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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
4820496
Issue Dt:
04/11/1989
Application #:
06514287
Filing Dt:
07/15/1983
Inventor:
PAUL C. SAPOFF
Title:
CATALYST RECOVERY TROUGH FOR UNLOADING MULTI-TUBE REACTORS WITH MAXIMUM DUST CONTAINMENT
Assignment: 1
Reel/Frame:
004166/0417Recorded: 07/15/1983Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
SAPOFF, PAUL C.
Exec Dt:
07/13/1983
Assignee:
CATALYST TECHNOLOGY INC., A KY CORP.
4414 OLD LAGRANGE RD.
P.O. BOX 115
BUCKNER, KENTUCKY 40010
Correspondent:
WILLIAM R. PRICE
STE. 1029
KENTUCKY HOME LIFE BLDG.
LOUISVILLE, KY 40202
Assignment: 2
Reel/Frame:
005206/0425Recorded: 12/26/1989Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
UNION CARBIDE INDUSTRIAL GASES INC., A CORP. OF DE
Exec Dt:
12/20/1989
Assignee:
UNION CARBIDE INDUSTRIAL GASES TECHNOLOGY CORPORATION
39 OLD RIDGEBURY ROAD, A CORP. OF DE
DANBURY, CONNECTICUT 06817-0001
Correspondent:
UNION CARBIDE CORP.
LAW DEPT., E-134
39 OLD RIDGEBURY ROAD
DANBURY, CT 06817-0001
Assignment: 3
Reel/Frame:
006337/0037Recorded: 12/03/1992Pages: 23
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 06/12/1992
Assignor:
UNION CARBIDE INDUSTRIAL GASES TECHNOLOGY CORPORATION
Exec Dt:
06/11/1992
Assignee:
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD
DANBURY, CONNECTICUT 06810-5113
Correspondent:
JOANN M. JELSA
PRAXAIR, INC.
39 OLD RIDGEBURY ROAD
LAW DEPT. M1-557
DANBURY, CT 06810-5113
Assignment: 4
Reel/Frame:
012683/0881Recorded: 05/14/2002Pages: 3
Conveyance:
INVALID ASSIGNMENT, SEE RECORDING AT REEL 012698, FRAME 0326. (RE-RECORDED TO CORRECT RECORDATION DATE FROM 5-14-2002 TO 5-08-2002)
Assignor:
CATALYST TECHNOLOGY, INC.
Exec Dt:
05/02/2002
Assignee:
CAT TECH, INC.
5805 E. NORTH BELT DRIVE
HUMBLE, TEXAS 77396
Correspondent:
CRADY, JEWETT & MCCULLEY, L.L.P.
DANA L. DESENBERG
2727 ALLEN PARKWAY, SUITE 1700
HOUSTON, TX 77019-2125
Assignment: 5
Reel/Frame:
012698/0326Recorded: 05/08/2002Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
CATALYST TECHNOLOGY, INC.
Exec Dt:
05/02/2002
Assignee:
CAT TECH INC.
8505 E. NORTH BELT DRIVE
HUMBLE, TEXAS 77396
Correspondent:
CRADY, JEWETT & MCCULLEY, L.L.P.
DANA L. DESENBERG
2727 ALLEN PARKWAY, SUITE 1700
HOUSTON, TX 77019-2125

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