IP Library Assignment 004015/0323
Patent Assignment
Reel/Frame 004015/0323

Assignment of Assignors Interest.

Recorded: 1982-07-26 Pages: 1
Assignor
HOLTJE, WILFRIED G.
Executed: 1982-05-07
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
A CORP. OF DEL., WILMINGTON, DELAWARE
Covered Property (1)
Process for Preparing 2-Anilino-Acridone
Patent: 4,544,746 →
Application: 06/378,802 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. May 30, 1984
From: E.I. DU PONT DE NEMOURS AND COMPANY
To: CIBA-GEIGY CORPORATION
Reel/Frame 004262/0304 →
Assignment of Assignor's Interest Mar 17, 1997
From: CIBA-GEIGY CORPORATION
To: CIBA SPECIALTY CHEMICALS CORPORATION
Reel/Frame 008454/0096 →