Patent Assignment
Reel/Frame 011971/0728
Assignment of Assignor's Interest
Recorded: 2001-05-22
Pages: 2
Assignor
SLESIGER, HARTWIG
Executed: 2001-03-28
Assignee
WOLFF WALSRODE AG
D-29655 WALSRODE, GERMANY
Covered Property
(1)
Method for the Production of Low-Viscous Water-Soluble Cellulose Ethers
Patent:
6,939,961 →
Application:
09/856,545 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Re-Record to Correct the Spelling of the Assignor Name. Previously Recorded at Reel 011971 and Frame 0728.
Feb 4, 2002
From: SCHLESIGER, HARTWIG
To: WOLFF WALSRODE AG
Reel/Frame 012630/0141 →
Certified Copy of German Trade Register
Nov 29, 2007
From: WOLFF WALSRODE AG
To: DOW WOLFF CELLULOSICS GMBH
Reel/Frame 020178/0578 →