IP Library › Assignment 004403/0590
Patent Assignment
Reel/Frame 004403/0590

Assignment of Assignors Interest.

Recorded: 1985-05-07 Pages: 2
Assignor
KEYS, ROBERT O.
Executed: 1985-05-03
Assignee
Covered Property (1)
Modified Alcohol Frothers for Froth Flotation of Sulfide Ore
Patent: 4,678,563 →
Application: 06/731,713 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 30, 2000
From: GOLDSCHMIDT SKW OLEOCHEMICALS LLC
To: GOLDSCHMIDT CHEMICAL CORPORATION
Reel/Frame 011306/0636 →
Assignment of Assignor's Interest Nov 30, 2000
From: WITCO CORPORATION
To: GODSCHMIDT SKW OLEOCHEMICALS LLC
Reel/Frame 011314/0722 →