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| Number | Title | Issue Date |
| 7935757 | Process for making a cationic vinyl oligomer composition A process is described for making an aqueous coating composition comprising a cationic vinyl oligomer comprising the following steps: I. preparation of a cationic vinyl oligomer by solution or bulk polymerization of components: i) 2 to 50 wt % of vinyl monomers bear... | 05/03/2011 |
| 7442746 | Epoxidation of unsaturated cationically stabilized polymer latex The present invention is directed to a process for synthesizing an epoxidized polymer that includes the steps of: (1) preparing a cationically stabilized polymer latex containing at least one conjugated diolefin monomer in a first ... | 10/28/2008 |
| 7442723 | Inkjet ink, ink set and method of printing This invention pertains to an inkjet ink comprising a polyazetidinium groups-containing component, various ink sets comprising this ink, including one ink set with at least one co-reactive ink, and a method of printing with the ink and ink sets. When the inks are pr... | 10/28/2008 |
| 7408004 | Water soluble-Polymer dispersion and method of producing a water-soluble polymer dispersion The present invention relates to a water-soluble polymer dispersion comprising: a dispersed polymer made up of at least one water-soluble monomer A and at least one water-soluble cationic monomer B, at least one stabiliser C, and at least one cationic polyelectrolyt... | 08/05/2008 |
| 7396874 | Cationic or amphoteric copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions A papermaking method and a composition which utilize, as a drainage aid, a water-soluble cationic or amphoteric copolymer prepared via a water-in-oil polymerization technique that, absent a cross-linking agent, is characterized by a Huggins' constant (k′) determin... | 07/08/2008 |
| 7363978 | Methods of using reactive surfactants in subterranean operations Novel uses of reactive surfactants in treating subterranean formations and/or proppant particulates are provided. In one embodiment, the present invention provides a method comprising: providing a treatment fluid that comprises a base fluid and a reactive surfactant... | 04/29/2008 |
| RE39993 | Emulsions Emulsions are claimed which comprise oligoesters as emulsifiers. These oligoesters have hitherto only been used as soil release polymers. ... | 01/01/2008 |
| 7303653 | Sizing agent and recording sheet having the same A sizing agent includes a vinyl copolymer having a repeating unit (i) having a quaternary amino group and a repeating unit (ii) derived from acrylic monomers having a hydrophilic polyoxyethylene, the ratio by mass, (i):(ii), of the repeating unit (i) to the repeatin... | 12/04/2007 |
| 7287650 | Structures that inhibit microbial growth Structures treated with a microbiological interception enhancing agent comprising of a water-soluble cationic material having a counter ion associated therewith at specific sites on the cationic material, in combination with a biologically active metal salt, wherein... | 10/30/2007 |
| 7244694 | Viscoelastic fluids containing nanotubes for oilfield uses The present invention relates to viscoelastic fluids that contain nanotube structures that may be used advantageously as oilfield stimulation fluids in many different applications, most particularly as a fracturing fluid. Viscoelastic fluid compositions of the prese... | 07/17/2007 |
| 7220339 | Process for preparing a polymer dispersion The present invention relates to a process for preparing an aqueous polymer dispersion comprising: preparing a dispersant co-polymer of a monomer mixture (M) by polymerising the monomer mixture (M) in a reaction medium which is substantially free from organic solven... | 05/22/2007 |
| 7173085 | Salt sensitive aqueous emulsions This invention relates to aqueous emulsions comprising a water-dispersible copolymer which is non-dispersible in aqueous solutions containing 0.5% or more of an inorganic salt, comprising acidic ethylenically unsaturated monomers and ethylenically unsaturated monome... | 02/06/2007 |
| 7157409 | Surfactant-polymer compositions for enhancing the stability of viscoelastic-surfactant based fluid Compositions for increasing the thermal and pressure stability of well fluids viscosified using viscoelastic surfactants, the compositions including an effective amount of an oligomeric or polymeric compound that has a thermally stable backbone structure and at leas... | 01/02/2007 |
