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Patent Assignment Abstract of Title

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Total Assignments: 2

Patent #:	NONE	Issue Dt:		Application #:	10177996	Filing Dt:	06/21/2002
Publication #:	20030083325	Pub Dt:	05/01/2003
Inventors:	Thaddeus R. Nieduzak, Mark W. Dudley, John H. Kehne
Title:	Serotonin antagonists

Assignment: 1

Reel/Frame:

015044/0298

Recorded: 03/09/2004

Pages: 11

Conveyance:

SECURITY AGREEMENT

Assignors:

NEWPARK DRILLINGS FLUIDS, LLC

Exec Dt:

02/25/2004

NEWPARK RESOURCES, INC.

Exec Dt:

02/25/2004

OGS LABORATORY, INC.

Exec Dt:

02/25/2004

SUPREME CONTRACTORS, L.L.C.

Exec Dt:

02/25/2004

Assignee:

BANK ONE, N.A.

1717 MAIN STREET

DALLAS, TEXAS 75201

Correspondent:

C.C. PRUDHOMME, III

THOMAS A. KULIK

1717 MAIN STREET

DALLAS, TX 75201

Assignment: 2

Reel/Frame:

016263/0381

Recorded: 07/15/2005

Pages: 15

Conveyance:

CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).

Assignor:

NEWPARK DRILLING FLUIDS LABORATORY, INC.

Exec Dt:

03/10/2005

Assignee:

BANK ONE, N.A.

1717 MAIN STREET

DALLAS, TEXAS 75201

Correspondent:

THOMAS A. KULIK

2001 ROSS AVENUE

SUITE 3000; PATTON BOGGS, LLP

DALLAS, TX 75201

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