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| Number | Title | Issue Date |
| 8133952 | Poly (vinyl alcohol)—based formaldehyde-free curable aqueous composition A formaldehyde-free curable aqueous composition containing polyvinyl alcohol, a multi-functional crosslinking agent, and, optionally, a catalyst. The composition may be used as a binder for non-woven products such as fiberglass insulation. The non-woven products are... | 03/13/2012 |
| 7939599 | Substantially completely biodegradable high starch polymer This invention is a substantially completely biodegradable high starch polymer using completely biodegradable high polymer polyvinyl alcohol [PVOH] that is made to be compatible with starch. The two ingredients are mixed with the optional addition of elasticity enha... | 05/10/2011 |
| 7825187 | Water resistant molding material and producing method for the same The invention provides a water resistant molding material that can be stably manufactured while being excellent in water resistance after dried, and a producing method for the water resistant molding material. The water resistant molding material comprises a binder ... | 11/02/2010 |
| 7745532 | Systems and methods for controlling and forming polymer gels The preferred embodiments of the present invention provide polymer compositions and methods for controlling a property of a resultant gel. A preferred method includes dissolving a vinyl polymer in a first solvent to form a solution; and contacting the vinyl polymer ... | 06/29/2010 |
| 7371796 | Copolymers of vinyl alcohol and itaconic acid for use in paper coatings The present invention is a composition useful for coating the surface of paper wherein the coating composition is an aqueous solution comprising less than 40 wt % water and consisting essentially of a polyvinyl alcohol copolymer that is at least about 95% hydrolyzed... | 05/13/2008 |
| 7312272 | Food coating substance containing a softener-free aqueous copolymer poly(vinyl ester) dispersion, production and use thereof A novel food coating substance comprising a plasticizer-free aqueous copolymer poly(vinyl ester) dispersion of emulsion polymer, emulsifier, protective colloid and optionally other stabilizers is outstandingly suitable for the surface treatment or surface coating of... | 12/25/2007 |
| 7250468 | Polyvinyl-alcohol-stabilized redispersible powders with plasticizing properties Polyvinyl-alcohol-stabilized redispersible powders which have plasticizing properties are obtained by drying polyvinyl-alcohol-stabilized aqueous dispersions of polymers of one or more monomers from the group of vinyl esters of optionally branched C1-18 a... | 07/31/2007 |
| 7217385 | Polyvinyl alcohol composition and film A method of preparing a plasticised particulate polyvinyl alcohol (PVA) composition is provided, comprising: mixing, in a mixer, at a mixer speed and for a time sufficient that the mixture attains a temperature of at least 50° C.: particulate PVA resin in an amount... | 05/15/2007 |
| 7105588 | Screen printable hydrogel for medical applications The present invention provides a screen printable hydrogel composition comprising: (a) soluble or partially soluble polymer wherein said polymer is a copolymer, interpolymer or mixture thereof; (b) initiation system; (c) thickener; (d) water; and (e) solvent; with t... | 09/12/2006 |
| 7078448 | Polymer dispersion with a cross-linking resin, a method for producing the same and the use thereof The invention relates to a polymer dispersion which contains water, at least one polymer that has been produced by emulsion polymerisation, at least one protective colloid, at least one water-soluble acidic metallic salt and at least one cross-linking resin that is ... | 07/18/2006 |
| 7074844 | Adhesives An adhesive, comprising (A) a polymeric MDI, (B) modified polyvinyl acetate emulsion, (C) aqueous polyvinyl alcohol solution, and (D) a filler. Preferably, a mass ratio of A:B:C:D is 30:(60–160):(50–160):(10–140) provided that the aqueous polyvinyl alcohol sol... | 07/11/2006 |
| 7049360 | Water-soluble or water-dispersible (co) polymers of hydroxyalkyl (meth) acrylates, a process for their preparation, and their use as coating agent, binder and/or film-forming excipient pharmaceutical dosage forms The present invention relates to water-soluble or water-dispersible copolymers obtainable by free-radical polymerization of a) 80 to 20% by weight of hydroxy-C1–C6-alkyl (meth)acrylate and, where appropriate... | 05/23/2006 |
| 7026369 | Aqueous emulsion composition and adherent composition To provide an aqueous emulsion composition which has high adhesion strength for a wide variety of materials including molded products and affords sufficient wettability even for the object to be adhesive bonded of low surface polarity so that it can develop sufficie... | 04/11/2006 |
