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Reel/Frame:	007846/0309			Pages:	6
		Recorded:	03/07/1996
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 83

Patent #:	4024050	Issue Dt:		Application #:	05625173	Filing Dt:
Title:

Patent #:	4024051	Issue Dt:		Application #:	05633933	Filing Dt:
Title:

Patent #:	4024049	Issue Dt:		Application #:	05633934	Filing Dt:
Title:

Patent #:	4062764	Issue Dt:		Application #:	05709347	Filing Dt:
Title:

Patent #:	4107030	Issue Dt:		Application #:	05769747	Filing Dt:
Title:

Patent #:	4105540	Issue Dt:		Application #:	05860793	Filing Dt:
Title:

Patent #:	4152274	Issue Dt:	05/01/1979	Application #:	05876296	Filing Dt:	02/09/1978
Title:	METHOD FOR REDUCING FRICTION LOSS IN A WELL FRACTURING PROCESS

Patent #:	4229284	Issue Dt:	10/21/1980	Application #:	05905814	Filing Dt:	05/15/1978
Title:	CORROSION CONTROL METHOD USING METHOXYPROPYLAMINE (MOPA) IN WATER-FREE PETROLEUM AND PETROCHEMICAL PROCESS UNITS

Patent #:	4248304	Issue Dt:	02/03/1981	Application #:	06094991	Filing Dt:	11/16/1979
Title:	LARGE SCALE PRODUCTION OF INEXPENSIVE FLOODING POLYMERS FOR TERTIARY OIL RECOVERY

Patent #:	4335072	Issue Dt:	06/15/1982	Application #:	06293620	Filing Dt:	08/17/1981
Title:	OVERHEAD CORROSION SIMULATOR

Patent #:	4502964	Issue Dt:	03/05/1985	Application #:	06530569	Filing Dt:	09/09/1983
Title:	TERPOLYMERS FOR USE AS HIGH TEMPERATURE FLUID LOSS ADDITIVE AND RHEOLOGY STABILIZER FOR HIGH PRESSURE, HIGH TEMPERATURE OIL WELL DRILLING FLUIDS

Patent #:	4502965	Issue Dt:	03/05/1985	Application #:	06530796	Filing Dt:	09/09/1983
Title:	TERPOLYMERS FOR USE AS HIGH TEMPERATURE FLUID LOSS ADDITIVE AND RHEOLOGY STABILIZER FOR HIGH PRESSURE, HIGH TEMPERATURE OIL WELL DRILLING FLUIDS

Patent #:	4502966	Issue Dt:	03/05/1985	Application #:	06530814	Filing Dt:	09/09/1983
Title:	TERPOLYMERS FOR USE AS HIGH TEMPERATURE FLUID LOSS ADDITIVE AND RHEOLOGY STABILIZER FOR HIGH PRESSURE, HIGH TEMPERATURE OIL WELL DRILLING FLUIDS

Patent #:	4514286	Issue Dt:	04/30/1985	Application #:	06544163	Filing Dt:	10/21/1983
Title:	FUEL SWEETENING WITH ORGANIC PEROXIDES

Patent #:	4542253	Issue Dt:	09/17/1985	Application #:	06607052	Filing Dt:	05/04/1984
Title:	USE OF PHOSPHATE AND THIOPHOSPHATE ESTERS NEUTRALIZED WITH WATER SOLUBLE AMINES AS ETHYLENE FURNACE ANTI-COKING ANTIFOULANTS

Patent #:	4564438	Issue Dt:	01/14/1986	Application #:	06739644	Filing Dt:	05/31/1985
Title:	STYRENE-DIALKYL MALEATE COPOLYMERS AS DEWAXING AGENTS

Patent #:	4661120	Issue Dt:	04/28/1987	Application #:	06754304	Filing Dt:	07/12/1985
Title:	DIESEL FUEL ADDITIVE

Patent #:	4600518	Issue Dt:	07/15/1986	Application #:	06754720	Filing Dt:	07/15/1985
Title:	CHOLINE FOR NEUTRALIZING NAPHTHENIC ACID IN FUEL AND LUBRICATING OILS

Patent #:	4589979	Issue Dt:	05/20/1986	Application #:	06768530	Filing Dt:	08/22/1985
Title:	UPGRADING HEAVY GAS OILS

Patent #:	4594147	Issue Dt:	06/10/1986	Application #:	06809652	Filing Dt:	12/16/1985
Title:	CHOLINE AS A FUEL SWEETENER AND SULFUR ANTAGONIST

Patent #:	4678591	Issue Dt:	07/07/1987	Application #:	06848527	Filing Dt:	04/07/1986
Title:	TERPOLYMER COMPOSITION FOR AQUEOUS DRILLING FLUIDS

