IP Library Assignment 006402/0779
Patent Assignment
Reel/Frame 006402/0779

Assignment of Assignors Interest.

Recorded: 1993-02-02 Pages: 2
Assignor
SPIVACK, JOHN D.
Executed: 1986-12-18
Assignee
CIBA-GEIGY CORPORATION
444 SAW MILL RIVER ROAD, PATENT DEPARTMENT, ARDSLEY, NEW YORK, 10502
Covered Property (1)
Substituted N-Thiomethylphenothiazines as Lubricant Stabilizers
Patent: 5,211,862 →
Application: 07/481,771 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 17, 1997
From: CIBA-GEIGY CORPORATION
To: CIBA SPECIALTY CHEMICALS CORPORATION
Reel/Frame 008412/0471 →