| 6998426 | Nanoemulsion containing nonionic polymers, and its uses These objects and others may be accomplished with the present invention, the first embodiment of which provides an oil-in-water nanoemulsion, which includes: an oily phase dispersed in an aqueous phase; (i) at leas... | 02/14/2006 |
| 6946501 | Rapidly dissolvable polymer films and articles made therefrom A film-forming composition for use in preparing water-soluble films that are rapidly dissolving under cold water conditions, the composition comprising a water soluble polymer material such as polyvinyl alcohol and a principal solvent, typically diol(s) or derivativ... | 09/20/2005 |
| 6933024 | Water soluble polymers as inkjet recording materials The use and preparation of poly(vinylpyrrolidone (PVP)-co-vinylalcohol (PVA)) as inkjet recording material, the method of making PVP/PVA copolymer comprising the steps of: hydrolyzing PVP/polyvinyl acetate (PVAc) copolymer with a mixture comprising water, at least o... | 08/23/2005 |
| 6884438 | Method for preparing vesicular nanocapsules A process for the preparation of nanoparticles for the encapsulation of active constituents, the nanocapsules prepared being dispersible in aqueous phase in colloidal form, non-toxic, biocompatible, stable in colloidal suspension and economical. In the process, two ... | 04/26/2005 |
| 6803100 | Rewettable adhesive systems The invention relates to new rewettable adhesive systems containing colloidal dispersion mixtures obtained by copolymerization of at least one water-soluble monomer with at least one non-water-soluble comonomer in the presence of a micelle-forming emulsifier. The in... | 10/12/2004 |
| 6780931 | Method for producing polyvinyl ester resin emulsion Provided is a polyvinyl ester resin emulsion which has high viscosity and has good water resistant adhesiveness, heat-resistant adhesiveness, hot water-resistant adhesiveness and storage stability, especially high-temperature storage stability, and which has good fi... | 08/24/2004 |
| 6756117 | Photonic polymer-blend structures and method for making The present invention comprises the formation of photonic polymer-blend structures having tunable optical and mechanical properties. The photonic polymer-blend structures comprise monomer units of spherical microparticles of a polymer-blend material wherein the sphe... | 06/29/2004 |
| 6734246 | Polyvinylacetal-grafted polymers Polyvinylacetal-grafted polymers in the form of their aqueous dispersions or water-redispersible powders, and based on emulsion or suspension polymerized base polymers of one or more monomers from the group consisting of vinyl esters, (meth)acrylates, vinylaromatics... | 05/11/2004 |
| 6720008 | Composition and method for the encapsulation of water-soluble molecules into nanoparticles A method and composition for the encapsulation of hydrophilic molecules in submicron particles is disclosed. The particles are composed of a water-in-oil microemulsion surrounded by one or more biocompatible polymers. ... | 04/13/2004 |
| 6716911 | Method for producing aqueous biodegradable polyester dispersion The invention provides a method for producing an aqueous biodegradable polyester dispersion and includes the step of mixing and kneading a molten biodegradable polyester, an aqueous emulsifier solution having a surface tension in terms of 1.0% by weight aqueous solu... | 04/06/2004 |
| 6706397 | Process for manufacturing microcapsules by interfacial polycondensation with polyoxyalkyleneamine and acid chlorides The present invention relates to a process of obtaining microcapsules, comprising mainly the following stages: preparing a scarcely water-soluble organic phase containing a determined amount of acid chlorides, forming an emulsion of said organic phase ... | 03/16/2004 |
| 6706805 | Use of copolymers of vinyl ester, (meth)acrylic ester and optionally ethylene comonomers in building materials Building materials containing copolymers derived from vinyl ester, (meth)acrylic ester and optionally ethylene comonomers, stabilized with a polyvinylalcohol protective colloid, as their aqueous dispersions or as redispersible polymer powders which are redispersible... | 03/16/2004 |
| 6699920 | Methods of manufacturing polishing substrates A method of manufacturing a polishing substrate is disclosed. The method includes disposing into a mold a reaction mixture of dibasic acid and a hydroxylated polymer, and applying a pressure and a temperature to the reaction mixture that are sufficient to... | 03/02/2004 |
