Patent Assignment
Reel/Frame 013862/0862
Change of Name
Recorded: 2003-03-20
Pages: 5
Assignor
SUPERIOR PROPANE INC.
Executed: 2003-02-26
Assignee
SUPERIOR PLUS INC.
STERLING PULP CHEMICALS, A DIVISION OF SUPERIOR PROPANE INC., SUITE 200, 302 THE WEST MALL, TORONTO, ONTARIO, M9B 6C7, CANADA
Covered Properties
(26)
Chlorine Dioxide Process
Patent:
4,465,658 →
Application:
06/503,786 →
High Efficiency Chlorine Dioxide Process
Patent:
4,473,540 →
Application:
06/511,549 →
Acid Recovery in Clorine Dioxide Generation
Patent:
4,678,655 →
Application:
06/636,506 →
Production of Chlorine Dioxide
Patent:
4,627,969 →
Application:
06/649,923 →
Process for the Oxidative Delignification of Demethylated Chemical Pulp
Patent:
4,729,817 →
Application:
06/810,590 →
Membrane Pervaporation Process
Patent:
4,683,039 →
Application:
06/813,078 →
Selective Removal of Chlorine from Solutions of Chlorine Dioxide and Chlorine
Patent:
4,731,169 →
Application:
06/924,570 →
Electrolytic Protection of Chlorine Dioxide
Patent:
4,767,510 →
Application:
07/057,107 →
Production of Chlorine Dioxide in an Electrolytic Cell
Patent:
4,853,096 →
Application:
07/156,965 →
Production of Chloric Acid
Patent:
4,915,927 →
Application:
07/260,500 →
Production of Chlorine Dioxide
Patent:
4,931,268 →
Application:
07/399,398 →
Chlorine Dioxide Generation from Chloric Acid
Patent:
5,174,868 →
Application:
07/570,791 →
Production of Chlorine Dioxide
Patent:
5,066,477 →
Application:
07/584,494 →
Metathesis of Acidic by-Product of Chlorine Dioxide Generating Process
Patent:
5,116,595 →
Application:
07/688,438 →
Metathesis of Acidic by-Product of Chlorine Dioxide Generating Apparatus
Patent:
5,205,995 →
Application:
07/844,231 →
Membrane Cell Washing
Patent:
5,277,768 →
Application:
07/863,247 →
Hydrogen Peroxide-Based Chlorine Dioxide Process
Patent:
5,366,714 →
Application:
07/895,675 →
Membrane Cell Operation
Patent:
5,256,261 →
Application:
07/933,108 →
Chlorine Dioxide Generation from Chloric Acid
Patent:
5,284,553 →
Application:
08/042,784 →
Dynamic Leaching Procedure for Metathesis
Patent:
5,399,332 →
Application:
08/138,640 →
Metathesis of Acidic by-Product of Chlorine Dioxide Generating Process
Patent:
5,593,653 →
Application:
08/294,604 →
Chlorine Dioxide Generating Process
Patent:
5,676,920 →
Application:
08/700,110 →
Process for Production of Chlorine Dioxide
Patent:
5,851,374 →
Application:
08/781,045 →
Determination of Chlorate Ion Concentration Using Microelectrodes
Patent:
5,948,236 →
Application:
08/912,171 →
High Purity Alkali Metal Chlorite and Method of Manufacture
Patent:
6,251,357 →
Application:
09/327,529 →
Method of Improving Yield of Chlorine Dioxide Generation Processes
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Jun 13, 1983
From: FREDETTE, MAURICE C.J.
To: ERCO INDUSTRIES LIMITED
Reel/Frame 004141/0152 →
Assignment of Assignors Interest.
Jul 7, 1983
From: FREDETTE, MAURICE C. J.
To: ERCO INDUSTRIES LIMITED
Reel/Frame 004151/0760 →
Assignment of Assignors Interest.
Aug 1, 1984
From: TWARDOWSKI, ZBIGNIEW
To: ERCO INDUSTRIES LIMITED
Reel/Frame 004295/0182 →
Assignment of Assignors Interest.
Sep 13, 1984
From: FREDETTE, MAURICE C. J.; YANG, CHING-SHI
To: ERCO INDUSTRIES LIMITED
Reel/Frame 004316/0457 →
Merger 12-30-84
Mar 4, 1985
From: ERCO INDUSTRIES LIMITED
To: TENNECO CANADA INC.
Reel/Frame 004368/0762 →
Assignment of Assignors Interest.
