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Reel/Frame:	013625/0865			Pages:	9
		Recorded:	01/02/2003
Conveyance:	RELEASE OF SECURITY AGREEMENT

Total properties: 47

1

Patent #:	4724064	Issue Dt:	02/09/1988	Application #:	06553008	Filing Dt:	11/17/1983
Title:	COMPOSITION AND METHOD FOR COKE RETARDANT DURING HYDROCARBON PROCESSING

2

Patent #:	4578178	Issue Dt:	03/25/1986	Application #:	06607084	Filing Dt:	05/04/1984
Title:	METHOD FOR CONTROLLING FOULING DEPOSIT FORMATION IN A PETROLEUM HYDROCARBON OR PETROCHEMICAL

3

Patent #:	4560481	Issue Dt:	12/24/1985	Application #:	06681054	Filing Dt:	12/13/1984
Title:	METHOD OF CONTROLLING IRON INDUCED FOULING IN WATER SYSTEMS

4

Patent #:	4601815	Issue Dt:	07/22/1986	Application #:	06686859	Filing Dt:	12/27/1984
Title:	PASSIVATION OF FCC CATALYSTS

5

Patent #:	4659459	Issue Dt:	04/21/1987	Application #:	06756524	Filing Dt:	07/18/1985
Title:	AUTOMATED SYSTEMS FOR INTRODUCING CHEMICALS INTO WATER OR OTHER LIQUID TREATMENT SYSTEMS

6

Patent #:	4886575	Issue Dt:	12/12/1989	Application #:	06785420	Filing Dt:	10/08/1985
Title:	DETACKIFICATION OF ADHESIVE MATERIALS CONTAINED IN SECONDARY FIBER WITH POLYVINYL ALCOHOL

7

Patent #:	4673489	Issue Dt:	06/16/1987	Application #:	06786274	Filing Dt:	10/10/1985
Title:	METHOD FOR PREVENTION OF FOULING IN A BASIC SOLUTION BY ADDITION OF SPECIFIC NITROGEN COMPOUNDS

8

Patent #:	4671880	Issue Dt:	06/09/1987	Application #:	06818501	Filing Dt:	01/10/1986
Title:	METHOD FOR INHIBITING ALUMINUM-BASED DEPOSITION IN WATER SYSTEMS

9

Patent #:	4698133	Issue Dt:	10/06/1987	Application #:	06856733	Filing Dt:	04/28/1986
Title:	DETACKIFICATION OF ADHESIVE MATERIALS CONTAINED IN SECONDARY FIBER

10

Patent #:	4659482	Issue Dt:	04/21/1987	Application #:	06861785	Filing Dt:	05/09/1986
Title:	WATER TREATMENT POLYMERS AND METHODS OF USE THEREOF

11

Patent #:	4659481	Issue Dt:	04/21/1987	Application #:	06864049	Filing Dt:	05/16/1986
Title:	WATER TREATMENT POLYMERS AND METHODS OF USE THEREOF

12

Patent #:	4701262	Issue Dt:	10/20/1987	Application #:	06921670	Filing Dt:	10/21/1986
Title:	WATER TREATMENT POLYMERS AND METHODS OF USE THEREOF

13

Patent #:	4725623	Issue Dt:	02/16/1988	Application #:	07018883	Filing Dt:	02/25/1987
Title:	BIOCIDAL COMPOSITIONS AND USE THEREOF CONTAINING A SYNERGISTIC MIXTURE OF 2-BROMO-2-NITROPROPANE-1,3-DIOL AND N-DODECYLGUANIDINE

14

Patent #:	4725624	Issue Dt:	02/16/1988	Application #:	07025313	Filing Dt:	03/13/1987
Title:	BIOCIDAL COMPOSITIONS AND USE THEREOF CONTAINING A SYNERGISTIC MIXTURE OF 2-BROMO-2-NITROPROPANE-1,3-DIOL AND N-ALKYL DIMETHYL BENZYL AMMONIUM CHLORIDE

15

Patent #:	4715931	Issue Dt:	12/29/1987	Application #:	07029827	Filing Dt:	03/24/1987
Title:	PROCESS FOR INHIBITING ALUMINUM HYDROXIDE DEPOSITION IN PAPERMAKING FELTS

16

Patent #:	4717499	Issue Dt:	01/05/1988	Application #:	07031338	Filing Dt:	03/26/1987
Title:	WATER TREATMENT POLYMERS AND METHODS OF USE THEREOF

