Patent Assignment
Reel/Frame 006707/0057
Assignment of Assignor's Interest
Recorded: 1993-09-15
Pages: 4
Assignee
ZENECA LIMITED
IMPERIAL CHEMICAL HOUSE 9 MILLBANK, LONDON SW1P 3JF, ENGLAND, UNITED KINGDOM
Covered Property
(1)
Cathodic Protection System and a Coating and Coating Composition Therefor
Patent:
5,364,511 →
Application:
08/094,291 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 19, 1995
From: ZENECA LIMITED
To: THORO SYSTEM PRODUCTS, INC.
Reel/Frame 007325/0113 →
Assignment of Assignor's Interest
Nov 29, 2000
From: SKW AMERICAS, INC.
To: MBT HOLDING AG
Reel/Frame 011325/0172 →
Assignment of Assignor's Interest
Nov 29, 2000
From: INTEGRATED CHEMICAL PRODUCTS ACQUISTION STATUTORY (FORMERLY THORO SYSTEM PRODUCTS INC.)
To: SKW AMERICAS, INC.
Reel/Frame 011325/0208 →
Assignment of Assignor's Interest
Feb 20, 2001
From: INTEGRATED CHEMICAL PRODUCTS ACQUISITION STATUTORY TRUST. (FORMERLY THORO SYSTEM PRODUCTS INC.)
To: SKW AMERICAS, INC.
Reel/Frame 011541/0607 →
Assignment of Assignor's Interest
Dec 19, 2003
From: DEGUSSA CONSTRUCTION CHEMICALS (EUROPE) AG FORMERLY KNOWN AS MBT HOLDING AG
To: CONSTRUCTION RESEARCH & TECHNOLOGY GMBH
Reel/Frame 014788/0877 →