Patent Assignment
Reel/Frame 005097/0956
Assignment of Assignors Interest.
Recorded: 1989-06-29
Pages: 1
Covered Property
(1)
Method for Producing Dust-Free Sodium Dithionite
Patent:
4,973,471 →
Application:
07/373,163 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 12, 2002
From: HOECHST CELANESE CORPORATION
To: CLARIANT FINANCE (BVI) LIMITED
Reel/Frame 013295/0423 →
Assignment of Assignor's Interest
Jan 3, 2003
From: CLARIANT FINANCE (BVI) LIMITED
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 013323/0729 →
Assignment of Assignor's Interest
Jan 10, 2003
From: CLARIANT INTERNATIONAL LTD.
To: CLARIANT CORPORATION
Reel/Frame 013352/0131 →
Assignment of Assignor's Interest
Feb 12, 2003
From: CLARIANT CORPORATION
To: CHEMTRADE PERFORMANCE CHEMICALS CANADA, INC.
Reel/Frame 013758/0252 →
Assignment of Assignor's Interest
Feb 12, 2003
From: CHEMTRADE PERFORMANCE CHEMICALS CANADA INC.
To: CHEMTRADE PERFORMANCE CHEMICALS US, LLC
Reel/Frame 013758/0693 →
Security Interest
Mar 6, 2003
From: CHEMTRADE PERFORMANCE CHEMICALS US, LLC
To: BANK OF NOVA SCOTIA, THE
Reel/Frame 013821/0080 →