Patent Assignment
Reel/Frame 004994/0929
Merger Feb. 27, 1987
Recorded: 1988-11-21
Pages: 9
Assignor
AMERICAN HOECHST CORPORATION
Executed: 1987-02-27
Assignee
Covered Property
(1)
Method of Developing Imaged Diazo Material with Propanol Containing Developer Composition
Patent:
4,786,580 →
Application:
06/566,125 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Nov 21, 1988
From: HSIEH, SHANE
To: AMERICAN HOECHST CORPORATION, SOMERVILLE, NEW JERSEY, A CORP. OF DE
Reel/Frame 004994/0927 →
Assignment of Assignors Interest.
Nov 21, 1988
From: MITCHELL, WAYNE A.
To: AMERICAN HOECHST CORPORATION, SOMERVILLE, NEW JERSEY, A CORP. OF DE
Reel/Frame 004994/0928 →
Merger
Jul 20, 1995
From: AMERICAN HOECHST CORPORATION
To: HOECHST CELANESE CORPORATION
Reel/Frame 007562/0872 →