Abstract: A method of inhibiting corrosion in aqueous systems comprising adding to the system a composition comprising mono, bis and oligomeric phosphinosuccinic acid adducts and a method of preparing a composition comprising mono, bis and oligomeric phosphinosuccinic acid adducts comprising adding hypophosphite to fumaric acid slurry or solution in water to create a reaction mixture; and effecting a reaction by introducing a free radical initiator to the reaction mixture.
Abstract: A cosmetically acceptable hair fixative composition comprising from about 0.1 to about 10 weight percent, based on polymer solids, of an anionic polymer, wherein the anionic polymer is composed of from about 10 to about 80 mole percent of 2-acrylamido-2-methyl-1-propanesulfonic acid or a base addition salt thereof and from about 90 to about 20 mole percent of one or more anionic or nonionic monomers and a method of fixing hair are disclosed.
Type:
Grant
Filed:
April 12, 2001
Date of Patent:
May 27, 2003
Assignee:
Ondeo Nalco Company
Inventors:
Yin Z. Hessefort, Douglas E. Betts, Wayne M. Carlson
Abstract: A water-soluble branched polyhydroxyetheramine, wherein the branched polyhydroxyetheramine is prepared by reacting an amine having two reactive hydrogen atoms with a diepoxide to form a polyhydroxyetheramine and then reacting the polyhydroxyetheramine with an N-alkylating agent, an aqueous composition comprising the branched polyhydroxyetheramine and use of the branched polyhydroxyetheramine to modify the permeability to water of a subterranean formation are disclosed.
Type:
Grant
Filed:
December 20, 2001
Date of Patent:
May 27, 2003
Assignee:
Ondeo Nalco Energy Services, L.P.
Inventors:
Duane Treybig, Kin-Tai Chang, Dennis Williams
Abstract: A non-oil-based release aid used in a creping process for releasing a paper web from a Yankee dryer in the manufacture of a paper product having a formula for its block version as follows:
R—(OC3H6)y(OC2H4)zOH;
where R is a C8 to C20 alkyl or alkylaryl group, y plus z is greater than 20, and y is greater than z. The y moles of propylene oxide (OC3H6) and the z moles of ethylene oxide (OC2H4) may be added in random or block fashion. Examples of the chemical compound for the release aid are alkoxylated alkylphenols, alkoxylated fatty acids, and alkoxylated alcohols. A preferred chemical compound is an alkoxylated tall oil fatty acid. The release aid may optionally comprise from about 0% to about 20% by weight of an emulsifying surfactant. The release aid may comprise 70% to 100% by weight of the chemical compound, 0% to 20% by weight of emulsifying surfactants, and 0% to 10% by weight water.
Type:
Grant
Filed:
March 30, 2000
Date of Patent:
May 13, 2003
Assignee:
Calgon Corporation
Inventors:
Sammy L. Archer, Robert E. Dristas, Ross T. Gray
Abstract: An aqueous emulsion containing from about 0.1 to about 70 weight percent of a mixture of
a) one or more alkoxylated alcohols of formula
RO(C2H4O)x(C3H6O)yZ
wherein R is straight or branched C4-C40 alkyl; x is 0 to about 25; y is less than 1 to about 50 and Z is H or the residue of an organic acid, and
b) an effective emulsifying amount of one or more anionic surfactants and use of the emulsion to inhibit foaming in papermaking processes.
Type:
Grant
Filed:
August 30, 2001
Date of Patent:
May 13, 2003
Assignee:
Ondeo Nalco Company
Inventors:
Gilles Corbel, James J. Svarz, Alan Smith
Abstract: A method of flocculating suspended solids in a Bayer process liquor comprising adding to the liquor an effective amount of a polymer comprising salicylic acid groups.
Type:
Grant
Filed:
January 29, 2001
Date of Patent:
March 4, 2003
Assignee:
Ondeo Nalco Company
Inventors:
Murat Quadir, Everett C. Phillips, Larry E. Brammer, Jr., Robert P. Mahoney, John D Kildea, Manian Ramesh, John T. Malito
Abstract: A method of dispersing hydrophobic particles in aqueous suspensions comprising adding to the suspension an effective amount of an ethylene oxide-propylene oxide block copolymer, wherein the copolymer has a molecular weight of from about 1,000 to about 50,000 and a HLB of from about 1 to about 4 and compositions comprising the ethylene oxide-propylene oxide block copolymer.
