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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
12/23/1986
Application #:
06612871
Filing Dt:
05/22/1984
Inventor:
CRAIG ZYCHAL
Title:
DEFOAMER AND ANTIFOAMER COMPOSITION AND METHOD FOR DEFOAMING AQUEOUS FLUID SYSTEMS
Assignment: 1
Reel/Frame:
004272/0225Recorded: 06/21/1984Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
05/18/1984
Assignee:
INDIANA
Correspondent:
STANDARD OIL COMPANY
P.O. BOX 5910-A
CHICAGO ILLINOIS 60680
Assignment: 2
Reel/Frame:
004558/0872Recorded: 01/21/1986Pages: 30
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/23/1985
Assignee:
CHICAGO, ILLINOIS
Correspondent:
AMOCO CORPORATION
4111 SOUTH DARLINGTON, STE 1006
P.O. BOX 591
TULSA OK. 74102
Assignment: 3
Reel/Frame:
006627/0642Recorded: 07/12/1993Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/14/1993
Assignee:
PATENT DEPARTMENT 369 MARSHALL AVENUE ST. LOUIS, MO 63119-1897
369 MARSHALL AVENUE
ST. LOUIS,, MISSOURI 63119-1897
Correspondent:
KENNETH SOLOMON
PETROLITE CORPORATION
PATENT DEPARTMENT
369 MARSHALL AVENUE
ST. LOUIS, MO 63119-1897
Assignment: 4
Reel/Frame:
008709/0825Recorded: 09/22/1997Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/02/1997
Assignee:
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Correspondent:
BAKER HUGHES INCORPORATED
MARYLN DAWSON
3900 ESSEX LANE, SUITE 1200
HOUSTON, TX 77027

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