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Patent Assignment Abstract of Title
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Total Assignments: 6
Patent #:
4629603
Issue Dt:
12/16/1986
Application #:
06677157
Filing Dt:
12/03/1984
Inventors:
MARK W. SALIHAR, GARY G. ENGSTROM, DONALD P. GAUWITZ
Title:
METHOD OF INHIBITING COLD END CORROSION IN BOILERS
Assignment: 1
Reel/Frame:
004475/0117Recorded: 10/25/1985Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
CUISIA, DIONISIO
Exec Dt:
10/14/1982
HWA, CHIH M.
Exec Dt:
10/14/1982
KEMP, ANNE H.
Exec Dt:
10/14/1982
Assignee:
DEARBORN CHEMICAL COMPANY, 300 GENESEE STREET, LAKE ZURICH, ILLINOIS, 60047, A CORP OF DELAWARE
DELAWARE
Correspondent:
MARK T. COLLINS
W. R. GRACE & CO.
7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 2
Reel/Frame:
004475/0139Recorded: 10/25/1985Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
SALIHAR, MARK W.
Exec Dt:
04/15/1985
ENGSTROM, GARY G.
Exec Dt:
04/15/1985
GAUWITZ, DONALD P.
Exec Dt:
04/15/1985
Assignee:
DEARBORN CHEMICAL COMPANY, 300 GENESEE STREET, LAKE ZURICH, ILLINOIS, 60047, A CORP OF
DELAWARE
Correspondent:
MARK T. COLLINS
W. R. GRACE AND CO.
PATENT DEPT., 7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 3
Reel/Frame:
004533/0503Recorded: 03/19/1986Pages: 9
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE DATE: 12/30/85 STATE OF INCORP. CONNECTICUT
Assignor:
DEARBORN CHEMICAL COMPANY, A CORP. OF CONNECTICUT (MERGED INTO)
Exec Dt:
12/19/1985
Assignee:
W. R. GRACE & CO., A CORP OF CONNECTICUT
Correspondent:
MARK T. COLLINS
W. R. GRACE & CO.
7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 4
Reel/Frame:
004533/0503Recorded: 03/19/1986Pages: 9
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE DATE: 12/30/85 STATE OF INCORP. CONNECTICUT
Assignor:
DEARBORN CHEMICAL COMPANY, A CORP. OF CONNECTICUT (MERGED INTO)
Exec Dt:
12/19/1985
Assignee:
W. R. GRACE & CO., A CORP OF CONNECTICUT
Correspondent:
MARK T. COLLINS
W. R. GRACE & CO.
7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 5
Reel/Frame:
004563/0639Recorded: 06/19/1986Pages: 9
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
DEARBORN CHEMICAL COMPANY, A CORP. OF DE.
Exec Dt:
03/11/1986
Assignee:
W. R. GRACE & CO.
A CORP. OF CONNECTICUT
NOT PROVIDED
Correspondent:
MARK T. COLLINS
W. R. GRACE & CO.
7379 ROUTE 32
COLUMBIA, MD 21044
Assignment: 6
Reel/Frame:
004937/0001Recorded: 08/05/1988Pages: 36
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE DATE: MAY 25, 1988 CONNECTICUT
Assignors:
W.R. GRACE & CO., A CORP. OF CONN. (MERGED INTO)
Exec Dt:
05/25/1988
GRACE MERGER CORP., A CORP. OF CONN. (CHANGED TO)
Exec Dt:
05/25/1988
Assignee:
W.R. GRACE & CO.-CONN.
Correspondent:
WILLIAM W. MCDOWELL, JR.
W.R. GRACE & CO.-CONN
7379 ROUTE 32
COLUMBIA, MARYLAND 21044

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