Patent Assignment
Reel/Frame 008200/0150
Assignment of Assignor's Interest
Recorded: 1996-10-31
Pages: 6
Assignor
VIRIDIAN INC.
Executed: 1996-10-24
Assignee
698638 ALBERTA LTD.
BOX 3388, FORT SASKATCHEWAN, ALBERTA, T8L 2, CANADA
Covered Properties
(38)
Hydrometallurgical Process for the Treatment of Ores
Patent:
4,272,490 →
Application:
05/920,027 →
Process for the Recovery of Copper and Zinc Values from Sulphidic Ore
Patent:
4,279,867 →
Application:
06/129,926 →
Process for the Production of Elemental Silver from Silver Chloride or Silver Sulphate
Patent:
4,306,902 →
Application:
06/179,603 →
Process for the Recovery of Silver Values from Silver-Containing Material Which Also Contains Iron and Arsenic
Patent:
4,331,469 →
Application:
06/179,613 →
Removal of Arsenic from Aqueous Solutions
Patent:
4,366,128 →
Application:
06/192,766 →
Recovery of Uranium from Material Containing Iron, Arsenic and Siliceous Matter
Patent:
4,406,864 →
Application:
06/192,767 →
Removal of Uranium from Sulphate Solutions Containing Molybdenum
Patent:
4,405,566 →
Application:
06/192,929 →
Removal of Selenium Iv and Vi from Acidic Copper Sulphate Solutions
Patent:
4,330,508 →
Application:
06/200,126 →
Process for the Production of Silver Powder from Silver Chloride, Sulphate or Sulphide
Patent:
4,388,109 →
Application:
06/264,724 →
Removal of Manganese and Chloride Ions from Aqueous Acidic Zinc Sulphate Solutions
Patent:
4,379,037 →
Application:
06/271,723 →
Removal of Radium from Aqueous Sulphate Solutons
Patent:
4,423,007 →
Application:
06/283,318 →
Process for Removing Dissolved Selenium Values from an Acidic Aqueous Copper Sulphate Solution
Patent:
4,377,556 →
Application:
06/366,806 →
Removal of Selenium from Acidic Copper/Nickel Solutions
Patent:
4,374,808 →
Application:
06/391,807 →
Recovery of Zinc from Zinc Containing Sulphidic Materials
Patent:
4,443,253 →
Application:
06/417,829 →
Removal of Dissolved Cadmium and Copper from Sulphate Solution with Hydrogbn Sulfide Bh.
Patent:
4,405,570 →
Application:
06/417,830 →
Recovery of Zinc from Zinc-Containing Sulphidic Material
Patent:
4,440,569 →
Application:
06/468,740 →
Process for Recovering Zinc from Zinc Ferrite Material
Patent:
4,510,028 →
Application:
06/508,693 →
Recovery of Zinc from Zinc Containing Sulphidic Material
Patent:
4,505,744 →
Application:
06/508,699 →
Recovery of Zinc from Zinc-Containing Sulphidic Material
Patent:
4,832,925 →
Application:
06/514,733 →
Recovery of Cobalt and Nickel from Sulphidic Material
Patent:
4,594,102 →
Application:
06/532,331 →
Process for Separately Recovering Zinc and Lead Values from Zinc and Lead Containing Sulphidic Ore
Patent:
4,545,963 →
Application:
06/536,013 →
Process for the Recovery of Silver from a Residue Essentially Free of Elemental Sulphur
Patent:
4,632,701 →
Application:
06/707,710 →
Recovery of Gold from Refractory Auriferous Iron-Containing Sulphidic Material
Patent:
4,610,724 →
Application:
06/707,711 →
Process for the Pressure Oxidation Acid Leaching of Non-Ferrous Metal and Iron-Containing Sulphidic Material
Patent:
4,606,763 →
Application:
06/707,920 →
Recovery of Gold from Refractory Auriferous Iron-Containing Sulphidic Concentrates
Patent:
4,571,263 →
Application:
06/707,922 →
Recovery of Gold from Auriferous Refractory Iron-Containing Sulphidic Ore
Patent:
4,571,264 →
Application:
06/707,923 →
Process for Separately Recovering Gold and Silver from Solution by Carbon Adsorption
Patent:
4,606,766 →
Application:
06/707,993 →
Recovery of Gold from Refractory Auriferous Iron-Containing Sulphidic Material
Patent:
4,605,439 →
Application:
06/708,203 →
Recovery of Platinum Group Metals from Nickel-Copper-Iron Matte
Patent:
4,571,262 →
Application:
06/710,738 →
Purification of Elemental Sulphur
Patent:
5,403,571 →
Application:
07/700,149 →
Flotation Separation of Arsenopyrite from Pyrite
Patent:
5,171,428 →
Application:
07/799,325 →
Recovery of Metal Values from Zinc Plant Residues
Patent:
5,348,713 →
Application:
07/929,927 →
Upgrading Copper Sulphide Residues Containing Nickel and Arsenic
Patent:
5,344,479 →
Application:
08/029,513 →
Recovery of Metals from Sulphidic Material
Patent:
5,380,354 →
Application:
08/237,986 →
Process for the Separation of Cobalt from Nickel
Patent:
5,468,281 →
Application:
08/335,701 →
Purification of Elemental Sulphur
Patent:
5,711,929 →
Application:
08/416,013 →
Recovery of Zinc from Sulphidic Concentrates
Patent:
5,651,947 →
Application:
08/553,175 →
Hydrometallurgical Process for the Extraction of Copper from Sulphidic Concentrates
Patent:
5,730,776 →
Application:
08/607,754 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name
Oct 31, 1996
From: SHERRITT GORDON LIMITED
To: SHERRITT INC.
Reel/Frame 008200/0118 →
Change of Name
Oct 31, 1996
From: SHERRITT INC.
To: VIRIDIAN INC.
Reel/Frame 008200/0194 →
Change of Name
Oct 31, 1996
From: SHERRITT GORDON MINES LIMITED
To: SHERRITT GORDON LIMITED
Reel/Frame 008200/0281 →
Release of Security Interest
Feb 24, 2004
From: CONGRESS FINANCIAL CORPORATION
To: MANSFIELD PLUMBING PRODUCTS LLC
Reel/Frame 015000/0048 →
Security Agreement
Feb 24, 2004
From: MANSFIELD PLUMBING PRODUCTS LLC
To: BANK ONE, NA
Reel/Frame 015000/0053 →