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| Number | Title | Issue Date |
| 7199200 | Method for the production of homo-, co- and block copolymers A process is described for producing homo-, co- and block copolymers by controlled radical polymerization in aqueous solution, wherein a monomer component (A) consisting of at least one radically polymerizable monomer, an initiator component (B) consisting of at lea... | 04/03/2007 |
| 7153821 | Use of graft polymers in fabric cleaning A laundry cleaning composition comprises a graft polysaccharide polymer benefit agent capable of imparting a benefit such as soil release or fabric care, and at least one additional laundry cleaning ingredient. ... | 12/26/2006 |
| 7144852 | Process for preparation of particles The present invention is directed to a process for the preparation of polysaccharide-grafted polymer particles wherein the polysaccharide is preferably a β-1,4 linked polysaccharide, comprising miniemulsion polymerisation. ... | 12/05/2006 |
| 7141304 | Film substrate and its manufacturing method A film substrate of an electronic displaying element, an electronic optical element, a touch panel, or a solar battery is disclosed which is composed mainly of an organic polymer having water solubility of 0 to 5 g based on 100 g of 25° C. water and having acetone ... | 11/28/2006 |
| 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 |
| 7078462 | Cleaning 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 |
| 7073762 | Detachable computer mouse pad surface in multiple sheet form A computer mouse pad comprises a rigid base and a plurality of paper sheets arranged in a stack and detachably fixed to the base. Each of the stacked sheet is detachably fixed to a sheet immediately below it in the stack. The sheets are provided with printed message... | 07/11/2006 |
| 7014845 | Crosslinked copolymers based on non-crosslinked polycarboxylic copolymers The invention relates to cross-linked copolymers based on non cross-linked polycarboxylic copolymers, said non cross-linked copolymers containing at least one polysaccharide. The invention also relates to a process for the preparation of these copolymers and their u... | 03/21/2006 |
| 6971619 | Airglide computer mouse pad having whisper surfaces A computer mouse pad comprises a rigid base and a plurality of fanfolded paper sheets arranged in a stack and detachably fixed to the base. Each of the stacked sheet is detachably fixed to a sheet immediately below it in the stack through microperfs. A subtle openin... | 12/06/2005 |
| 6908976 | Polymer-grafted stretchable cotton A solution for forming a graft substrate containing a graft initiator, a catalyst for activating the graft initiator, a polymerizable silicon softener, and at least one additional prepolymer, each of the softener and the prepolymer which includes a functional group ... | 06/21/2005 |
| 6906159 | 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... | 06/14/2005 |
| 6835767 | Polymer dispersions containing starch A polymer dispersion is prepared by copolymerization of from 20 to 70 parts by weight of a monomer mixture comprising a) from 2.5 to 100% by weight of one or more (meth)acrylates of monohydric, saturated C3-C8... | 12/28/2004 |
| 6706778 | Process for the production of molded particles for microbial cell-immobilization This invention provides a process for the production of molded particles for microbial cell-immobilization which is characterized in that: an aqueous liquid composition which comprises: (a) an ethylenically unsaturated group-containing urethane resin w... | 03/16/2004 |
| 6616885 | Machinable positive image model material for shape deposition manufacturing A manufacturing method comprising the steps of forming at first solidified wax layer of a desired shape, depositing onto the first solidified wax layer at least one layer of a liquid resin formulation, solidifying the layer of liquid resin formulation, de... | 09/09/2003 |
| 6586493 | Polysaccharide-based hydrogels and pre-gel blends for the same Disclosed are hyaluronate-containing hydrogels having angiogenic and vascularizing activity and pre-gel blends for preparing the hydrogels. The hydrogels contain a cross-linked matrix of a non-angiogenic hyaluronate and a derivatized polysaccharide materi... | 07/01/2003 |
