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| Number | Title | Issue Date |
| 7091253 | Water-absorbent resin, hydropolymer, process for producing them, and uses of them The present invention provides a production process by which a water-absorbent resin of excellent quality can be obtained at a low cost by reasonable steps in aqueous solution polymerization. The process for producing a water-absorbent resin comprises the step of po... | 08/15/2006 |
| 7008312 | Using aqueous binders in producing abrasive materials The present invention relates to the use of an aqueous polymer dispersion comprising dispersed particles of at least one polymer A1 having a glass transition temperature, Tg, of from −20° C. to +35° C. and obtainable through free-radical emulsion polymerization ... | 03/07/2006 |
| 7001528 | Use of aqueous binders in producing filter materials The use of an aqueous polymer dispersion comprising dispersed particles of at least one polymer A1 obtainable by free-radical emulsion polymerization in the presence of a polymer A2 synthesized from from 50 to 99.5% by weight of at... | 02/21/2006 |
| 6962953 | Aqueous secondary dispersions The present invention relates to heat and storage stable vinyl polymer polyol secondary dispersions containing A) at least one vinyl polymer resin having functional groups selected from hydroxyl, carboxyl and/or sulfonic acid groups and dispersed in a w... | 11/08/2005 |
| 6949601 | Single stage seed polymerization for the production of large polymer particles with a narrow size distribution The present invention concerns large spherical polymer particles with a narrow size distribution and a procedure for producing such particles. The procedure is characterized in that a seed polymerization is performed in which the start particles have a very high abi... | 09/27/2005 |
| 6905763 | Microsphere adhesive coated article for use with coated papers An adhesive coated article comprises a layer of microsphere adhesive onto a portion of at least one major surface of a substrate. The microspheres in the adhesive are obtained as the reaction product of (a) at least one alkyl (meth)acrylate ester wherein the alkyl g... | 06/14/2005 |
| 6861484 | Amphipathic polymer particles and methods of manufacturing the same The invention is directed to amphipathic polymeric particles that serve as both the dispersant and the binder in water based inks, ink compositions containing these particles, and methods for making the particles. The polymeric particles contain both hydrophilic and... | 03/01/2005 |
| 6824874 | Insulator and seal for fuel cell assemblies Methods and materials for sealing and insulating a fuel cell plate are disclosed. The disclosed process includes applying a coating precursor on at least one surface of the fuel cell plate, and curing the coating precursor by exposure to radiation. Disclosed coating... | 11/30/2004 |
| 6794465 | Method of preparing an acrylic copolymer The present invention is a method of preparing an acrylic copolymer using as a raw material a monomer mixture comprising 50 mole % or more of a monomer having a polymerizable double bond formed by a carbon atom to which no hydrogen atom is bonded and a carbon atom t... | 09/21/2004 |
| 6642330 | Supercritical fluid pressure sensitive adhesive polymers and their preparation Pressure sensitive adhesive (PSA) polymers, especially low Tg, high tack, nonpolar and polar polymers useful in formulating PSA can be solubilized or dispersed in a supercritical fluid (SCF), such as liquid CO2 or supercritical CO | 11/04/2003 |
| 6632869 | Process for preparing polymer dispersions with a high solids content A process for preparing copolymers based on vinyl esters and ethylene and, if desired, further comonomers in the form of their aqueous dispersions, having a solids content of greater than 65% and a Brookfield viscosity (20 s-1) of less than 10,... | 10/14/2003 |
| 6590053 | Supercritical fluid pressure sensitive adhesive polymers and their preparation Pressure sensitive adhesive (PSA) polymers, especially low Tg, high tack, nonpolar and polar polymers useful in formulating PSA can be solubilized or dispersed in a supercritical fluid (SCF), such as liquid CO2 or supercritical CO | 07/08/2003 |
| 6538057 | Protective colloid stabilized emulsion polymerization of ethylenically unsaturated monomers, and adhesive product thereof Adhesives comprising: a) from 5.0 to 95.0% by weight of an adhesive dispersion having a viscosity in the range from 2000 to 10,000 mpPa.multidot.s, which comprises (a1) an aqueous polymer dispersion which is obtainable by free-radical polymerization of a ... | 03/25/2003 |