| 7091273 | Process for preparing a polymer dispersion The present invention relates to a process for preparing an aqueous polymer dispersion comprising: preparing a dispersant co-polymer of a monomer mixture (M) by polymerising the monomer mixture (M) in a reaction medium which is substantially free from organic solven... | 08/15/2006 |
| 7084205 | Polymeric compositions for dewatering sewage sludges Compositions comprising of blends of polymeric materials, including a cationic polymer having an intrinsic viscosity of from 8 to 17 dl/g and a cationic content of from 20 to 100% which may be used in the dewatering of thermophilic sludges. ... | 08/01/2006 |
| 7084095 | Methods for controlling the rheological properties of viscoelastic surfactants based fluids It was found that the addition of polymers to viscoelastic surfactant base system allows to adjust the rheological properties of the base fluid. Depending in particular on one side of the ratio of the concentration of added polymer and the concentration of viscoelas... | 08/01/2006 |
| 7071260 | Rapid curing aqueous coating agents The invention relates to rapid-curing aqueous coating agents, containing at least one binding agent and at least one water-soluble, quaternary poly(allylamine). Said agents have rapid curing properties and do not discolor during the curing process. Poly(diallyl dial... | 07/04/2006 |
| 7060201 | Optical brighteners their composition their production and their use Optical brighteners (PAB) of formula wherein each n independently signifies 1 or 2, the group SO3M shown with the floating bond is linked ... | 06/13/2006 |
| 7026418 | Emulsion polymerization process utilizing ethylenically unsaturated amine salts of sulfonic, phosphoric and carboxylic acids Disclosed is an improved method of making polymers. The method utilizes at least one ethylenically unsaturated monomer and at least one polymerizable surface active agent. The polymerizable surface active agent is capable of co-polymerization with traditional monome... | 04/11/2006 |
| 7019134 | Amphoteric optical brighteners, their aqueous solutions, their production and their use Water soluble, amphoteric optical brighteners (W) comprising at least one brightener-characteristic radical X which contain at least one anionic substituent and covalently linked over at least one tertiary amino group Z to at least one non-chromophoric, essentially ... | 03/28/2006 |
| 7015279 | Composition and method for preparing novel cationic thickeners A composition and method for a linear or crosslinked cationic polyelectrolyte, involving copolymerization of at least one cationic monomer with at least one neutral monomer and at least one nonionic surfactant monomer. ... | 03/21/2006 |
| 6953604 | Microporous filter media, filtration systems containing same, and methods of making and using The invention is directed to a microbiological interception enhanced filter medium, preferably having an adsorbent prefilter located upstream from the filter medium. Preferably, the prefilter is adapted to remove natural organic matter in an influent prior to the in... | 10/11/2005 |
| 6913154 | Microporous filter media, filteration systems containing same, and methods of making and using The invention is directed to a microbiological interception enhanced filter medium, preferably having an adsorbent prefilter located upstream from the filter medium. Preferably, the prefilter is adapted to remove natural organic matter in an influent prior to the in... | 07/05/2005 |
| 6911116 | Cationically modified white pigments, their production and use Cationically modified white pigments (W) in particulate form, essentially consisting of a particulate inorganic white pigment (M) of a particle size in the range of 0,1 to 40 μm and an applied water soluble, cationic, crosslinked polymer (PA) containing ... | 06/28/2005 |
| 6900262 | Synthesis and characterization of nanocomposites by emulsion polymerization The present invention generally provides a method for producing an exfoliated nanocomposite. The method involves charging to water, as the continuous phase, monomers, polymerizable surfactant, and water-soluble initiator. The monomers are allowed to polymerize under... | 05/31/2005 |
| 6864314 | Block polymers, compositions and methods of use for foams, laundry detergents, shower rinses and coagulants The present invention relates to a block polymeric material. Typically the block polymer comprises units capable of having an average cationic charge density of about 15 or less, preferably 5 or less, more preferably from about 0.05 to about 5, even more preferably ... | 03/08/2005 |
