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Patent Assignment Abstract of Title

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Total Assignments: 2

Patent #:	NONE	Issue Dt:		Application #:	09225964	Filing Dt:	01/06/1999
Publication #:	20010009927	Pub Dt:	07/26/2001
Inventors:	ALLEN M. NIELSEN, UPALI WEERASOORIYA, LARRY N. BRITTON, STEVE V. ORSAK, FRANK GATES
Title:	METHOD OF SOIL REMEDIATION

Assignment: 1

Reel/Frame:

009824/0430

Recorded: 03/22/1999

Pages: 4

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors:

WEERASOORIYA, UPALI

Exec Dt:

02/26/1999

BRITTON, LARRY N.

Exec Dt:

03/01/1999

NIELSEN, ALLEN M.

Exec Dt:

02/26/1999

ORSAK, STEVE V.

Exec Dt:

03/11/1999

GATES, FRANK

Exec Dt:

02/26/1999

Assignee:

CONDEA VISTA COMPANY

900 THREADNEEDLE

HOUSTON, TEXAS 77079

Correspondent:

BROWNING BUSHMAN

C. JAMES BUSHMAN

5718 WESTHEIMER, SUITE 1800

HOUSTON, TX 77057

Assignment: 2

Reel/Frame:

012569/0965

Recorded: 02/06/2002

Pages: 5

Conveyance:

CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).

Assignor:

CONDEA VISTA COMPANY

Exec Dt:

08/27/2001

Assignee:

SASOL NORTH AMERICA INC.

900 THREAD NEEDLE

HOUSTON, TEXAS 77079

Correspondent:

MORGAN, LEWIS & BOCKIUS LLP

DAVID J. KENEALY

1111 PENNSYLANIA AVENUE, N.W.

WASHINGTON, DC 20004

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