Patent Assignment
Reel/Frame 004475/0117
Assignment of Assignors Interest.
Recorded: 1985-10-25
Pages: 3
Assignors
CUISIA, DIONISIO
Executed: 1982-10-14
HWA, CHIH M.
Executed: 1982-10-14
KEMP, ANNE H.
Executed: 1982-10-14
Covered Properties
(3)
Composition and Method for Inhibiting Scale
Application:
06/423,759 →
Method of Inhibiting Cold End Corrosion in Boilers
Patent:
4,629,603 →
Application:
06/677,157 →
Method of Controlling Scale in Pressurised Boilers
Application:
06/678,539 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 25, 1985
From: CUISIA, DIONISIO G.; HWA, CHIH M.; GREAVES, BRIAN
To: DEARBORN CHEMICAL COMPANY, 300 GENESEE STREET, LAKE ZURICH, ILLINOIS, 60047, A CORP OF DELAWARE
Reel/Frame 004475/0136 →
Assignment of Assignors Interest.
Oct 25, 1985
From: SALIHAR, MARK W.; ENGSTROM, GARY G.; GAUWITZ, DONALD P.
To: DEARBORN CHEMICAL COMPANY, 300 GENESEE STREET, LAKE ZURICH, ILLINOIS, 60047, A CORP OF
Reel/Frame 004475/0139 →
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 →