Type:
Grant
Filed:
May 8, 2000
Date of Patent:
February 25, 2003
Assignee:
Ondeo Nalco Company
Inventors:
Sameer B. Agarwal, Phillip W. Carter, Martin J. Coffey
Abstract: This invention is directed to a method of improving retention and drainage performance in a papermaking process comprising adding to the furnish an effective amount of a low molecular weight water-soluble cationic dispersion polymer prepared by polymerizing one or more cationic monomers and one or more nonionic monomers and one or more chain transfer agents under free radical forming conditions in an aqueous solution of an anionic salt in the presence of a stabilizer polymer, wherein the cationic dispersion has a cationic charge of from about 10 mole percent to about 80 mole percent and an RSV of from about 0.2 dl/g to about 6 dl/g.
Type:
Grant
Filed:
January 4, 2002
Date of Patent:
February 11, 2003
Assignee:
Ondeo Nalco Company
Inventors:
Richard P. Cardile, John W. Sparapany, Cathy C. Johnson, Angela P. Zagala
Abstract: An embodiment of the present invention described and shown in the specification is a method for the preparation of a purified sugary juice from raw juices obtained from sacchariferous material of vegetable origin. The embodiment of the method that is disclosed includes the steps of coarse-filtering the raw juices, adding a suitable processing adjuvant to the juice, separating the juice from suspended phases and membrane-filtering the juice thus obtained. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).
Type:
Grant
Filed:
November 27, 2000
Date of Patent:
January 21, 2003
Assignee:
Ondeo Nalco Company
Inventors:
Fabrizio Ciaralli, Ernesto Carosini, Anja de Reus-Jorna, Franco Maniscalco
Abstract: This invention relates to a method for inhibiting the formation and deposition of silica scale in water systems. The method includes treating the water in such water systems with an effective amount of a polyamide that contains secondary amine and/or ether and amide functional groups.
Type:
Grant
Filed:
October 30, 2000
Date of Patent:
October 8, 2002
Assignee:
Nalco Chemical Company
Inventors:
Konstantinos Demadis, Douglas G. Kelley, David P. Workman, Mingli Wei
Abstract: This invention is directed to a composition comprising expandable cross linked polymeric microparticles having an unexpanded volume average particle size diameter of from about 0.05 to about 10 microns and a cross linking agent content of from about 9,000 to about 200,000 ppm of labile cross linkers and from 0 to about 300 ppm of non-labile cross linkers and to the use of the composition for modifying the permeability of subterranean formations and increasing the mobilization and/or recovery rate of hydrocarbon fluids present in the formations.
Type:
Grant
Filed:
June 14, 2000
Date of Patent:
September 24, 2002
Assignee:
Ondeo Nalco Energy Services, L.P.
Inventors:
Kin-Tai Chang, Harry Frampton, James C. Morgan
Abstract: This invention concerns a method of increasing retention and drainage in a papermaking furnish comprising adding to the furnish an effective amount of a structurally rigid polymeric coagulant and an effective flocculating amount of a flocculant and a microparticle.
Abstract: This invention concerns a method of increasing retention and drainage in a papermaking furnish comprising adding to the furnish an effective amount of a structurally rigid nonionic or anionic polymer.
Type:
Grant
Filed:
December 20, 2000
Date of Patent:
September 3, 2002
Assignee:
Nalco Chemical Company
Inventors:
William J. Ward, Andrew J. Dunham, Phillip W. Carter, Andrei S. Zelenev
Abstract: This invention is directed to a method of increasing retention and drainage in a papermaking furnish comprising adding to the furnish an effective flocculating amount of a high molecular weight water-soluble anionic or nonionic dispersion polymer.
Type:
Grant
Filed:
October 15, 2001
Date of Patent:
August 13, 2002
Assignee:
Nalco Chemical Company
Inventors:
Jane B. Wong Shing, Chidambaram Maltesh, John R. Hurlock
Abstract: The present invention relates to a novel process for the production of a water soluble polymer dispersion from vinylamide monomers, and, more particularly, polymers formed from N-vinylformamide monomers.
