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Reel/Frame:	012312/0854			Pages:	10
		Recorded:	12/07/2001
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).

Total properties: 194
Page 1 of 2
Pages: 1 2

Patent #:	4436638	Issue Dt:	03/13/1984	Application #:	06288110	Filing Dt:	07/29/1981
Title:	ADDITIVE COMPOSITION FOR RELEASE OF STUCK DRILL PIPE

Patent #:	4447338	Issue Dt:	05/08/1984	Application #:	06292235	Filing Dt:	08/12/1981
Title:	DRILLING MUD VISCOSIFICATION AGENTS BASED ON SULFONATED IONOMERS

Patent #:	4442014	Issue Dt:	04/10/1984	Application #:	06344606	Filing Dt:	02/01/1982
Title:	USE OF ESTERS OF SULFONIC ACIDS AS ANTI-SLUDGE AGENTS DURING THE ACIDIZING OF FORMATIONS CONTAINING SLUDGING CRUDE OILS

Patent #:	4525522	Issue Dt:	06/25/1985	Application #:	06416935	Filing Dt:	09/13/1982
Title:	DRILLING FLUIDS BASED ON SULFONATED THERMOPLASTIC POLYMERS HAVING IMPROVED LOW TEMPERATURE RHEOLOGICAL PROPERTIES

Patent #:	4425462	Issue Dt:	01/10/1984	Application #:	06416937	Filing Dt:	09/13/1982
Title:	DRILLING FLUIDS BASED ON SULFONATED ELASTOMERIC POLYMERS

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 #:	4515759	Issue Dt:	05/07/1985	Application #:	06549274	Filing Dt:	11/03/1983
Title:	PROCESS OF REMOVING HYDROGEN SULFIDE FROM GAS MIXTURES

Patent #:	4515708	Issue Dt:	05/07/1985	Application #:	06552402	Filing Dt:	11/16/1983
Title:	CORROSION INHIBITORS

Patent #:	4510998	Issue Dt:	04/16/1985	Application #:	06556398	Filing Dt:	11/30/1983
Title:	FLUID LOSS ADDITIVE FOR WELL DRILLING

Patent #:	4551239	Issue Dt:	11/05/1985	Application #:	06631980	Filing Dt:	07/18/1984
Title:	WATER BASED DEMULSIFIER FORMULATION AND PROCESS FOR ITS USE IN DEWATERING AND DESALTING CRUDE HYDROCARBON OILS

Patent #:	4539099	Issue Dt:	09/03/1985	Application #:	06652792	Filing Dt:	09/20/1984
Title:	PROCESS FOR THE REMOVAL OF SOLIDS FROM AN OIL

Patent #:	4671103	Issue Dt:	06/09/1987	Application #:	06720840	Filing Dt:	04/08/1985
Title:	METHOD FOR DETERMINING CRUDE OIL FOULING BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY

Patent #:	4751187	Issue Dt:	06/14/1988	Application #:	06723598	Filing Dt:	04/15/1985
Title:	CHROMATOGRAPHIC METHOD FOR DETERMINING FOULING TENDENCY OF LIQUID HYDROCARBONS

Patent #:	4614235	Issue Dt:	09/30/1986	Application #:	06723608	Filing Dt:	04/15/1985
Title:	USE OF MONO AND POLYALKYLENE GLYCOL ETHERS AS AGENTS FOR THE RELEASE OF DIFFERENTIALLY STUCK DRILL PIPE

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

Patent #:	4670131	Issue Dt:	06/02/1987	Application #:	06818583	Filing Dt:	01/13/1986
Title:	METHOD FOR CONTROLLING FOULING OF HYDROCARBON COMPOSITIONS CONTAINING OLEFINIC COMPOUNDS

Patent #:	4690805	Issue Dt:	09/01/1987	Application #:	06838379	Filing Dt:	03/11/1986
Title:	PROCESS FOR REMOVAL OF MERCAPTANS FROM GAS STREAMS

