Patent Assignment
Reel/Frame 004475/0136
Assignment of Assignors Interest.
Recorded: 1985-10-25
Pages: 3
Assignors
CUISIA, DIONISIO G.
Executed: 1985-04-01
HWA, CHIH M.
Executed: 1985-04-01
GREAVES, BRIAN
Executed: 1985-04-18
Covered Property
(1)
Method of Controlling Scale in Pressurised Boilers
Application:
06/678,539 →
Related Assignments
(3)
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 →