEININGER, WOLFGANG; BUCKL, WOLFGANG
To: SUD-CHEMIE AG
Reel/Frame 007495/0869 →
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 →