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Shunong Yang, Michael V Enzien, May M Wu, William F McCoy: Method of controlling biofouling in aqueous media using antimicrobial emulsions. Nalco Chemical Company, Kelly L Cummings, Thomas M Breininger, August 1, 2000: US06096225 (12 worldwide citation)

A method is disclosed for controlling biofouling in an aqueous medium by treating the aqueous medium with an oil-in-water emulsion comprising an antimicrobial oil phase and at least one emulsifier. This method efficiently controls biofouling in the aqueous medium by specifically targeting the antimi ...


32
Paul Fearnside, Christopher J Murphy: Process using amine blends to inhibit chloride corrosion in wet hydrocarbon condensing systems. Nalco Chemical Company, Robert A Miller, Kelly L Cummings, February 3, 1998: US05714664 (12 worldwide citation)

The disclosure is a process for inhibiting corrosion in condensing systems comprising wet hydrocarbons and chloride which comprises feeding a mixture of amines to the condensing system to elevate the pH profile of condensed water above the range in which severe corrosion of system internals can occu ...


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Andrew J Cooper, Anthony W Dallmier, Robert F Kelly, William F McCoy, Xi Ma: Composition and method for controlling biological growth using stabilized sodium hypobromite in synergistic combinations. Nalco Chemical Company, Kelly L Cummings, Thomas M Breininger, July 16, 2002: US06419879 (12 worldwide citation)

A synergistic composition and method for controlling biological growth in industrial fluids are disclosed, wherein the composition comprises stabilized sodium hypobromite and at least one compound selected from the group consisting of coco alkyldimethylamine oxide, n-coco alkyltrimethylenediamine, t ...


34
Michael G Strominger, Keith D Gibbs: Biopolymer use as a sand filter aid. Nalco Chemical Company, Robert A Miller, James J Drake, Kelly L Cummings, February 10, 1998: US05716530 (11 worldwide citation)

In the Bayer process for producing alumina from bauxite of the type wherein the bauxite is added to a caustic solution to produce a soluble aluminate solution and an insoluble red mud fraction which is then subjected to one or more separation steps to produce a thickener overflow which is then subje ...


35
Anita R Mokadam: Surfactant additive for oil field acidizing. Nalco Exxon Energy Chemicals, Thomas M Breininger, Kelly L Cummings, Robert L Graham, August 25, 1998: US05797456 (11 worldwide citation)

Subterranean oil-bearing formations are treated with aqueous acid solutions which include an effective amount of an ester or salts of sulfonated fatty acids, which exhibits both antisludge and demulsification properties.


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Anthony G Sommese, Jitendra Shah: Method of dewatering difficult sludges. Nalco Chemical Company, Kelly L Cummings, Thomas M Breininger, July 4, 2000: US06083404 (11 worldwide citation)

The present invention provides a new method for dewatering difficult sludges, such as autothermal thermophilic aerobic digestion sludges. The method incorporates a three-component treatment system. Initially, the difficult sludge is dosed with an inorganic coagulant and then the resulting sludge-ino ...


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Sivakumar Ananthasubramanian, Jitendra T Shah, Jeffrey R Cramm: Tagged epichlorohydrin-dimethylamine copolymers for use in wastewater treatment. Nalco Chemical Company, Robert A Miller, Kelly L Cummings, January 6, 1998: US05705394 (10 worldwide citation)

The invention comprises a method of determining the concentration of a water soluble polymeric treating agent added to wastewater treatment system. The method comprises several steps including dosing the body of water with a predetermined concentration of a treating agent having a fluorescent tag co ...


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Zara Hyde, Vincent E Lewis: Method for inhibiting polymer formation in styrene processing. Nalco Exxon Energy Chemicals, Kelly L Cummings, Thomas M Breininger, June 8, 1999: US05910232 (9 worldwide citation)

Inhibition performance is improved in styrene processing through the addition of a stable nitroxide free radical compound to the styrene feed and to the reflux of at least one column.


40
Duane S Treybig, Dennis A Williams: Method of inhibiting corrosion of metal equipment which is cleaned with an inorganic acid. Ondeo Nadco Company, Kelly L Cummings, Thomas M Breininger, April 1, 2003: US06540943 (9 worldwide citation)

The corrosion of metal equipment which is cleaned with an inorganic acid is inhibited by treating the equipment with a corrosion inhibitor composition containing at least one quaternary ammonium compound, a sulfur-containing compound and a nonionic surfactant in a solvent.