Patent Assignment
Reel/Frame 004477/0870
Assignment of Assignors Interest.
Recorded: 1985-11-14
Pages: 2
Covered Property
(1)
Anti-Corrosion Composition
Patent:
4,649,025 →
Application:
06/776,311 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Effective Date: 12/30/85 State of Incorp. Connecticut
Mar 19, 1986
From: DEARBORN CHEMICAL COMPANY, A CORP. OF CONNECTICUT (MERGED INTO)
To: W. R. GRACE & CO., A CORP OF CONNECTICUT
Reel/Frame 004533/0503 →
Merger
Jun 19, 1986
From: DEARBORN CHEMICAL COMPANY, A CORP. OF DE.
To: W. R. GRACE & CO.
Reel/Frame 004563/0639 →
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 →