| 6423769 | Acid functional two-stage polymer dispersion with neutralization between polymerization stages An aqueous polymer dispersion wherein the polymer particles include at least two different water-insoluble polymers P and P', obtained by free-radical polymerization of ethylenically unsaturated monomers, which includes the following measures: (1) polymer... | 07/23/2002 |
| 6413629 | Easy adhesion film for transparent conductive thin film An easy adhesion film for a transparent conductive thin film comprises a transparent polymer film and an easy adhesion layer formed on the transparent polymer film, wherein the easy adhesion layer comprises at least an ionizing radiation curable resin bin... | 07/02/2002 |
| 6348530 | Thermosetting aqueous compositions Heat-curable aqueous compositions which comprise a carboxyl-containing polymer component and optionally a hydroxyalkylated amine are used as binders for shaped articles.... | 02/19/2002 |
| 6235810 | Method for the preparation of hollow polymer particle latex A method for the preparation of latexes with hollow polymer particles useful as opacifying agents. The process comprises the preparation of hollow polymer particle latex by emulsion copolymerization with water soluble initiator and anionic surfactant as f... | 05/22/2001 |
| 6121371 | Application of atom transfer radical polymerization to water-borne polymerization systems A process is provided for the preparation of (co)polymer emulsions or suspensions from a full range of free radically (co)polymerizable monomers, wherein the (co)polymers exhibit the characteristics of "living" polymerization, including one or more of pre... | 09/19/2000 |
| 6093766 | Process for preparing polyvinyl alcohol stabilized solvent- and plastifier-free polyvinyl ester dispersions The present invention relates to the preparation of heterogeneous, water-resistant polyvinyl ester dispersions having a film-forming temperature of below 10° C., comprising the formation of a homo- or copolymer A, having a glass transistion temperature o... | 07/25/2000 |
| 6063725 | Olefin polymerization catalyst system An olefin polymerization catalyst system comprising an organic transition metal compound and a support, wherein an organic transition metal compound is soluble in an inert organic solvent and a support which is insoluble in the inert organic solvent, and ... | 05/16/2000 |
| 6028135 | Preparation of aqueous polymer dispersions of low viscosity with polymer volume concentrations of at least 50% A process for the preparation of aqueous polymer dispersions of low viscosity with polymer volume concentrations of at least 50% by volume, based on the polymer dispersion, by free-radical emulsion polymerization of ethylenically unsaturated monomers, wit... | 02/22/2000 |
| 5981671 | Process and apparatus for the microsuspension polymerization of vinyl chloride The invention relates to a process and an apparatus for the microsuspension polymerization of vinyl chloride in vessels whose contents are agitated predominantly by natural convection where, in a reactor having a ratio of height H to diameter D of H/D 2, ... | 11/09/1999 |
| 5939482 | Method for the two-stage preparation of aqueous autocrosslinking copolymer dispersions and their use for coating materials The invention concerns a two-stage method for the preparation of aqueous, self-crosslinking copolymer dispersions made from acrylate copolymers having acetoacetyl and carboxylic groups. The copolymers are neutralized with polyamines which act as crosslink... | 08/17/1999 |
| 5898064 | Process for manufacturing resin particles having narrow particle size distribution Thermoplastic or thermosetting resin particles having a narrow particle size distribution are produced by suspending a liquid resinous composition in an aqueous solution of an anionic or cationic polyelectrolyte as primary particles of oil droplets, adjus... | 04/27/1999 |
| 5886109 | AZO group-containing high molecular weight compound for block copolymerization An azo group-containing high molecular weight compound including --COHN--, an ester linkage, or an amido linkage and a monomer units of 10 to 1000 derived from ,ଲ-ethylenically unsaturated monomer is effective for producing a block copolymer ... | 03/23/1999 |
| 5863998 | Dicarboxylic acid-functional monomers and polymers prepared from same An unsaturated acid-functional monomer having the structure: ##STR1## wherein R is hydrogen or methyl and polymers prepared using the monomer are disclosed.... | 01/26/1999 |