| 6423775 | Starch-based graft polymer, process for its preparation, and use thereof in printing inks and overprint varnishes A starch-based graft polymer, a process for its preparation and printing inks and overprint varnishes containing the graft polymer. The graft polymer is based on a derivatized starch or a derivatized starch product as the graft substrate. The starch or st... | 07/23/2002 |
| 6372813 | Methods and compositions for attachment of biomolecules to solid supports, hydrogels, and hydrogel arrays The present invention provides solid supports (e.g., glass) and polymer hydrogels (particularly polymer hydrogel arrays present on a solid support) comprising one or more reactive sites for the attachment of biomolecules, as well as biomolecules comprisin... | 04/16/2002 |
| 6355734 | Resin-fortified sugar-based vinyl emulsion copolymers and methods of preparing the same A method of preparing a resin-fortified polymer emulsion is disclosed. In one embodiment, the method comprises polymerizing at least one monomer in the presence of a surfactant, an initiator, a resin and sugar-based vinyl monomer under emulsion polymeriza... | 03/12/2002 |
| 6342541 | Machinable positive image model material for shape deposition manufacturing A manufacturing method comprising the steps of forming at first solidified wax layer of a desired shape, depositing onto the first solidified wax layer at least one layer of a liquid resin formulation, solidifying the layer of liquid resin formulation, de... | 01/29/2002 |
| 6255427 | Amphoteric polymer dispersion An amphoteric polymer dispersion obtained in the presence of at least one of starch or a starch derivative by a two-stage polymerization using anionic and cationic monomers is useful as a sizing agent for paper products, as a coating for various substrate... | 07/03/2001 |
| 6107432 | Water-swellable, hydrophilic polymer compositions The present invention relates to water-swellable, hydrophilic polymer compositions which can be prepared by free-radical (co)polymerization of one or more hydrophilic monomers in the presence of starch and/or chemically modified starch, wherein a free-rad... | 08/22/2000 |
| 6090884 | Starch degradation/graft polymerization composition, process, and uses thereof Disclosed herein are starch stabilized polymeric emulsions. Persulfate salts degrade starch to give it suitable characteristics, and then also, essentially simultaneously, initiate polymerization with monomers. This permits a single reaction condition to ... | 07/18/2000 |
| 6040379 | Starch copolymer products and process The invention provides methods for the preparation of a starch copolymer product which is the reaction product of starch and one or more synthetic monomers capable of undergoing free radical polymerization wherein the reaction product is in the form of an... | 03/21/2000 |
| 5981738 | UV curable cellulose esters The present invention relates to a modified cellulose ester containing unsaturated pendent groups which can be prepared by reacting a cellulose ester containing residual hydroxyl groups with, for example, maleic anhydride in acetic acid solvent with sodiu... | 11/09/1999 |
| 5981743 | Cyclic ester ring-opened oligomers and methods of preparation An oligomer composed of a carbohydrate head group and an oligomer chain is disclosed. Methods for increasing the oligomerization rates of lactones and cyclic carbonates are also disclosed.... | 11/09/1999 |
| 5925722 | Amphoteric and anionic polymer dispersions, process for their preparation and use thereof A process for producing an amphoteric aqueous polymer dispersion by two-step radical copolymerization includes (a) decomposing a starch by treatment with an enzyme or acid hydrolysis to provide a starch solution composed of decomposed starch and/or deriva... | 07/20/1999 |
| 5916968 | Adhesives resistant to skin-penetration enhancers A graft copolymer for use as an adhesive for drug delivery patches or dressings that is resistant to dissolution in the presence of skin penetration enhancers comprises copolymerized acrylic and, optionally, vinyl monomers, to form a backbone polymer, to ... | 06/29/1999 |
| 5889073 | Process for producing material with hydrophilic surface Disclosed is a process for producing a material having hydrophilic surface which comprises forming a hydrophobic photopolymerizable composition comprising a hydrophobic compound (a) having two or more polymerizable unsaturated double bonds per molecule an... | 03/30/1999 |
