Patent Assignment
Reel/Frame 004830/0172
Assignment of Assignors Interest.
Recorded: 1988-02-01
Pages: 2
Assignor
LIPSZTAJN, MAREK
Executed: 1988-01-15
Assignee
TENNECO CANADA INC.
2 GIBBS ROAD, ISLINGTN, ONTARIO, M9B 1R1, CANADA
Covered Property
(1)
Electrochemical Removal of Chromium from Chlorate Solutions
Patent:
4,834,848 →
Application:
07/151,239 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Aug 25, 1992
From: STERLING PULP CHEMICALS, LTD.
To: BANK OF NOVA SCOTIA, THE
Reel/Frame 006258/0457 →
Assignment of Assignors Interest.
Aug 25, 1992
From: TENNECO CANADA INC.
To: STERLING PULP CHEMICALS, LTD. A CORP. OF CANADA
Reel/Frame 006258/0474 →
Release of Security Interest
Dec 4, 2002
From: SCOTIABANK, AS SUCCESSOR TO THE BANK OF NOVA SCOTIA
To: STERLING PULP CHEMICALS LTD.
Reel/Frame 013280/0230 →