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| Number | Title | Issue Date |
| 7897708 | Self-crosslinking dispersions utilizing acrylamide/N-alkylolacrylamide crosslinking mixture with C2-C10 alkylol An aqueous dispersion includes a self-crosslinking alkylolacrylamide containing interpolymer, the interpolymer being prepared in an emulsion polymerization medium by way of interpolymerizing in the medium: (a) acrylamide monomer; (b) N—C2 to C10 | 03/01/2011 |
| 7589161 | Polymeric quenchant, manufacture thereof, and method for quenching steel A polymeric quenchant. The polymeric quenchant comprises an inorganic nanoparticle, a water-soluble polymer, and water, wherein a weight ratio of the inorganic nanoparticle, water-soluble polymer and water is about 0.05-5:1-5:100. The cooling rate of steel during a ... | 09/15/2009 |
| 7417101 | Thermo-responsive water-soluble polymers for viscosity switch A thermal responsive, water soluble copolymer is disclosed, which comprises the co-polymerization product of: (a) 0.5˜20 wt % of N-isopropyl acrylamide (NIPAAm); (b) 0.5˜20 wt % of 1-vinyl-2-pyrrolidinone (VPD); (c) 0.01˜10 wt % of acrylic acid (AA); and (d) 80˜... | 08/26/2008 |
| 7385019 | Polymer solutions with shear reversible properties Water-based fluids that can viscosify under shear or can produce a gel or form a gel under shear are obtained by dissolving polymers in an aqueous phase. These polymers comprise three types of functional groups: non-ionic functional groups that are hydrosoluble at t... | 06/10/2008 |
| 7378479 | Multi-purpose polymers, methods and compositions Disclosed are multi-purpose polymers that are the polymerization product of a monomer mixture comprising at least one amino-substituted vinyl monomer; at least one nonionic vinyl monomer; at least one associative vinyl monomer; at least one semihydrophobic vinyl sur... | 05/27/2008 |
| 7375173 | Ecofriendly cationic polyelectrolytes The invention relates to cationic water-soluble polyelectrolytes, especially terpolymers, which are obtained by polymerising monomers of (meth)acrylamide, a quaternised (meth)acrylamide derivative, a (meth)acrylic acid derivative and/or hydrolysis-stable cationic mo... | 05/20/2008 |
| 7347890 | Cyan ink, ink set, set of ink and reaction liquid, and image forming method Provided is a cyan ink applicable to an ink set having four kinds of aqueous inks composed of the cyan ink, a magenta ink, a yellow ink, and a black ink each containing water; a water-insoluble coloring material; and plurality of water-soluble organic solvents inclu... | 03/25/2008 |
| 7335709 | Polymerizate composition and a method for producing the same The invention relates to water-soluble, preferably powder-form polymer compositions which are obtained by continuous polymerization of at least one unsaturated monomer. At least one parameter that influences the polymerization is varied according to a recurrent patt... | 02/26/2008 |
| 7332532 | Polymeric dispersants for ink-jet applications An ink-jet ink which includes a liquid vehicle and a polymer-dispersed pigment dispersed in the liquid vehicle is disclosed and described. More specifically, the polymer-dispersed pigment can include a pigment encapsulated with a polymer having hydrophilic and hydro... | 02/19/2008 |
| 7323140 | Moving microdroplets in a microfluidic device The present invention relates to a system and method for moving samples, such as fluid, within a microfluidic system using a plurality of gas actuators for applying pressure at different locations within the microfluidic. The system includes a substrate which forms ... | 01/29/2008 |
| 7317062 | Copolymers, preparation thereof and use as wetting agents and dispersants The invention relates to copolymers, suitable as wetting agents and dispersants, obtainable by copolymerizing (a) 1 to 80 mol % of at least one ethylenically unsaturated 1,2-dicarboxylic acid derivative, (b) 2 to 80 mol % of at least one unsaturated monocarboxylic a... | 01/08/2008 |
| 7306700 | Process for the production of paper The present invention relates to a process for the production of paper from a suspension containing cellulosic fibres, and optional fillers, comprising adding to the suspension drainage and retention aids comprising a cationic organic polymer and anionic micropartic... | 12/11/2007 |
| 7300914 | Process for the preparation of stable polymer concentrates Process for preparing stable polymer concentrates, wherein acryloyldimethyltaurine and/or acryloyldimethyltaurate are free-radically polymerized with at least one further component in the presence of a polymerization medium, a higher-boiling solvent or solvent mixtu... | 11/27/2007 |
