Patent Assignment
Reel/Frame 004802/0045
Assignment of Assignors Interest.
Recorded: 1987-12-14
Pages: 1
Assignor
WANG, SHU-CHIEH P.
Executed: 1985-08-16
Covered Property
(1)
Preparation of Nitro Compounds by Vapor Phase Nitration of Olefins
Patent:
4,766,257 →
Application:
06/649,765 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Effective: May 25, 1988
Aug 4, 1988
From: GRACE MERGER CORP.; W. R. GRACE & CO.,
To: W. R. GRACE & CO.-CONN., A CONN. CORP.
Reel/Frame 004936/0844 →
Merger Effective Date: May 25, 1988 Connecticut
Aug 5, 1988
From: W.R. GRACE & CO., A CORP. OF CONN. (MERGED INTO); GRACE MERGER CORP., A CORP. OF CONN. (CHANGED TO)
To: W.R. GRACE & CO.-CONN.
Reel/Frame 004937/0001 →