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Mark A Vorderbruggen, Dennis A Williams: Acid corrosion inhibitor. Nalco Exxon Energy Chemicals, Kelly L Cummings, Thomas M Breininger, September 12, 2000: US06117364 (17 worldwide citation)

An acid corrosion inhibitor composition is provided for petroleum wells and water wells subjected to stimulation with acid solutions. The inhibitor combines cinnamaldehyde and an organo-sulfur compound. The inhibitor provides a reduced rate of corrosion and fewer instances of pitting than inhibitors ...


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F Philip Yu, Anthony W Dallmier: Method of removing biofilms from surfaces submerged in a fouled water system. Nalco Chemical Company, Kelly L Cummings, Thomas M Breininger, June 27, 2000: US06080323 (17 worldwide citation)

A method is disclosed for removing biofilms from surfaces submerged in a fouled water system by adding to the water system an alkyl polyglycoside having the chemical formula: ##STR1## wherein R is a C.sub.8 -C.sub.16 alkyl chain and DP is from 0 to 3 carbohydrate units.


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Arthur James Begala, Bruce A Keiser: Preparation of anionic nanocomposites and their use as retention and drainage aids in papermaking. Nalco Chemical Company, Kelly L Cummings, Margaret M Brumm, Thomas M Breininger, July 4, 2000: US06083997 (14 worldwide citation)

Anionic nanocomposites for use as retention and drainage aids in papermaking are prepared by adding an anionic polyelectrolyte to a sodium silicate solution and then combining the sodium silicate and polyelectrolyte solution with silicic acid.


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Jeffrey A Jankowski, Calvin T Tobison: Starch/cationic polymer combinations as coagulants for the mining industry. Nalco Chemical Company, Kelly L Cummings, Thomas M Breininger, March 28, 2000: US06042732 (14 worldwide citation)

A method for dewatering coal tailings, clean coal products and mineral slurries with an effective coagulating amount of a combination of a cationic polymer and a starch. A preferred cationic polymer is poly(dimethylaminoethylacrylate methyl chloride quaternary salt) and preferred starches are unmodi ...


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Robert E McCarthy, Anthony W Dallmier, William F McCoy: Composition and method for inhibiting the growth of microorganisms including stabilized sodium hypobromite and isothiazolones. Nalco Chemical Company, Kelly L Cummings, Thomas M Breininger, November 27, 2001: US06322749 (14 worldwide citation)

A synergistic composition and method for inhibiting microbiological growth which comprises a combination of stabilized sodium hypobromite with a mixture of 5-chloro-2-methyl 4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one.


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Christopher P Howland, Kevin J Moeggenborg, John D Morris, Peter E Reed, Jiansheng Tang, Jin shan Wang: Preparation and utility of water-soluble polymers having pendant derivatized amide, ester or ether functionalities as ceramics dispersants and binders. Nalco Chemical Company, Robert A Miller, Kelly L Cummings, March 10, 1998: US05726267 (13 worldwide citation)

Methods for dispersing and binding ceramic materials in aqueous media are disclosed. The methods utilize water-soluble polymers having pendant derivatized amide, ester or ether functionalities for dispersing and binding various classes of ceramic materials.


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Kristine S Salmen, Angela S Kowalski, E H Kelle Zeiher, William J Ward: Composition and method for simultaneously precipitating metal ions from semiconductor wastewater and enhancing microfilter operation. Nalco Chemical Company, Margaret M Brumm, Thomas M Breininger, Kelly L Cummings, July 10, 2001: US06258277 (13 worldwide citation)

The simultaneous precipitation of soluble heavy metal ions from semiconductor wastewater containing abrasive solids and enhancement of microfilter operation is achieved through the addition of an effective amount of a water-soluble polymer containing dithiocarbamate functionalities to the wastewater ...


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Merle L Branning: Quick inverting liquid flocculant. Ondeo Nalco Company, Kelly L Cummings, Thomas M Breininger, November 26, 2002: US06485651 (13 worldwide citation)

This invention is directed to methods for quickly inverting and dispersing a flocculant in an aqueous slurry to achieve settlement of solids and clarification of the slurry water. In particular, this invention relates to methods for quickly inverting a flocculant-containing emulsion in-line without ...