Patent #:	4693312	Issue Dt:	09/15/1987	Application #:	06915196	Filing Dt:	10/03/1986
Title:	METHOD OF UTILIZING PARAFFIN INHIBITORS

Patent #:	4806229	Issue Dt:	02/21/1989	Application #:	06915953	Filing Dt:	10/03/1986
Title:	VOLATILE AMINES FOR TREATING REFINERY OVERHEAD SYSTEMS

Patent #:	4746459	Issue Dt:	05/24/1988	Application #:	07004761	Filing Dt:	01/09/1987
Title:	SELF-DISPERSING TIN OXIDE SOLS

Patent #:	4817722	Issue Dt:	04/04/1989	Application #:	07041851	Filing Dt:	04/23/1987
Title:	AUTOMATIC WELL TREATMENT METHOD

Patent #:	4863487	Issue Dt:	09/05/1989	Application #:	07043736	Filing Dt:	04/29/1987
Title:	HYDROCARBON FUEL DETERGENT

Patent #:	4752381	Issue Dt:	06/21/1988	Application #:	07051557	Filing Dt:	05/18/1987
Title:	UPGRADING PETROLEUM AND PETROLEUM FRACTIONS

Patent #:	4827033	Issue Dt:	05/02/1989	Application #:	07051558	Filing Dt:	05/18/1987
Title:	NAPHTHENIC ACID AMIDES

Patent #:	4842716	Issue Dt:	06/27/1989	Application #:	07084942	Filing Dt:	08/13/1987
Title:	ETHYLENE FURNACE ANTIFOULANTS

Patent #:	4781845	Issue Dt:	11/01/1988	Application #:	07085735	Filing Dt:	08/17/1987
Title:	HYDROCARBON GELLANT

Patent #:	4770795	Issue Dt:	09/13/1988	Application #:	07088734	Filing Dt:	08/24/1987
Title:	CALCIUM TOLERANT DEFLOCCULANT FOR DRILLING FLUIDS

Patent #:	4795574	Issue Dt:	01/03/1989	Application #:	07119931	Filing Dt:	11/13/1987
Title:	LOW TEMPERATURE BREAKERS FOR GELLED FRACTURING FLUIDS

Patent #:	4949743	Issue Dt:	08/21/1990	Application #:	07132836	Filing Dt:	12/14/1987
Title:	FLUIDIZATION OF HEAVY SLURRIES

Patent #:	4877894	Issue Dt:	10/31/1989	Application #:	07142703	Filing Dt:	01/11/1988
Title:	HYDROCARBON GELLER AND METHOD FOR MAKING THE SAME

Patent #:	RE33856	Issue Dt:	03/24/1992	Application #:	07144260	Filing Dt:	01/15/1988
Title:	TERPOLYMER COMPOSITIONS FOR AQUEOUS DRILLING FLUIDS

Patent #:	5009799	Issue Dt:	04/23/1991	Application #:	07155861	Filing Dt:	02/16/1988
Title:	INORGANIC ACID SOLUTION VISCOSIFIER AND CORROSION INHIBITOR AND METHOD

Patent #:	4902824	Issue Dt:	02/20/1990	Application #:	07191641	Filing Dt:	05/09/1988
Title:	DISPERSANT FOR VINYL ACETATE UNIT FOULING

Patent #:	4835332	Issue Dt:	05/30/1989	Application #:	07238784	Filing Dt:	08/31/1988
Title:	USE OF TRIPHENYLPHOSPHINE AS AN ETHYLENE FURNACE ANTIFOULANT

Patent #:	4874395	Issue Dt:	10/17/1989	Application #:	07239801	Filing Dt:	09/02/1988
Title:	AMINE NEUTRALIZED ALKENYLSUCCINIC ANHYDRIDE PROPYLENE GLYCOL ADDUCTS AS CORROSION INHIBITORS FOR HYDROCARBON FUELS

Patent #:	4895578	Issue Dt:	01/23/1990	Application #:	07241879	Filing Dt:	09/08/1988
Title:	HYDROCARBON FUEL DETERGENT

Patent #:	4997581	Issue Dt:	03/05/1991	Application #:	07272237	Filing Dt:	11/14/1988
Title:	ADDITIVE AND METHOD FOR TEMPORARILY REDUCING PERMEABILITY OF SUBTERRANEAN FORMATIONS

Patent #:	4935542	Issue Dt:	06/19/1990	Application #:	07274565	Filing Dt:	11/22/1988
Title:	NAPHTHENIC ACID AMIDES

