IP Library › Assignment 019598/0713
Patent Assignment
Reel/Frame 019598/0713

Assignment of Assignor's Interest

Recorded: 2007-07-17 Pages: 2
Assignors
SIGGELKOW, BETTINA
Executed: 2007-03-28
REIMANN, WERNER
Executed: 2007-04-20
KRULL, MATTHIAS
Executed: 2007-04-20
KUPETZ, MARKUS
Executed: 2007-04-16
Assignee
CLARIANT INTERNATIONAL LTD.
ROTHAUSSTRASSE 61, 4132 MUTTENZ 1, SWITZERLAND
Covered Property (1)
Additives for improving the cold properties of fuel oils
Patent: 8,979,951 →
Application: 11/879,409 →
Publication: US 2008/0016753
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 20, 2009
From: CLARIANT INTERNATIONAL LTD.
To: CLARIANT FINANCE (BVI) LTD.
Reel/Frame 022429/0222 →
Assignment of Assignor's Interest Dec 4, 2015
From: CLARIANT FINANCE (BVI) LIMITED
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 037211/0894 →