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Class 524/557 - Polyvinyl alcohol or modified forms thereof


Subclass of Class 524 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the solid polymer derived from a
No. of patents: 323
Last issue date: 11/08/2011


1                  
NumberTitleIssue Date
8053511Process for preparing polymer dispersions, the resulting dispersions and their use
A description is given of a process of emulsion polymerization of free-radically polymerizable ethylenically unsaturated monomers selected from the group of the monoesters or diesters of ethylenically unsaturated monocarboxylic or dicarboxylic acids with alkanols, v...
11/08/2011
7700685Method of producing hydrous ethylene-vinyl alcohol copolymer composition
An ethylene-vinyl alcohol copolymer (EVOH) solution is introduced into a tower vessel (1) from a first inlet (2) provided at an upper portion of the tower vessel (1). Water vapor is introduced into the tower vessel (1) from a second inlet...
04/20/2010
7612140Toner, method for producing the same, image formation method and image formation apparatus
There is provided a toner having favourable development characteristics and favourable stability and a method for production thereof. The toner comprises at least a graft copolymer and a coloring material, wherein the graft copolymer is formed by graft polymerizatio...
11/03/2009
7608661Water-soluble film from copolymers of vinyl alcohol and itaconic acid, and paper coating articles therefrom
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 % hydrolyze...
10/27/2009
7608660Method of coating paper with copolymers of vinyl alcohol and itaconic acid
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...
10/27/2009
7608662Copolymers 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...
10/27/2009
7511093Polyvinyl alcohol polymer film and polarization film
A polyvinyl alcohol polymer film includes a polyvinyl alcohol polymer and a plasticizer selected from the group consisting of ethylene glycol, glycerin, propylene glycol, diethylene glycol, diglycerin, triethylene glycol, tetraethylene glycol, and trimethylolpropane...
03/31/2009
7377975Pigment for use in inkjet recording medium coatings and methods
Pigment suitable for use in coating compositions for inkjet recording media. Surfaces of an inorganic particulate are interacted with a water-soluble polyvalent metal salt in an aqueous medium. The treated particle surfaces have a significant cationic surface charge...
05/27/2008
7371796Copolymers 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
7358304High-molecular, crosslinked polyvinyl butyrals, method for the production and use thereof
The invention relates to high-molecular, crosslinked polyvinyl butyrals, obtainable by (self-) crosslinking polyvinyl butyrals that contain coacetalated, acid-functionalized aldehydes. The invention also relates to a method for producing the same and to the use ther...
04/15/2008
7358297Preparation of multimodal polymer dispersions using polymeric stabilizer, and use thereof
A description is given of a process for preparing bimodal or multimodal polymers from olefinically unsaturated monomers in an aqueous medium. The process features the introduction as initial charge of selected mixtures of polymeric stabilizers and of at least...
04/15/2008
7332565Method for the reduction of the residual monomer content in aqueous polymer dispersions
A method for reducing the amount of residual monomer in aqueous polymer dispersions by aftertreatment with an initiator system comprises aftertreating the aqueous polymer dispersion with addition of an initiator system essentially comprising ...
02/19/2008
7329695Ink formulations and uses thereof
The present invention provides a chemical ink for pad printing a medical device comprising water; a colorant; and a crosslinkable, water-soluble poly(vinyl alcohol). The ink has a viscosity of greater than 50 centipoise, and good adhesion to the medical device. Meth...
02/12/2008
7323503Process for producing ethylene-vinyl alcohol copolymer resin, process for producing pellets and resin pellets
A process for producing an ethylene-vinyl alcohol copolymer resin, including feeding EVOH into an extruder, keeping the temperature of the melting resin in the extruder at 70 to 170° C., adjusting the amount of water in the extruder so that the water content right ...
01/29/2008
7319118Food-coating composition, process for preparation thereof and use
The present invention relates to the use of aqueous copolymer poly(vinyl ester) dispersions which comprise cellulose ethers in an amount up to a maximum of 0.45% by weight in food-coating compositions, and also food-coating compositions which comprise these aqueous ...
01/15/2008
7291668Composition containing polymer having ionic functional group, ink composition, and image-forming method and image-forming apparatus employing the ink composition
The present invention provides an ink composition containing a pigment dispersed uniformly in a solvent and a block polymer having an ionic functional group, an image-forming method and an image-forming apparatus employing the ink composition. The composition...
11/06/2007
7285594Process for the aqueous plasticization of polyvinyl acetal resins
An improved aqueous slurry composition for the plasticizing of polyvinyl acetal resins whereby salts, acids and/or bases are used to enhance absorption rates of the plasticizer into the resin, and a process therewith for the production of plasticized polyvinyl aceta...
10/23/2007
7276184Surfactant assisted nanomaterial generation process
A process for the preparation of nanoscale particulate material is described comprising: (i) combining one or more functional material to be precipitated as nanoscale particles and one or more surface active material in a compressed CO2 phase with a densi...
10/02/2007
7208537Self-priming chromate free corrosion resistant coating composition and method
A self-priming rapid curing chromate free corrosion resistant coating composition based on a random polyvinyl terpolymer and an alkyd resin with a hydroxyl number between 80–200 in association with a mineral acid catalyst, at least one organic solvent and a drying...
04/24/2007
7205353Self-priming coil coating composition and method
The invention discloses self-priming coating composition based on a vinyl terpolymer, a monomeric or oligomeric alkoxy amino resin cross linker and a multi component combination of two or more resins selected from (a) oligomeric saturated polyester resin, (b) oligom...