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

Patent #:	4673436	Issue Dt:	06/16/1987	Application #:	06855020	Filing Dt:	04/22/1986
Title:	N, S CONTAINING CORROSION INHIBITORS

Patent #:	4710303	Issue Dt:	12/01/1987	Application #:	06896354	Filing Dt:	08/14/1986
Title:	LOW MOLECULAR WEIGHT POLYVINYL SULFONATE FOR LOW PH BARIUM SULFATE SCALE CONTROL

Patent #:	4781892	Issue Dt:	11/01/1988	Application #:	06910910	Filing Dt:	09/24/1986
Title:	APPARATUS AND METHOD FOR DETERMINING FOULING TENDENCY OF LIQUID HYDROCARBONS

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

Patent #:	4738897	Issue Dt:	04/19/1988	Application #:	07049869	Filing Dt:	05/13/1987
Title:	POLYMER ARTICLE AND ITS USE FOR CONTROLLED INTRODUCTION OF REAGENT INTO A FLUID

Patent #:	4758371	Issue Dt:	07/19/1988	Application #:	07062207	Filing Dt:	06/15/1987
Title:	PROCESS AND COMPOSITION FOR REMOVAL OF MERCAPTANS FROM GAS STREAMS

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

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

Patent #:	4938925	Issue Dt:	07/03/1990	Application #:	07191929	Filing Dt:	05/09/1988
Title:	METHOD OF INHIBITING CORROSION USING N-S CONTAINING COMPOUNDS

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 #:	4931164	Issue Dt:	06/05/1990	Application #:	07270545	Filing Dt:	11/14/1988
Title:	ANTIFOULANT ADDITIVE FOR LIGHT END HYDROCARBONS

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 #:	5002673	Issue Dt:	03/26/1991	Application #:	07332629	Filing Dt:	03/31/1989
Title:	CORROSION INHIBITOR AND METHOD OR USE

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 #:	5021167	Issue Dt:	06/04/1991	Application #:	07377880	Filing Dt:	07/10/1989
Title:	METHOD FOR SEPARATING LIQUID FROM WATER USING AMINE CONTAINING POLYMERS

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

Patent #:	5000835	Issue Dt:	03/19/1991	Application #:	07416051	Filing Dt:	10/02/1989
Title:	METHOD OF REDUCING H2S IN ASPHALT

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

Patent #:	5085710	Issue Dt:	02/04/1992	Application #:	07429360	Filing Dt:	10/31/1989
Title:	METHOD OF USING AN AQUEOUS CHEMICAL SYSTEM TO RECOVER HYDROCARBON AND MINIMIZE WASTES FROM SLUDGE DEPOSITS IN OIL STORAGE TANKS

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

Patent #:	5104545	Issue Dt:	04/14/1992	Application #:	07451219	Filing Dt:	12/15/1989
Title:	PROCESS FOR REMOVING WATER SOLUBLE ORGANIC COMPOUNDS FROM PRODUCED WATER

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

Patent #:	5089153	Issue Dt:	02/18/1992	Application #:	07494673	Filing Dt:	03/16/1990
Title:	METHOD OF INHIBITING CORROSION IN ACIDIZING WELLS

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 #:	5182013	Issue Dt:	01/26/1993	Application #:	07631422	Filing Dt:	12/21/1990
Title:	NAPHTHENIC ACID CORROSION INHIBITORS

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 #:	5130034	Issue Dt:	07/14/1992	Application #:	07674612	Filing Dt:	03/25/1991
Title:	CORROSION INHIBITOR AND METHOD OF USE

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

Patent #:	5110997	Issue Dt:	05/05/1992	Application #:	07688053	Filing Dt:	04/19/1991
Title:	PROCESS FOR PREVENTING FOULING IN THE PRODUCTION OF ETHYLENE DICHLORIDE

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 #:	5132225	Issue Dt:	07/21/1992	Application #:	07715329	Filing Dt:	06/14/1991
Title:	METHOD FOR CONTINUAL MONITORING AND TREATING A HYDROCARBON OIL STREAM