| 7291213 | Ink composition and inkjet recording method An ink composition comprising: a coloring agent having an oxidation potential of more electropositive than 1.0V (vs SCE); a water; a guanidine compound; and a surfactant, the ink composition to be used in inkjet recording and an inkjet recording method with the use ... | 11/06/2007 |
| 7287586 | Compositions and methods for plugging and sealing a subterranean formation The invention provides for a composition for treating a subterranean formation, the composition comprising a water-swellable agent and a sealing agent. Preferably, the water-swellable agent: i) absorbs greater than 100 weight % of water; and ii) swells to greater th... | 10/30/2007 |
| 7279505 | Radiation-curable prepolymers The present invention provides a radiation-curable prepolymer. The radiation-curable prepolymer of the invention is prepared by reacting an isocyanate-capped polyurethane with an ethylenically unsaturated amine or an ethylenically unsaturated monohydroxy compound or... | 10/09/2007 |
| 7279154 | Use of comb copolymers based on acryloyldimethyltaurine acid in cosmetic, pharmaceutical and dermatological products The invention relates to uses of comb polymers of acryloyldimethyltaurine and/or acryloyldimethyltaurates in cosmetic, pharmaceutical and dermatological applications as thickeners, dispersing agents, suspending agents, emulsifiers, stabilizers, solubilizers, conditi... | 10/09/2007 |
| 7276110 | Cyan ink and ink set A cyan ink applicable to an ink set has plurality of aqueous inks each containing at least: water; a water-insoluble coloring material; and plurality of water-soluble organic solvents including a good medium or good mediums for the water-insoluble coloring material ... | 10/02/2007 |
| 7276112 | Aqueous ink, ink-jet recording method, ink cartridge, recording unit, ink-jet recording apparatus and image forming method Disclosed is an aqueous ink comprising at least water, a plurality of water-soluble organic solvents and a coloring material. The coloring material is a pigment, and, it contains a pigment particle having at least one ionic group bonded to a surface of the pigment p... | 10/02/2007 |
| 7270786 | Methods and systems for processing microfluidic samples of particle containing fluids The present invention relates to a microfluidic system for processing a cell-containing liquid. The system includes a microfabricated substrate having an enrichment channel to prepare an enriched cell sample from the cell-containing liquid. A flow through member is ... | 09/18/2007 |
| 7259217 | Controlled-architecture polymers and use thereof as separation media Controlled architecture polymers made preferably with acrylamide type monomers are prepared in living-type or semi-living-type free radical polymerizations, with the architecture preferably being other than linear, such as star, branched, grafted or hyper-branched. ... | 08/21/2007 |
| 7226957 | Method for producing polymers with controlled molecular weight and end group functionality using photopolymerization in microemulsions A method for producing polymers with controlled molecular weight and desired end functionalities and the resulting polymers. The method comprises a) forming a microemulsion comprising monomer, water, and an effective amount of an effective surfactant, b) adding to t... | 06/05/2007 |
| 7220708 | Drilling fluid component A method and composition is provided for a relative permeability modifying polymer for use with drilling fluids that comprises a water soluble polymer formed from a hydrophobic or hydrophobically modified hydrophilic monomer and a hydrophilic monomer. In an alternat... | 05/22/2007 |
| 7192557 | Methods and systems for releasing intracellular material from cells within microfluidic samples of fluids The present invention relates to a microfluidic system for processing a cell-containing liquid. The system includes a lysing zone to receive the cell-containing sample and a positioning element to position the cell-containing sample in a lysing position in the vicin... | 03/20/2007 |
| 7179874 | Biodegradable cationic polymer A biodegradable cationic polymer is disclosed. The biodegradable cationic polymer of the invention has amino groups in the backbone and side chains, self-assembles cationic complexes with nucleic acids, and delivers nucleic acids into a cell by endocytosis. The biod... | 02/20/2007 |
| 7159656 | Methods of reducing the permeabilities of horizontal well bore sections Methods of temporarily reducing the permeability of one or more selected sections of a subterranean formation penetrated by a horizontal well bore and the flow of water or water and hydrocarbons or hydrocarbons therefrom are provided. The methods comprise the steps ... | 01/09/2007 |
| 7160953 | Polymeric surface coatings A biocompatibilizing process in which a substrate having a surface which bears substrate pendant functional groups is biocompatibilized by coating it with a coating composition containing a polymer formed from a radical polymerizable monomers including a radical pol... | 01/09/2007 |