| 5849853 | Preparation of water-insoluble polymers Water-insoluble polymers are prepared by free radical polymerization of ethylenically unsaturated monomers by a process in which the polymerization is carried out in an aqueous gel phase having a viscosity of at least 800 mPa.s and the gel former has a mo... | 12/15/1998 |
| 5780565 | Supersatmospheric reaction A polymerization process produces polymers that are insoluble in a reaction mixture that was homogeneous before the polymer began to form. A dispersing agent in the polymerizing system (i.e., the reaction mixture plus the dispersing agent) allows a kineti... | 07/14/1998 |
| 5679735 | Process for the preparation of synthetic resin dispersions A process for the preparation of a synthetic resin dispersion stabilized by a protective colloid employing at least one initiator and based on a polymer of (a) a first monomer of at least one ester of acrylic acid or methacrylic acid and an alcohol contai... | 10/21/1997 |
| 5644004 | Multi-component ethylenically unsaturated peroxyesters A novel and safe ethylenically unsaturated peroxyester composition derived from an ethylenically unsaturated dicarboxylic acid is provided, as well as processes for making and using the composition. The peroxyester composition comprises about 0.04 to abou... | 07/01/1997 |
| 5521267 | Mixtures of polymers with water Emulsifier-free synthetic resins and mixtures of synthetic resins with water are used as binders for water-borne printing inks and printing varnishes. The resins contain: (a) a polymer resin A containing acid groups which may have been neutralized or part... | 05/28/1996 |
| 5498653 | Rosin carboxypyrrolidinone adducts This invention relates to rosin carboxypyrrolidinone adducts. In particular, this invention relates to water-soluble resins derived from the reaction product of a modified rosin with a hydroxyl-containing carboxypyrrolidinone derivative. These resins can ... | 03/12/1996 |
| 5420173 | Multi-component ethylenically unsaturate peroxyesters A novel and safe ethylenically unsaturated peroxyester composition derived from an ethylenically unsaturated dicarboxylic acid is provided, as well as processes for making and using the composition. The peroxyester composition comprises about 0.04 to abou... | 05/30/1995 |
| 5371135 | Modified olefin resin and resin composition A modified olefin resin which can be dissolved in water by neutralization with an alkali and has an acid value of at least 30, produced by reacting a copolymer obtained from an -olefin having at least 6 carbon atoms and maleic anhydride with at lea... | 12/06/1994 |
| 5369163 | Process for preparing large dimension emulsion polymer particles, polymer product and uses thereof A process for preparing large dimension emulsion polymer particles and the polymer products of the process are disclosed. In one embodiment, the invention provides particles having a high aspect ratio, having a shape described by a long axis and an inters... | 11/29/1994 |
| 5354799 | Limited coalescence process A limited coalescence method of making polymer particles having an average particle size of 3 μm or less comprising dispersing the polymer particles in an organic liquid diluent after they are separated from the aqueous suspension medium in which they ar... | 10/11/1994 |
| 5310820 | Process for modification of polyphenylene ether or related polymers with a cyclic acid anhydride and the use thereof in modified, high temperature rigid polymer of vinyl substituted aromatics Process for the manufacture of modified polyphenylene ether or structurally related polymers, comprising the reaction of polyphenylene ether or structurally related polymer with a cyclic acid anhydride, in the presence of a non nucleophilic base, and in a... | 05/10/1994 |
| 5306593 | Suspension polymerized toner treated by starved feed monomer addition process A process for the preparation of toner particles which comprises a suspension polymerization followed by a starved feed monomer addition process and wherein the suspension polymerization comprises the formation of an organic phase comprised of monomer, in... | 04/26/1994 |
| 5288804 | Acetoacetate aromatic aldimine resin composition A composition comprising a first component including a compound comprising at least two acetoacetate groups, and a second component including a compound comprising at least two groups which will react with an acetoacetate group, at least one of which is a... | 02/22/1994 |
| 5258466 | Paper size Emulsion polymers which are prepared by free-radical polymerisation of monomers in the presence of a) polymers of the formulae ##STR1## wherein the radicals have the meanings given in the description, and b) low-molecular anionic emulsifiers, are ou... | 11/02/1993 |