17

Patent #:	4725587	Issue Dt:	02/16/1988	Application #:	07037475	Filing Dt:	04/13/1987
Title:	BIOCIDAL COMPOSITIONS AND USE THEREOF CONTAINING A SYNERGISTIC MIXTURE OF 2-BROMO-2-NITROPROPANE-1,3-DIOL AND TRI-N-BUTYL TETRADECYL PHOSPHONIUM CHLORIDE

18

Patent #:	4897218	Issue Dt:	01/30/1990	Application #:	07041902	Filing Dt:	04/24/1987
Title:	METHODS FOR SUPPRESSING CEMENT CLINKER DUST EMISSIONS

19

Patent #:	4857209	Issue Dt:	08/15/1989	Application #:	07145659	Filing Dt:	01/13/1988
Title:	METHOD FOR CONTROLLING MACROINVERTEBRATES

20

Patent #:	4853132	Issue Dt:	08/01/1989	Application #:	07161866	Filing Dt:	02/29/1988
Title:	PAINT SPRAY BOOTH TREATMENT

21

Patent #:	4897797	Issue Dt:	01/30/1990	Application #:	07185752	Filing Dt:	04/25/1988
Title:	PROPORTIONAL CHEMICAL FEEDING SYSTEM

22

Patent #:	4867754	Issue Dt:	09/19/1989	Application #:	07198016	Filing Dt:	05/24/1988
Title:	PROCESS AND COMPOSITION FOR STABILIZED DISTILLATE FUEL OILS

23

Patent #:	4872995	Issue Dt:	10/10/1989	Application #:	07203035	Filing Dt:	06/06/1988
Title:	METHOD FOR CALCIUM OXALATE SCALE CONTROL

24

Patent #:	4883566	Issue Dt:	11/28/1989	Application #:	07203779	Filing Dt:	06/07/1988
Title:	ELECTRODE ASSEMBLY FOR IN-SITU MEASUREMENT OF ELECTROLYTIC CONDUCTIVITY OF BOILER WATER

25

Patent #:	4871424	Issue Dt:	10/03/1989	Application #:	07205566	Filing Dt:	06/07/1988
Title:	PROCESS FOR CONTROLLING PITCH DEPOSITION FROM PULP IN PAPERMAKING SYSTEMS

26

Patent #:	4913801	Issue Dt:	04/03/1990	Application #:	07208202	Filing Dt:	06/17/1988
Title:	PASSIVATION OF FCC CATALYSTS

27

Patent #:	4927519	Issue Dt:	05/22/1990	Application #:	07208203	Filing Dt:	06/17/1988
Title:	METHOD FOR CONTROLLING FOULING DEPOSIT FORMATION IN A LIQUID HYDROCARBONACEOUS MEDIUM USING MULTIFUNCTIONAL ANTIFOULANT COMPOSITIONS

28

Patent #:	4927561	Issue Dt:	05/22/1990	Application #:	07208204	Filing Dt:	06/17/1988
Title:	MULTIFUNCTIONAL ANTIFOULANT COMPOSITIONS

29

Patent #:	4971720	Issue Dt:	11/20/1990	Application #:	07209948	Filing Dt:	06/22/1988
Title:	METHOD FOR SUPPRESSING PROCESS DUST EMISSIONS

30

Patent #:	4868263	Issue Dt:	09/19/1989	Application #:	07214989	Filing Dt:	07/05/1988
Title:	NOVEL AMINE-CONTAINING COPOLYMERS AND THEIR USE

31

Patent #:	4906383	Issue Dt:	03/06/1990	Application #:	07215100	Filing Dt:	07/05/1988
Title:	NOVEL AMINE-CONTAINING COPOLYMERS AND THEIR USE

32

Patent #:	4895916	Issue Dt:	01/23/1990	Application #:	07215105	Filing Dt:	07/05/1988
Title:	WATER TREATMENT POLYMERS AND METHODS OF USE THEREOF

33

Patent #:	4895663	Issue Dt:	01/23/1990	Application #:	07220194	Filing Dt:	07/18/1988
Title:	WATER TREATMENT POLYMERS AND METHODS OF USE THEREOF

34

Patent #:	4895664	Issue Dt:	01/23/1990	Application #:	07220195	Filing Dt:	07/18/1988
Title:	WATER TREATMENT POLYMERS AND METHODS OF USE THEREOF

35

Patent #:	4861429	Issue Dt:	08/29/1989	Application #:	07225978	Filing Dt:	07/29/1988
Title:	PROCESS FOR INHIBITING WHITE PITCH DEPOSITION IN PAPERMAKING FELTS

36

Patent #:	4855296	Issue Dt:	08/08/1989	Application #:	07242837	Filing Dt:	09/12/1988
Title:	BIOCIDAL COMPOSITIONS AND USE THEREOF