| 7157603 | Method for the separation of oligomeric N-substituted (meth)acrylamide compounds and conjugates thereof which are reversibly thermally precipitating The method of separating reversibly thermally precipitable oligomeric N-substituted (meth)acrylamides and conjugates thereof from aqueous solution includes thermally precipitating the oligomeric N-substituted (meth)acrylamides and the conjugates thereof from an aque... | 01/02/2007 |
| 7157538 | Covalently-bound, hydrophilic coating compositions for surgical implants Covalently-bound, hydrophilic copolymer coatings for implants are disclosed. The copolymer coatings comprise a hydrophobic aryl acrylic monomer, a hydrophilic monomer selected from the group consisting of hydroxyalkyl (meth)acrylates, n-vinyl pyrrolidone and acrylam... | 01/02/2007 |
| 7157526 | Aqueous primary dispersion, substantially or completely devoid of volatile organic substances, method for the production thereof and use of the same Aqueous primary dispersion, substantially or entirely free of volatile organic compounds, and comprising dispersed and/or emulsified, solid and/or liquid polymer particles and/or dispersed solid core/shell particles with a particle diameter≦500 nm, preparable by f... | 01/02/2007 |
| 7150319 | Method for reducing or completely eliminating water influx in an underground formation, and crosslinkable copolymers for implementing said method A method for reducing or completely eliminating water influx in an oil or natural gas borehole includes introducing in the borehole an aqueous solution of a copolymer comprising: A) 40–98 wt. % of structural units of formula (I), wherein: R1 is hydrogen... | 12/19/2006 |
| 7151137 | Acryloyldimethyltaurine acid-based grafted copolymers The invention provides water-soluble or water-swellable copolymers obtained by free-radical copolymerization of A) acryloyldimethyltaurine and/or acryloyldimethyltaurates, B) if desired, one or more other olefinically unsaturated, optionall... | 12/19/2006 |
| 7128148 | Well treatment fluid and methods for blocking permeability of a subterranean zone The present invention provides a method and treatment fluid for blocking the permeability of an elevated-temperature zone in a reservoir of a subterranean formation penetrated by a wellbore, the method comprising the steps of: a) selecting the zone to be treated, wh... | 10/31/2006 |
| 7114568 | Hydrophobically modified polymers for a well completion spacer fluid A method and composition is provided for a relative permeability modifier for use with aqueous well treatment fluids that comprises a hydrophobically modified water soluble polymer or a hydrophilically modified water soluble polymer. ... | 10/03/2006 |
| 7098253 | Macroporous ion exchange resins Ion exchange resins are described that are hydrophilic, crosslinked (meth)acrylic copolymers. The ion exchange resins are macroporous, have a surface area of at least 50 m2/g, and an average particle size of at least 20 micrometers. Additionally, chromato... | 08/29/2006 |
| 7091159 | Compositions for and methods of stabilizing subterranean formations containing clays A composition of matter for use in stablizing shale formations in earth boreholes comprising polymeric products, e.g., polymers of a dialkyl aminoalkyl methacrylate, which can optionally be quaternized with an alkyl halide to produce drilling fluid additives which s... | 08/15/2006 |
| 7087654 | Ion exchange and electrochemical methods and devices employing one-step quaternized and polymerized anion selective polymers The invention provides ion exchange and electrochemical methods and devices employing anion exchange polymers produced by substantially simultaneous quaternization and polymerization reactions. Anion selective polymers are produced in accordance with the invention b... | 08/08/2006 |
| 7060776 | Monomers useful in the preparation of separation matrices The invention relates to an acrylic monomer defined by formula (I): wherein R1, R2 and R3 are H or CH3; R4 | 06/13/2006 |
| 7034074 | Aqueous primary dispersions and coating agents, methods for producing them and their use Aqueous primary dispersions and coating materials comprising dispersed and/or emulsified, solid and/or liquid polymer particles and/or dispersed solid core-shell particles having a diameter≦500 nm, preparable by free-radical microemulsion or miniemulsion polymeriz... | 04/25/2006 |
| 7022791 | Cosmetic, pharmaceutical and dermatological products containing an electrolyte The invention relates to cosmetic, dermatological, and pharmaceutical products containing an electrolyte. The products are obtained by free-radical copolymerization of A) acryloyldimethyltaurine and/or acryloyldimethyltaurates, and... | 04/04/2006 |