Patent #:	RE33855	Issue Dt:	03/24/1992	Application #:	07286887	Filing Dt:	12/20/1988
Title:	TERPOLYMER COMPOSITION FOR AQUEOUS DRILLING FLUIDS

Patent #:	4900426	Issue Dt:	02/13/1990	Application #:	07332649	Filing Dt:	04/03/1989
Title:	TRIPHENYLPHOSPHINE OXIDE AS AN ETHYLENE FURNACE ANTIFOULANT

Patent #:	5028239	Issue Dt:	07/02/1991	Application #:	07351070	Filing Dt:	05/12/1989
Title:	FUEL DEWATERING ADDITIVES

Patent #:	5032297	Issue Dt:	07/16/1991	Application #:	07354042	Filing Dt:	05/19/1989
Title:	ENZYMATICALLY DEGRADABLE FLUID LOSS ADDITIVE

Patent #:	5034139	Issue Dt:	07/23/1991	Application #:	07367798	Filing Dt:	06/19/1989
Title:	POLYMER COMPOSITION COMPRISING PHOSPHOROUS-CONTAINING GELLING AGENT AND PROCESS THEREOF

Patent #:	4938803	Issue Dt:	07/03/1990	Application #:	07375548	Filing Dt:	07/05/1989
Title:	VINYL GRAFTED LIGNITE FLUID LOSS ADDITIVES

Patent #:	4964468	Issue Dt:	10/23/1990	Application #:	07390755	Filing Dt:	08/08/1989
Title:	A METHOD OF INHIBITING CORRSION

Patent #:	5057233	Issue Dt:	10/15/1991	Application #:	07429235	Filing Dt:	10/30/1989
Title:	HYDROCARBON GELLER AND METHOD FOR MAKING THE SAME

Patent #:	5021498	Issue Dt:	06/04/1991	Application #:	07433885	Filing Dt:	11/08/1989
Title:	ASPHALTENE DISPERSANTS - INHIBITORS

Patent #:	5028271	Issue Dt:	07/02/1991	Application #:	07475386	Filing Dt:	02/05/1990
Title:	VINYL GRAFTED LIGNITE FLUID LOSS ADDITIVES

Patent #:	5008035	Issue Dt:	04/16/1991	Application #:	07521954	Filing Dt:	05/11/1990
Title:	FLUIDIZATION OF HEAVY SLURRIES

Patent #:	5156975	Issue Dt:	10/20/1992	Application #:	07530914	Filing Dt:	07/03/1990
Title:	FIELD DISPERSANT TEST PROCESS FOR DETERMINING THE FOULING TENDENCY OF A CRUDE OIL

Patent #:	5024677	Issue Dt:	06/18/1991	Application #:	07536288	Filing Dt:	06/11/1990
Title:	CORROSION INHIBITOR FOR ALCOHOL AND GASOHOL FUELS

Patent #:	5110485	Issue Dt:	05/05/1992	Application #:	07552974	Filing Dt:	07/16/1990
Title:	LIQUID ALUMINUM PHOSPHATE SALT GELLING AGENT

Patent #:	5018577	Issue Dt:	05/28/1991	Application #:	07561854	Filing Dt:	08/02/1990
Title:	PHOSPHINATE INHIBITOR FOR SCALE SQUEEZE APPLICATIONS

Patent #:	5151220	Issue Dt:	09/29/1992	Application #:	07563452	Filing Dt:	08/07/1990
Title:	CHEMICAL ABATEMENT OF CARBONATE CRACKING

Patent #:	5078966	Issue Dt:	01/07/1992	Application #:	07567208	Filing Dt:	08/14/1990
Title:	CARBOHYDRAZIDE TO PREVENT HYDROGEN BLISTERING AND CORROSION OF METAL SURFACES IN CONTACT WITH REFINERY OVERHEAD CONDENSATES

Patent #:	5009267	Issue Dt:	04/23/1991	Application #:	07578883	Filing Dt:	09/07/1990
Title:	METHOD FOR TEMPORARILY REDUCING PERMEABILITY OF SUBTERRANEAN FORMATIONS

Patent #:	5080817	Issue Dt:	01/14/1992	Application #:	07584268	Filing Dt:	09/18/1990
Title:	CORROSION INHIBITOR FOR 2-CYCLE ENGINE OILS COMPRISING DODECENYL SUCCINIC ANHYDRIDE-PROPYLENE GLYCOL

Patent #:	5134215	Issue Dt:	07/28/1992	Application #:	07598059	Filing Dt:	10/15/1990
Title:	METHOD FOR REDUCING FLUID LOSS FROM OILFIELD CEMENT SLURRIES USING VINYL GRAFTED WATTLE TANNIN