| 6642285 | Implant comprising calcium cement and hydrophobic liquid A composition including a hydraulic cement for implantation in a human or animal body. The hydraulic cement includes a first component, a second component, and a third component. The first component includes a calcium source while the second component inc... | 11/04/2003 |
| 6639049 | Process for the preparation of polymers having a reduced content of volatile components The invention relates to a process for the preparation of polymers stabilized with protective colloids in the form of water-redispersible powders or aqueous dispersions thereof having a reduced content of volatile components, by a) polymerizing by emu... | 10/28/2003 |
| 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 |
| 6616944 | Self-assembling colloidal carriers for protein delivery The invention is directed to self-assembling, polymer-based delivery systems for proteins. The delivery systems comprises an active agent and a polyol ester of the invention, having a linear polyol containing six or more hydroxyl groups as a central backb... | 09/09/2003 |
| 6608128 | Polyvinyl alcohol compositions Polyvinyl alcohol compositions in the form of an aqueous solution are disclosed, where the aqueous polyvinyl alcohol compositions include: (i) polyvinyl alcohol; (ii) at least one polyaldehyde having at least 3 carbon atoms and being masked completely as ... | 08/19/2003 |
| 6607784 | Microprecipitation method for preparing submicron suspensions The present invention provides a method for preparing submicron sized particles of an organic compound, the solubility of which is greater in a water-miscible first solvent than in a second solvent which is aqueous, the process including the steps of (i) ... | 08/19/2003 |
| 6593399 | Preparing conductive polymers in the presence of emulsion latexes A method for preparing an intrinsically conductive copolymer comprising preparing an emulsion latex in a medium; forming a mixture which comprises at least one cyclic heteroatom containing monomer, the emulsion latex in the medium and an additive under fi... | 07/15/2003 |
| 6573327 | Highly stable aqueous solution of partially saponified vinyl ester resin An aqueous solution of partially hydrolyzed vinyl ester resin having an excellent stability and useful particularly as a secondary agent for suspension polymerization of vinyl compounds, wherein the partially hydrolyzed vinyl ester resin has a degree of h... | 06/03/2003 |
| 6552115 | Vinyl acetate based polymer latex composition, especially for adhesives The present invention relates to a vinyl acetate based polymer latex composition obtained by emulsion polymerization, the polymer comprising PVOH, and a monomer mixture, said monomer mixture comprising vinyl acetate, and a pre-crosslinking monomer selecte... | 04/22/2003 |
| 6521701 | Water-retaining and optical-brightener-activating polymer composition, paper coating colors and sheets of coated paper thus obtained A stable aqueous liquid polymer composition, which comprises: (i) at least one polyvinyl alcohol (PVA) which has an Ostwald viscosity less than 5 mPa.multidot.s corresponding to a degree of polymerization less than 600 and a molar percentage of hydrolysis rang... | 02/18/2003 |
| 6495628 | Process for producing vinyl acetate resin emulsion and water-based adhesive A process of the invention produces a vinyl acetate polymer based emulsion by seed polymerization of vinyl acetate in an ethylene-vinyl acetate copolymer based emulsion. This process includes a step of performing seed polymerization while adding vinyl ace... | 12/17/2002 |
| 6495623 | Aqueous emulsion and dispersant for suspension polymerization of vinyl compounds A polyvinyl alcohol having at least 1.9 mol % of 1,2-glycol bonds is used as a dispersant for emulsion polymerization or a dispersant for suspension polymerization, and this ensures good polymerization stability even when its amount used is reduced. The a... | 12/17/2002 |
| 6475504 | Pest repellent compositions and articles and a method for preparing the same What is disclosed is a method for the formation of unique poly(vinyl alcohol) hydrogels, articles that are made from such hydrogels, unique odor-providing pest repellent compositions and their uses to repel pests.... | 11/05/2002 |
| 6451899 | Aqueous formulations comprising at least two different polymers as aqueous dispersions The present invention relates to aqueous formulations comprising: i. at least one hydrophilic particulate polymer P1, as an aqueous dispersion, composed essentially of monoethylenically unsaturated monomers having a water-solubility in the range from 10 to 100... | 09/17/2002 |