37

Patent #:	4869845	Issue Dt:	09/26/1989	Application #:	07256825	Filing Dt:	10/12/1988
Title:	WATER TREATMENT COMPOSITIONS

38

Patent #:	4895622	Issue Dt:	01/23/1990	Application #:	07269218	Filing Dt:	11/09/1988
Title:	PRESS FELT CONDITIONER FOR NEUTRAL AND ALKALINE PAPERMAKING SYSTEMS

39

Patent #:	4912247	Issue Dt:	03/27/1990	Application #:	07299484	Filing Dt:	01/19/1989
Title:	ENHANCEMENT OF AROMATIC AMINE INHIBITION OF ACRYLATE MONOMER POLYMERIZATION BY ADDITION OF MANNICH PRODUCTS

40

Patent #:	4906385	Issue Dt:	03/06/1990	Application #:	07305231	Filing Dt:	02/01/1989
Title:	METHOD FOR CONTROLLING MACROINVERTEBRATES

41

Patent #:	4900451	Issue Dt:	02/13/1990	Application #:	07305232	Filing Dt:	02/01/1989
Title:	METHOD OF CONTROLLING MANGANESE DEPOSITION IN OPEN RECIRCULATING AQUEOUS SYSTEMS

42

Patent #:	4931206	Issue Dt:	06/05/1990	Application #:	07313642	Filing Dt:	02/21/1989
Title:	BOILER WATER TREATMENT COMPOSITION

43

Patent #:	4913880	Issue Dt:	04/03/1990	Application #:	07321236	Filing Dt:	03/09/1989
Title:	NOVEL AMINE-CONTAINING COPOLYMERS AND THEIR USE

44

Patent #:	4992210	Issue Dt:	02/12/1991	Application #:	07321424	Filing Dt:	03/09/1989
Title:	CRUDE OIL DESALTING PROCESS

45

Patent #:	5079266	Issue Dt:	01/07/1992	Application #:	07338017	Filing Dt:	04/14/1989
Title:	METHOD OF GENERATING ACROLEIN

46

Patent #:	4883580	Issue Dt:	11/28/1989	Application #:	07338018	Filing Dt:	04/14/1989
Title:	METHODS FOR DEACTIVATING IRON IN HYDROCARBON FLUIDS

47

Patent #:	5601754	Issue Dt:	02/11/1997	Application #:	08426516	Filing Dt:	04/21/1995
Title:	WATER TREATMENT POLYMER CONTAINING POLY[OXY-[(HYDROXYMETHYL)-1,2- ETHANEDIYL]] MACROMONOMERS AND METHODS OF USE THEREOF

Assignor

1

BANK OF AMERICA, N.A., AS COLLATERAL AGENT

Exec Dt:

12/19/2002

Assignees

1

HERCULES INCORPORATED

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

2

HERCULES CREDIT, INC.

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

3

HERCULESE FLAVOR, INC.

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

4

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

5

AQUALON COMPANY

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

6

HERCULES FINANCE COMPANY

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

7

FIBERVISIONS, L.L.C.

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

8

FIBERVISION INCORPORATED

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

9

FIBERVISIONS PRODUCTS, INC.

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

10

HERCULES INTERNATIONAL LIMITED

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

11

BETZDEARBORN, INC.

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

12

BETZDEARBORN EUROPE, INC.

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

13

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

14

BL TECHNOLOGIES, INC.

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

15

BLI HOLDING CORPORATION

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

16

HERCULES SHARED SERVICES CORPORATION

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

17

BETZDEARBORN INTERNATIONAL, INC.

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

18

ATHENS HOLDINGS, INC.

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

19

BETZDEARBORN CHINA, LTD.

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

20

BL CHEMICALS INC.

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

21

CHEMICAL TECHNOLOGIES INDIA, LTD.

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

22

COVINGTON HOLDINGS, INC.

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

23

EAST BAY REALTY SERVICES, INC.

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

24

FIBERVISIONS, L.P.

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

25

HERCULES CHEMICAL CORPORATION

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

26

HERCULES COUNTRY CLUB, INC.

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

27

HERCULES EURO HOLDINGS, LLC

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

28

HERCULES INTERNATIONAL LIMITED, L.L.C.

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

29

HERCULES INVESTMENTS, LLC

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

30

HISPAN CORPORATION

1313 NORTH MARKET STREET

WILMINGTON, DELAWARE 19894-0001

Correspondence name and address
	MOORE & VAN ALLEN, PLLC
	STEVEN D. THOMAS
	2200 WEST MAIN STREET
	SUITE 800
	DURHAM, NC 27705

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