Patent Assignment
Reel/Frame 015260/0305
Assignment of Assignor's Interest
Recorded: 2004-04-23
Pages: 4
Assignee
VULCAN CHEMICALS, A BUSINESS GROUP OF VULCAN MATERIALS COMPANY
1200 URBAN CENTER DRIVE, BIRMINGTON, ALABAMA, 35242
Covered Property
(1)
Method for treating reverse osmosis membranes with chlorine dioxide
Application:
10/830,549 →
Publication:
US 2005/0061741
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Aug 3, 2005
From: VULCAN CHEMICALS; VULCAN CHEMICALS, A DIVISION OF VULCAN MATERIALS COMPANY; VULCAN CHEMICALS, A BUSINESS GROUP OF VULCAN MATERIALS COMPANY
To: VULCAN MATERIALS COMPANY
Reel/Frame 016345/0108 →
Assignment of Assignor's Interest
Jun 2, 2006
From: VULCAN MATERIALS COMPANY; VULCAN CHLORALKALI, LLC
To: BASIC CHEMICALS COMPANY, LLC
Reel/Frame 017730/0078 →
Merger
Sep 21, 2007
From: BASIC CHEMICALS COMPANY, LLC
To: OCCIDENTAL CHEMICAL CORPORATION
Reel/Frame 019850/0911 →