Dec 19, 1985
From: FRANCIS, RAYMOND C.; REEVE, DOUGLAS W.
To: TENNECO CANADA INC.
Reel/Frame 004498/0845 →
Assignment of Assignors Interest.
Dec 24, 1985
From: TWARDOWSKI, ZBIGNIEW; MC GILVERY, JAMES D.
To: TENNECO CANADA INC. (ERCO DIVISION)
Reel/Frame 004503/0712 →
Assignment of Assignors Interest.
Feb 18, 1988
From: LIPSZTAIN, MAREK; MC GILVERY, JAMES D.; TWARDOWSKI, ZBIGNIEW
To: TENNECO CANADA INC., 2 GIBBS ROAD, ISLINGTON, ONTARIO, CANADA, M9B 1R1
Reel/Frame 004869/0075 →
Assignment of Assignors Interest.
Dec 12, 1988
From: LIPSZTAJN, MAREK; TWARDOWSKI, ZBIGNIEW; COWLEY, GERALD
To: TENNECO CANADA INC., 2 GIBBS ROAD, ISLINGTON, ONTARIO, CANADA M9B 1R1 A COMPANY OF CANADA
Reel/Frame 004990/0091 →
Assignment of Assignors Interest.
Nov 2, 1989
From: FREDETTE, MAURICE C. J.
To: TENNECO CANADA INC.
Reel/Frame 005206/0261 →
Assignment of Assignors Interest.
Aug 22, 1990
From: LIPSZTAJN, MAREK; FREDETTE, MAURICE C.J.; TWARDOWSKI, ZBIGNIEW
To: TENNECO CANADA INC.
Reel/Frame 005421/0912 →
Assignment of Assignors Interest.
Apr 22, 1991
From: SCRIBNER, HERBERT C.
To: TENNECO CANADA INC.
Reel/Frame 005690/0760 →
Assignment of Assignors Interest.
Apr 22, 1991
From: FREDETTE, MAURICE C.J.; BECHBERGER, EDWARD J.
To: TENNECO CANADA INC.
Reel/Frame 005690/0764 →
Assignment of Assignors Interest.
Apr 3, 1992
From: TWARDOWSKI, ZBIGNIEW
To: TENNECO CANADA INC., A COMPANY OF CANADA
Reel/Frame 006081/0569 →
Assignment of Assignors Interest.
Jul 27, 1992
From: BIGAUSKAS, TOMAS D.
To: TENNECO CANADA INC.
Reel/Frame 006221/0145 →
Assignment of Assignors Interest.
Aug 21, 1992
From: LIPSZTAJN, MAREK; RIZZI, JOHN
To: TENNECO CANADA INC.
Reel/Frame 006210/0152 →
Assignment of Assignors Interest.
Aug 25, 1992
From: TENNECO CANADA INC., A CORP. OF ONTARIO
To: STERLING CANADA, INC., A CORP. OF DE
Reel/Frame 006251/0006 →
Security Interest
Aug 25, 1992
From: STERLING CANADA, INC. A DE CORP.
To: BANK OF NOVA SCOTIA, THE
Reel/Frame 006258/0484 →
Assignment of Assignors Interest.
Apr 9, 1993
From: TENNECO CANADA INC.
To: STERLING CANADA, INC.
Reel/Frame 006490/0672 →
Assignment of Assignor's Interest
Oct 20, 1993
From: PU, CHUNMIN
To: STERLING CANADA,INC.
Reel/Frame 006742/0648 →
Release of Security Interest
May 8, 1995
From: BANK OF NOVA SCOTIA, THE
To: STERLING CHEMICALS, INC
Reel/Frame 007467/0397 →
Security Agreement
Sep 16, 1996
From: STERLING CANADA, INC.
To: TEXAS COMMERCE BANK NATIONAL ASSOCIATION
Reel/Frame 008126/0807 →
Assignment of Assignor's Interest
Jul 8, 1997
From: COWLEY, GERALD; LIPSZTAJN, MAREK
To: STERLING CANADA, INC.
Reel/Frame 008601/0910 →
Assignment of Assignor's Interest
Mar 4, 1998
From: LIPSZTAJN, MAREK
To: STERLING CANADA, INC.
Reel/Frame 009024/0032 →
Assignment of Assignor's Interest
Sep 22, 1999
From: DICK, PETER DAVID; COWLEY, GERALD
To: STERLING CANADA, INC.
Reel/Frame 010252/0011 →