04/17/2007
7198854Silicone composition useful especially for the production of anti-friction varnish, process for the application of said varnish to a substrate, and treated substrate
A silicone composition useful especially for the production of varnishes applicable to substrates whose coefficient of friction it is sought to reduce. The object is to provide an anti-friction silicone varnish for textiles coated with silicone elastomers which is e...
04/03/2007
7186775Method for improved the handling heat-resistance of the ethylene-vinyl alcohol copolymer
The present invention relates to a method for increasing the heat-resistant of ethylene-vinyl alcohol copolymer (EVOH), the method is characterized by using a mixture of acetic acid, magnesium dihydrogen phosphate, and potassium dihydrogen phosphate at a certain rat...
03/06/2007
7183344Polyvinyl alcohol film and polarizing film
The invention is a film of a vinyl alcohol polymer that contains from 0.01 to 20 mol % of cationic group-containing units and contains from 0.5 to 24 mol % of α-olefin units having at most 4 carbon atoms. The polyvinyl alcohol film gives polarizing films and polari...
02/27/2007
7179862Powdery, cross-linked absorbent polymers method for the production thereof and their use
The invention relates to crosslinked polymerizates which are capable of absorbing, which are based on partially neutralized, monoethylenically unsaturated monomers that carry acidic groups, which exhibit improved properties, in particular, with regard to their abili...
02/20/2007
7172651Pigment for use in inkjet recording medium coatings and methods
Pigment suitable for use in coating compositions for inkjet recording media. Surfaces of an inorganic particulate are interacted with a water-soluble polyvalent metal salt in an aqueous medium. The treated particle surfaces have a significant cationic surface charge...
02/06/2007
7157147Gas-barrier film and gas-barrier coating agent, and method for production thereof
Provided are a gas-barrier film which is a laminate comprising a substrate layer comprising a thermoplastic resin film and a gas-barrier layer comprising a hydrolysate of a silicon alkoxide, a stratified silicate and a polyvinyl alcohol base resin, wherein a radius ...
01/02/2007
7147889Organic photochromic compositions of improved kinetic performance
Described are imbibition compositions that incorporate kinetic enhancing additive(s) into photochromic polymeric host material. Kinetic enhancing additives include organic polyol(s), epoxy-containing compound(s) or a mixture thereof that improves the performance of ...
12/12/2006
7138187Polyvinyl alcohol-based film exhibiting improved adhesion
Modifications to the surface of polyvinyl alcohol-based films are disclosed that result in improved adhesion to optical materials. Specifically, the surface chemistry of the polyvinyl alcohol-based film is altered to include fluorine bonds, which surprisingly improv...
11/21/2006
7125914Heat-cured furan binder system
This invention relates to a heat-cured furan foundry binder system comprising a furan binder and a furan monomer or oligomer containing at least two terminal hydroxymethyl groups. The binders are particularly useful as warm-box binders, because they cure faster and ...
10/24/2006
7112630Water-soluble, antimicrobial active polymer and ink composition comprising the same
A water-soluble, antimicrobial active polymer and an ink composition are prepared by coupling an antimicrobial active compound to a branch of polyvinylalcohol. An excellent antimicrobial effect is provided without affecting the properties of the ink composition that...
09/26/2006
7078462Cleaning product
An automatic laundry or dishwashing product in unit dose form comprising at least three distinct zones for delivering into at least three different stages in the washing cycle. The product provides improved cleaning, care and finishing benefits. ...
07/18/2006
7074469Composite compositions with barrier properties and methods for the preparation thereof
Compositions including a fabric layer with a water-insoluble polymer impregnated into the fabric layer to provide sheets are described. In particular, the sheet composites have a permeability to oxygen in the direction perpendicular to the sheet that is less than on...
07/11/2006
7071327Polysaccharide-based superabsorbent film
A superabsorbent polysaccharide can be obtained by crosslinking a polysaccharide or derivative thereof with at least 1% by weight of a flexible spacer having a chain length of at least 9 chain atoms and having terminal activated coupling groups. The flexible spacer ...
07/04/2006
7070731Dispersion stabilizer for suspension polymerization of vinyl compound and method of producing the same
The present invention provides a new dispersion stabilizer that satisfies, at a high level, the performances required for a dispersion stabilizer used for suspension polymerization. A method of producing a dispersion stabilizer that is useable for suspension polymer...
07/04/2006
7072248Rapidly low temperature curable high gas barrier coating
Disclosed herein is a barrier coating that shows decreased moisture sensitivity compared to conventional coatings, and provides high barrier properties, as well as a rapid method for producing the coating. These improvements are generated through use of a boric acid...
07/04/2006
7067575Water-soluble film of polyvinyl alcohol
A water-soluble film made from a resin composition comprising (A) 100 parts by weight of an anionic group-modified polyvinyl alcohol having a viscosity of 10 to 35 mPa·s measured at 20° C. with respect to a 4% by weight aqueous solution thereof, an average degree ...
06/27/2006
7049360Water-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
7037350Composition for chemical-mechanical polishing and method of using same
A composition for chemical-mechanical polishing, comprising an aqueous solution and an abrasive that comprises polymer particles, is described. The polymer particles carry an electrical charge, such that nearby particles repel one another. Accordingly, aggregation o...
05/02/2006
7019054Formulation for achievement of oil and grease resistance and release paper properties
A formulation, and a process for making same, is disclosed which is useful as a coating or treatment for imparting oil and grease resistance to an underlying substrate. The formulation does not contain any fluorochemicals. At the same time, however, the formulation ...
03/28/2006
7014909Control of volatile carbonyl compound in compositions used in printing, printing methods and resulting printed structure
Volatile organic compounds containing carbonyl groups can be released by lithographic printing materials including inks, fountain solutions and printed materials. Volatile organic compounds containing carbonyl groups can also have a serious negative impact on the ta...
03/21/2006
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