| 5886124 | Liquid-absorbent polymer and gelatinoid product Disclosed are a liquid-absorbent polymer and a substantially clear gelatinoid product. The liquid absorbent polymer comprises a saponified graft copolymer of starch and a polynitrile species, such as polyacrylonitrile. In accordance with the disclosed inv... | 03/23/1999 |
| 5847065 | Dispersions of graft copolymers of unsaturated monomers and sugars The present invention relates to water-soluble, acid-groups-containing graft copolymers which are at least partially biodegradable and are based on sugars and monoethylenically unsaturated carboxylic acids, sulfonic acids and/or phosphonic acids or the sa... | 12/08/1998 |
| 5837747 | Crosslinkable polysaccharides, polycations and lipids useful for encapsulation and drug release The present invention relates to a new form of biocompatible materials (e.g., lipids, polycations, polysaccharides) which are capable of undergoing free radical polymerization, e.g., by using certain sources of light; methods of modifying certain syntheti... | 11/17/1998 |
| 5834556 | Graft copolymer of polycationic species and water-soluble polymers, and uses therefor In accordance with the present invention, there are provided methods to render cells non-adhesive and/or non-immunogenic with respect to macromolecules typically encountered in culture media or in physiological media.... | 11/10/1998 |
| 5763557 | Grafting of a polymer onto cellophane by ultrasonic induced free radical polymerization The invention relates to the chemical bonding of a polymer/or polymers onto non-metallic substrates such as cellophane by ultrasonic techniques. The cellophane film is preactivated by contacting with silver nitrate solution followed by treatment with pota... | 06/09/1998 |
| 5763504 | Photcurable glycosaminoglycan derivatives, crosslinked glycosaminoglycans and method of production thereof Photocurable glycosaminoglycan (GAG) derivatives and crosslinked glycosaminoglycans, which are highly safe and biocompatible, a method of preparing such photocurable GAG derivatives readily moldable by casting using a solvent when desired, by which method... | 06/09/1998 |
| 5760154 | Graft copolymers of unsaturated monomers and polyhydroxy compounds, a process for their production and their use The present invention relates to water-soluble, acid groups-containing graft copolymers which are at least partially biodegradable and are based on polyhydroxy compounds and monoethylenically unsaturated carboxylic acids, sulfonic acids and/or phosphonic ... | 06/02/1998 |
| 5741901 | UV curable cellulose esters The present invention relates to a modified cellulose ester containing unsaturated pendent groups which can be prepared by reacting a cellulose ester containing residual hydroxyl groups with, for example, maleic anhydride in acetic acid solvent with sodiu... | 04/21/1998 |
| 5733994 | Biodegradable, water-resistant polymer material A novel biodegradable, water-resistant polymer material which can be produced with defined material properties is suggested, in particular in the form of foils, films, strips, masses, molded articles or the like, this material consisting essentially of a ... | 03/31/1998 |
| 5728792 | Method for preparing water absorbent resin A method for producing a water absorbent resin by polymerizing a water-soluble monomer having a polymerizable unsaturated group (A) and a crosslinking agent (B) as the essential components by radical polymerization in the presence of water or, polymerizin... | 03/17/1998 |
| 5705270 | Microcapsules prepared from crosslinkable polysaccharides, polycations and/or lipids and use therefor The present invention relates to a new form of biocompatible materials (e.g., lipids, polycations, polysaccharides) which are capable of undergoing free radical polymerization, e.g., by using certain sources of light; methods of modifying certain syntheti... | 01/06/1998 |
| 5665816 | Aqueous dispersions for adhesives Aqueous dispersions prepared by polymerization of vinyl acetate, ethylene, and comonomers selected from the group consisting of vinyl esters of aliphatic (C3 -C18)-carboxylic acids, acrylic acid esters, methacrylic acid esters, and m... | 09/09/1997 |
