Patent Assignment
Reel/Frame 004475/0139
Assignment of Assignors Interest.
Recorded: 1985-10-25
Pages: 3
Assignors
SALIHAR, MARK W.
Executed: 1985-04-15
ENGSTROM, GARY G.
Executed: 1985-04-15
GAUWITZ, DONALD P.
Executed: 1985-04-15
Covered Property
(1)
Method of Inhibiting Cold End Corrosion in Boilers
Patent:
4,629,603 →
Application:
06/677,157 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 25, 1985
From: CUISIA, DIONISIO; HWA, CHIH M.; KEMP, ANNE H.
To: DEARBORN CHEMICAL COMPANY, 300 GENESEE STREET, LAKE ZURICH, ILLINOIS, 60047, A CORP OF DELAWARE
Reel/Frame 004475/0117 →
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 →