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 #:	5130471	Issue Dt:	07/14/1992	Application #:	07756099	Filing Dt:	09/06/1991
Title:	STABILIZED ACRYLIC MONOMER COMPOSITIONS

Patent #:	5200096	Issue Dt:	04/06/1993	Application #:	07768060	Filing Dt:	09/27/1991
Title:	METHOD OF INHIBITING CORROSION IN ACIDIZING WELLS

Patent #:	5213691	Issue Dt:	05/25/1993	Application #:	07772173	Filing Dt:	10/07/1991
Title:	PHOSPHONATE-CONTAINING POLYMERS FOR CONTROLLING SCALE IN UNDERGROUND PETROLEUM-CONTAINING FORMATIONS AND EQUIPMENT ASSOCIATED THEREWITH

Patent #:	5167828	Issue Dt:	12/01/1992	Application #:	07772174	Filing Dt:	10/07/1991
Title:	PHOSPHINATE-CONTAINING POLYMERS FOR CONTROLLING SCALE IN UNDERGROUND PETROLEUM-CONTAINING FORMATIONS AND EQUIPMENT ASSOCIATED THEREWITH

Patent #:	5217074	Issue Dt:	06/08/1993	Application #:	07784532	Filing Dt:	10/29/1991
Title:	METHOD OF FRACTURING FORMATIONS

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 #:	5192336	Issue Dt:	03/09/1993	Application #:	07802157	Filing Dt:	12/04/1991
Title:	ANTI-FOAM FOR DIESEL FUEL

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

Patent #:	5209859	Issue Dt:	05/11/1993	Application #:	07835704	Filing Dt:	02/12/1992
Title:	INHIBITED ACID SYSTEM FOR ACIDIZING WELLS

Patent #:	5340210	Issue Dt:	08/23/1994	Application #:	07841977	Filing Dt:	02/25/1992
Title:	APPARATUS FOR BLENDING CHEMICALS WITH A REVERSIBLE MULTI- SPEED PUMP

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 #:	5240469	Issue Dt:	08/31/1993	Application #:	07874790	Filing Dt:	04/27/1992
Title:	AN ANTIFOULANT COMPOSTION COMPRISING AN ACRYLATE ESTER CONTAINING C4- C22 ALCOHOL ESTER AND AMINO ALCOHOL ESTER AND PHENYLENE DIAMINE

Patent #:	5342530	Issue Dt:	08/30/1994	Application #:	07877763	Filing Dt:	05/04/1992
Title:	CLAY STABILIZER

Patent #:	5300235	Issue Dt:	04/05/1994	Application #:	07882833	Filing Dt:	05/14/1992
Title:	CORROSION INHIBITORS

Patent #:	5427999	Issue Dt:	06/27/1995	Application #:	07882848	Filing Dt:	05/14/1992
Title:	AMINE ADDUCTS AS CORROSION INHIBITORS

Patent #:	5226186	Issue Dt:	07/13/1993	Application #:	07909146	Filing Dt:	07/06/1992
Title:	WATERBED MATTRESS WITH DRAINING SYSTEM

Patent #:	5214224	Issue Dt:	05/25/1993	Application #:	07910230	Filing Dt:	07/09/1992
Title:	DISPERSING ASPHALTENES IN HYDROCARBON REFINERY STREAMS WITH ALPHA-OLEFIN/MALEIC ANHYDRIDE COPOLYMER

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 #:	5254760	Issue Dt:	10/19/1993	Application #:	07921824	Filing Dt:	07/29/1992
Title:	INHIBITING POLYMERIZATION OF VINYL AROMATIC MONOMERS

Patent #:	5277250	Issue Dt:	01/11/1994	Application #:	07929110	Filing Dt:	09/30/1992
Title:	INJECTOR QUILL

Patent #:	5275760	Issue Dt:	01/04/1994	Application #:	07936750	Filing Dt:	08/27/1992
Title:	GELLED CORROSION INHIBITION METHOD

