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Trademark Assignment Assignor Details

Assignor Name : PETROLON, INC.

Total Assignments: 4

Assignment: 1

Reel/Frame:	0741/0054			Pages:	0
		Recorded:	09/20/1990
Conveyance:	ASSIGNS THE ENTIRE INTEREST AND THE GOODWILL AS OF AUG. 23, 1990.

Assignor

PETROLON, INC.

Exec Dt:	09/10/1990
Entity Type:	CORPORATION
Citizenship:	TEXAS

Assignee

SCIENTIA CORPORATION

P.O. BOX 79019

1187 BRITTMOORE

HOUSTON, TEXAS 772799019

Entity Type:	CORPORATION
Citizenship:	TEXAS

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
73070507	NONE	73089801	1071749	73193209	1156873	73453476	1314156	73738363	1526339
73807456	1645708	73813118	1624378	73813119	1586385	73838890	1611777	74089801	NONE

Correspondence name and address
	VADEN, EICKENROHT, THOMPSON & BOULWARE
	MARGARET A. BOULWARE
	SUITE 1100
	ONE RIVERWAY
	HOUSTON, TX 77056-1903

Assignment: 2

Reel/Frame:	0803/0098			Pages:	16
		Recorded:	07/22/1991
Conveyance:	SECURITY INTEREST

Assignor

PETROLON, INC.

Exec Dt:	07/03/1991
Entity Type:	CORPORATION
Citizenship:	TEXAS

Assignee

NCNB TEXAS NATIONAL BANK

P.O. BOX 2518

HOUSTON, TEXAS 77252

Entity Type:	SEE DOCUMENT FOR DETAILS.
Citizenship:	NONE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
72241978	827999	72277146	891067	72315994	926358	72378751	933058	72428968	964369
72445630	991584	73036590	1046614	73045782	1059741	73058322	1060657	73112598	1087918
73191593	1148555	73193209	1156873	73738363	1526339	73807456	1645708	73813118	1624378
73813119	1586385	73838890	1611777	74070507	NONE	74089801	7408980	74115800	NONE
74127284	NONE	74860783	860783	80814766	814766

Correspondence name and address
	JACKSON & WALKER
	ATTORNEYS AND COUNSELORS
	1100 LOUISIANA, SUITE 4200
	P.O. BOX 4771
	HOUSTON, TX 77210-4771

Assignment: 3

Reel/Frame:	0843/0808			Pages:	10
		Recorded:	02/05/1992
Conveyance:	MERGER 19911227DE

Assignor

PETROLON, INC.

Exec Dt:	12/26/1991
Entity Type:	CORPORATION
Citizenship:	TEXAS

Assignee

PETROLON MANAGEMENT, INC.

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
72241978	827999	72315994	926358	72378751	933058	72428968	964369	72445630	991584
73036590	1046614	73045782	1059741	73058322	1060657	73191593	1148555	73193209	1156873
73738363	1526339	73813118	1624378	73813119	1586385	73838890	1611777	74069952	1646708
74070507	NONE	74089801	NONE	74115800	NONE	74127284	NONE	74176889	1724894
74201836	1767008	74210203	1721249

Correspondence name and address
	VADEN, EICKENROHT, THOMPSON & BOULWARE
	ONE RIVERWAY
	SUITE 1100
	HOUSTON, TX 77056-1903

Assignment: 4

Reel/Frame:	2428/0001	View Recorded Assignment		Pages:	6
		Recorded:	01/15/2002
Conveyance:	MERGER

Assignor

PETROLON, INC.

Exec Dt:	12/26/1991
Entity Type:	CORPORATION
Citizenship:	TEXAS

Assignee

PETROLON MANAGEMENT, INC.

1187 BRITTMOORE ROAD

HOUSTON, TEXAS 77043

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Property

	Ser. #	Reg. #
	72277146	891067

Correspondence name and address
	JENKENS & GILCHRIST P.C,
	MARGARET A. BOULWARE
	1100 LOUISIANA, SUITE 1800
	HOUSTON TX 77002

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