Patent #:	5073248	Issue Dt:	12/17/1991	Application #:	07655478	Filing Dt:	02/14/1991
Title:	ASPHALTENE DISPERSANTS - INHIBITORS

Patent #:	5086841	Issue Dt:	02/11/1992	Application #:	07656437	Filing Dt:	02/19/1991
Title:	METHOD OF REDUCING CIRCULATION FLUID LOSS USING WATER ABSORBING POLYMER

Patent #:	5099923	Issue Dt:	03/31/1992	Application #:	07661429	Filing Dt:	02/25/1991
Title:	CLAY STABILIZING METHOD FOR OIL AND GAS WELL TREATMENT

Patent #:	5100531	Issue Dt:	03/31/1992	Application #:	07687160	Filing Dt:	04/18/1991
Title:	REFINERY ANTI-FOULANT - ASPHALTENE DISPERSANT

Patent #:	5147964	Issue Dt:	09/15/1992	Application #:	07690044	Filing Dt:	04/23/1991
Title:	METHOD FOR REDUCING FLUID LOSS FROM OILFIELD CEMENT SLURRIES USING VINYL GRAFTED WATTLE TANNIN

Patent #:	5160425	Issue Dt:	11/03/1992	Application #:	07718623	Filing Dt:	06/21/1991
Title:	METHOD OF INHIBITING FORMATION OF FOULING MATERIALS DURING BASIC WASHING OF HYDROCARBONS CONTAMINATED WITH OXYGEN COMPOUNDS

Patent #:	5157175	Issue Dt:	10/20/1992	Application #:	07767395	Filing Dt:	09/09/1991
Title:	COMPOSITION AND METHOD FOR INHIBITION OF STYRENE POLYMERIZATION

Patent #:	5143594	Issue Dt:	09/01/1992	Application #:	07790314	Filing Dt:	11/12/1991
Title:	REFINERY ANTI-FOULANT - ASPHALTENE DISPERSANT

Patent #:	5152906	Issue Dt:	10/06/1992	Application #:	07792143	Filing Dt:	11/12/1991
Title:	CLAY STABILIZING COMPOSITION FOR OIL AND GAS WELL TREATMENT

Patent #:	5202035	Issue Dt:	04/13/1993	Application #:	07834685	Filing Dt:	02/12/1992
Title:	LIQUID ALUMINUM PHOSPHATE SALT GELLING AGENT

Patent #:	5302253	Issue Dt:	04/12/1994	Application #:	07867890	Filing Dt:	04/13/1992
Title:	ON-LINE ACID MONITOR AND NEUTRALIZER FEED CONTROL OF THE OVERHEAD WATER IN OIL REFINERIES

Patent #:	5285006	Issue Dt:	02/08/1994	Application #:	07904968	Filing Dt:	06/26/1992
Title:	COMPRESSOR FOULING INHIBITION IN VINYL ACETATE PRODUCTION UNITS

Patent #:	5208216	Issue Dt:	05/04/1993	Application #:	07906560	Filing Dt:	06/30/1992
Title:	ACRYLAMIDE TERPOLYMER SHALE STABILIZING ADDITIVE FOR LOW VISCOSITY OIL AND GAS DRILLING

Patent #:	5288394	Issue Dt:	02/22/1994	Application #:	07907320	Filing Dt:	07/01/1992
Title:	PROCESS FOR THE PREVENTION OF POLYMER FORMATION IN COMPRESSOR SYSTEM

Patent #:	5232963	Issue Dt:	08/03/1993	Application #:	07911231	Filing Dt:	07/09/1992
Title:	DISPERSING GUMS IN HYDROCARBON STREAMS WITH ALPHA-OLEFIN/MALEIC ANHYDRIDE COPOLYMER

Patent #:	5302293	Issue Dt:	04/12/1994	Application #:	07912871	Filing Dt:	07/13/1992
Title:	METHOD OF CONTROLLING IRON IN PRODUCED OILFIELD WATERS

Patent #:	5252254	Issue Dt:	10/12/1993	Application #:	07998437	Filing Dt:	12/30/1992
Title:	NAPHTHENIC ACID CORROSION INHIBITOR

Patent #:	4034809	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4105582	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4226700	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4140491	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Assignor

NALCO CHEMICAL COMPANY

Exec Dt:

09/01/1994

Assignee

NALCO/ EXXON ENERGY CHEMICALS, L.P.

LIMITED PARTNERSHIP

7705 HIGHWAY 90-A

SUGARLAND, TEXAS 77478

Correspondence name and address
	NALCO CHEMICAL COMPANY
	ROBERT A. MILLER
	PATENT & LICENSING DEPT.
	ONE NALCO CENTER
	NAPERVILLE, IL 60563-1198

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