Patent #:	5258138	Issue Dt:	11/02/1993	Application #:	07956436	Filing Dt:	10/02/1992
Title:	PROCESS FOR STABILIZING ETHYLENICALLY UNSATURATED COMPOUNDS AND STABILIZED MONOMER COMPOSITIONS

Patent #:	5290888	Issue Dt:	03/01/1994	Application #:	07956437	Filing Dt:	10/02/1992
Title:	PROCESS FOR STABILIZING ETHYLENICALLY UNSATURATED COMPOUNDS AND STABILIZED MONOMER COMPOSITIONS

Patent #:	5322630	Issue Dt:	06/21/1994	Application #:	07962494	Filing Dt:	10/15/1992
Title:	AMINE DERIVATIVES AS CORROSION INHIBITORS

Patent #:	5288925	Issue Dt:	02/22/1994	Application #:	07983202	Filing Dt:	11/30/1992
Title:	METHOD FOR INHIBITING THE DEPOSITION OF ETHYLENE-VINYL ALCOHOL COPOLYMER

Patent #:	5302681	Issue Dt:	04/12/1994	Application #:	07989933	Filing Dt:	12/10/1992
Title:	POLYMERIZATION INHIBITION BY FULLERENES

Patent #:	5294347	Issue Dt:	03/15/1994	Application #:	07992276	Filing Dt:	12/16/1992
Title:	NEW DISPERSION POLYMERS FOR ETHYLENE QUENCH WATER CLARIFICATION

Patent #:	5354450	Issue Dt:	10/11/1994	Application #:	08044183	Filing Dt:	04/07/1993
Title:	PHOSPHOROTHIOATE COKING INHIBITORS

Patent #:	5324393	Issue Dt:	06/28/1994	Application #:	08048337	Filing Dt:	04/15/1993
Title:	FOULING PREVENTION IN ETHYLENE DICHLORIDE DISTILLATION UNITS

Patent #:	5354453	Issue Dt:	10/11/1994	Application #:	08048358	Filing Dt:	04/13/1993
Title:	REMOVAL OF H2S FROM A HYDROCARBON LIQUID

Patent #:	5332491	Issue Dt:	07/26/1994	Application #:	08057506	Filing Dt:	05/04/1993
Title:	IRON SULFIDE DISPERSING AGENTS

Patent #:	5332842	Issue Dt:	07/26/1994	Application #:	08060871	Filing Dt:	05/13/1993
Title:	PROCESS FOR INHIBITING OXIDATION AND POLYMERIZATION OF FURFURAL AND ITS DERIVATIVES

Patent #:	5370184	Issue Dt:	12/06/1994	Application #:	08070216	Filing Dt:	06/02/1993
Title:	METHOD OF TREATING FORMATIONS

Patent #:	5322640	Issue Dt:	06/21/1994	Application #:	08070598	Filing Dt:	06/01/1993
Title:	WATER SOLUBLE CORROSION INHIBITORS

Patent #:	5360531	Issue Dt:	11/01/1994	Application #:	08071458	Filing Dt:	06/02/1993
Title:	PHOSPHORIC TRIAMIDE COKING INHIBITORS

100

Patent #:	5385605	Issue Dt:	01/31/1995	Application #:	08088050	Filing Dt:	07/07/1993
Title:	SYNERGISTIC ANTI-MICROBIAL COMPOSITIONS COMPRISING METHYLENE(BISTHIOCYANATE) AND 2-BROMO-2-NITRO-PROPANE-1,3-DIOL

Assignor

NALCO/EXXON ENERGY CHEMICALS, L.P.

Exec Dt:

06/14/2001

Assignee

ONDEO NALCO ENERGY SERVICES, L.P.

7701 HIGHWAY 90-A

SUGAR LAND, TEXAS 77478

Correspondence name and address
	ONDEO NALCO COMPANY
	MICHAEL B. MARTIN
	ONDEO NALCO CENTER
	NAPERVILLE, IL 60563-1198

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