| 6841588 | Radiation curable resin composition A radiation curable resin composition comprising a water soluble amine salt prepolymer formed between an oligomer or compound having at least one amine group and an unsaturated carboxylic acid and use of this composition as a surface coating or ink. ... | 01/11/2005 |
| 6743514 | Radiation-curable coating for ink jet printing This invention pertains to radiation-curable aqueous compositions comprising a mixture of water-reducible oligomer, monomer, and water-insoluble cationically-modified latex. More particularly, the invention pertains to radiation-curable aqueous compositions that are... | 06/01/2004 |
| 6702946 | Aqueous dispersions Aqueous dispersions of cationic water-soluble polymers are provided, as well as processes for making and methods of using the same.... | 03/09/2004 |
| 6683129 | Salt sensitive aqueous emulsions This invention relates to aqueous emulsions comprising a water-dispersible copolymer which is non-dispersible in aqueous solutions containing 0.5% or more of an inorganic salt, comprising acidic ethylenically unsaturated monomers and ethylenically unsatur... | 01/27/2004 |
| 6670508 | Process for manufacturing the chloride of 1,3-bis- (dimethylbenzylammonium) isopropyl, acrylate alone or mixed with other monomers, and corresponding (co) polymers A compound of formula (I) is prepared alone or in combination with at least one monomer of formula (II): the quaternizing agents benzyl chloride is introduced into a solution, in a solvent selected from compounds of the formulae (I) and (II) and mixtures ... | 12/30/2003 |
| 6531561 | Polymers, the process for their preparation and the invert latexes containing them Linear, branched or crosslinked polymer, capable of being obtained by polymerization of N-alkylacrylamide, in which the alkyl radical is linear or branched and comprises from 1 to 6 carbon atoms, with one or more monomers chosen from cationic monomers, mo... | 03/11/2003 |
| 6489395 | Emulsions Emulsions are claimed which comprise oligoesters as emulsifiers. These oligoesters have hitherto only been used as soil release polymers.... | 12/03/2002 |
| 6444723 | Crosslinked micellar gel composition A crosslinked micellar gel composition is comprised of a polymer formed by a reaction between (a) ionic surfactant units which include ionic surfactant molecules, each of which includes a counterion which has a first polymerizable functional group, (b) cr... | 09/03/2002 |
| 6437019 | Glass ionomer cement The present invention provides a multiple part ionomeric cement system comprising an organic composition that is substantially free of added water, and an aqueous composition comprising water. The organic composition contains at least a hydrophilic compon... | 08/20/2002 |
| 6433075 | Surfactant based gelling composition for wellbore service fluids A composition, in particular a wellbore service fluid, comprising monomeric surfactants, preferably viscoelastic surfactants, in combination with a polymerization agent. Additionally, the fluid may contain a cross-linking agent to cross-link the polymeriz... | 08/13/2002 |
| 6426382 | Polycationic polymer salts, their production and use Aqueous solutions of polycationic polymers (PAB) containing quaternary ammonium groups in salt form as heteroatomic chain members or ring members of the polymer, wherein a part of the counter-ions to the quaternary cationic groups are anionic g... | 07/30/2002 |
| 6407162 | Emulsion polymerization process utilizing ethylenically unsaturated amine salts of sulfonic, phosphoric and carboxylic acids Disclosed is an improved method of making polymers. The method utilizes at least one ethylenically unsaturated monomer and at least one polymerizable surface active agent. The polymerizable surface active agent is capable of co-polymerization with traditi... | 06/18/2002 |
| 6365667 | Synthetic polymers having hydrogen bonding capability and containing aliphatic hydrocarbon moieties Synthetic polymers having hydrogen bonding capability and one or more aliphatic hydrocarbon moieties are capable of providing two distinct properties to paper products, such as tissues, which properties heretofore have been imparted through the use of at ... | 04/02/2002 |
| 6274667 | Synthetic polymers having hydrogen bonding capability and containing aliphatic hydrocarbon moieties Synthetic polymers having hydrogen bonding capability and one or more aliphatic hydrocarbon moieties are capable of providing two distinct properties to paper products, such as tissues, which properties heretofore have been imparted through the use of at ... | 08/14/2001 |