Type:
Grant
Filed:
May 28, 1997
Date of Patent:
July 30, 2002
Assignee:
Nalco Chemical Company
Inventors:
Dodd W. Fong, Manian Ramesh, Anthony G. Sommese
Abstract: The invention is concerned with water soluble high-molecular weight quaternary ammonium graft polymer, wherein ammonium salt side chains are grafted onto a polyamine backbone under free radical conditions, and wherein the initiator system comprises a free radical-producing oxidizing agent and the polyamine backbone polymer.
Type:
Grant
Filed:
February 8, 1999
Date of Patent:
July 23, 2002
Assignee:
Nalco Chemical Company
Inventors:
Mathias Hahn, Werner Jaeger, Jeffrey R. Cramm
Abstract: Disclosed herein is an inverse emulsion polymer composition comprising a copolymer or copolymer salt of N,N,-dimethylacrylamide and 2-acrylamido-2-methylpropane sulfonic acid or acid salts thereof, having a Brookfield viscosity of less than 20,000 Cps at 23° C. and an active polymer concentration of about 25 to about 75 weight percent. The inverse emulsion polymer composition is in a hydrocarbon with a primary surfactant and optionally contains water.
Type:
Grant
Filed:
August 18, 1999
Date of Patent:
July 2, 2002
Assignee:
Calgon Corporation
Inventors:
Randy J. Loeffler, Shih-Ruey T. Chen, Kevin W. Frederick, James E. Rak
Abstract: This invention is directed to a method of clarifying water comprising adding to the water an effective clarifying amount of a low molecular weight water-soluble cationic dispersion polymer prepared by polymerizing one or more cationic monomers and one or more nonionic monomers and one or more chain transfer agents under free radical forming conditions in an aqueous solution of an anionic salt in the presence of a stabilizer polymer, wherein the cationic dispersion has a cationic charge of from about 1.0 mole percent to about 75 mole percent and an RSV of from about 0.2 dl/g to about 6 dl/g.
Type:
Grant
Filed:
April 20, 2000
Date of Patent:
June 4, 2002
Assignee:
Nalco Chemical Company
Inventors:
John W. Sparapany, Richard P. Cardile, Cathy C. Johnson, Angela P. Zagala
Abstract: This invention is directed to a method and apparatus for measuring the rate of calcium oxalate scale formation in a continuously flowing solution having a pH of from about 2 to about 3 comprising measuring the rate of deposition of calcium oxalate scale from the solution on to a quartz crystal microbalance having a top side comprising a working electrode in contact with the solution and a second, bottom side isolated from the solution, wherein the pH of the solution proximate to the microbalance is measured using a pH measuring module and is controlled electrochemically at from about 3.5 to about 9 and wherein the working electrode is coated with or made of a conductive material on which the intensive evolution of hydrogen gas proceeds at potentials more negative than those necessary to achieve a pH of 3.5-9 proximate to the microbalance.
Type:
Grant
Filed:
March 7, 2000
Date of Patent:
April 23, 2002
Assignee:
Nalco Chemical Company
Inventors:
Sergey M. Shevchenko, Dmitri L. Kouznetsov, Prasad Y. Duggirala
Abstract: This invention is directed to a cationic terpolymer comprising
(a) a first monomer unit selected from acrylamide and methacrylamide;
(b) a second monomer unit selected from dimethylaminoethyl acrylate methyl chloride quaternary salt, 3-(acrylamido)propyltrimethylammonium chloride, 3-(methacrylamido)propyltrimethylammonium chloride, dimethylaminoethyl methacrylate methyl chloride quaternary salt, dimethylaminoethyl acrylate dimethylsulfate quaternary salt, dimethylaminoethyl methacrylate dimethylsulfate quaternary salt, diethylaminoethyl acrylate methyl chloride quaternary salt and diethylaminoethyl acrylate dimethylsulfate quaternary salt; and
(c) a third monomer unit selected from benzyl methacrylate, 2,2,2-trifluoroethyl acrylate, acrylamide diacetone, N-phenylacrylamide, 2,2,3,3-tetrafluoropropyl acrylate and poly(propylene glycol)methacrylate. The terpolymer is useful for dewatering a variety of sludges.
Type:
Grant
Filed:
October 11, 1999
Date of Patent:
April 9, 2002
Assignee:
Nalco Chemical Company
Inventors:
Wesley L. Whipple, Ananthasubramanian Sivakumar