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| Number | Title | Issue Date |
| 7208532 | Manufacture of improved support matrices A method for the production of a cross-linked support matrix that in form of a bed will permit liquid flow velocities above 5 cm/h, preferably above 50 cm/h, to pass through the bed. The method is characterized in that it comprises the steps: (a) providing a startin... | 04/24/2007 |
| 7144573 | Latent reactive blood compatible agents A reagent and related method for use in passivating a biomaterial surface, the reagent including a latent reactive group and a bifunctional aliphatic acid (e.g., fatty acid), in combination with a spacer group linking the latent reactive group to the aliphatic acid ... | 12/05/2006 |
| 7071235 | Latent reactive blood compatible agents A reagent and related method for use in passivating a biomaterial surface, the reagent including a latent reactive group and a bifunctional aliphatic acid (e.g., fatty acid), in combination with a spacer group linking the latent reactive group to the aliphatic acid ... | 07/04/2006 |
| 7060056 | Biocompatible pharmaceutical articles Many conventional pharmaceutical articles contain seemingly inert components that come into contact with a pharmaceutically active material during use, which contact substantially reduces the pharmaceutical effectiveness of the pharmaceutically active material. The ... | 06/13/2006 |
| 7001678 | Crosslinked polymer blends that include a luminescent polymer, and devices incorporating same Crosslinked polymer blends that include a luminescent polymer. Also featured are devices incorporating these blends. ... | 02/21/2006 |
| 6997960 | Textile treatments and fibers and textile goods treated therewith A first fiber treatment comprising a functional protein prepared by treating proteins such as collagen with a cross-linking agent and a solvent-base resin; a second one comprising the above functional protein and a water-base resin; a third one comprising a water-so... | 02/14/2006 |
| 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 |
| 6903169 | LTMC polymerization of unsaturated monomers A process for polymerizing unsaturated monomers is disclosed. The process comprises polymerizing, in the presence of a late transition metal catalyst (LTMC), a variety of unsaturated monomers which are traditionally, some of which are exclusively, made by free radic... | 06/07/2005 |
| 6841644 | Biopolymers obtained by solid state irradiation in an unsaturated gaseous atmosphere Disclosed are modified naturally occurring biocompatible biopolymers of plant and animal origin made by subjecting same to ionizing radiation in the presence of a mediating gas, typically acetylene to enable one to selectively enhance and modify one or more of the p... | 01/11/2005 |
| 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 |
| 6610810 | Biopolymers obtained by solid state irradiation in an unsaturated gaseous atmosphere Disclosed is a method for modifying naturally occuring biocompatible biopolymers of plant and animal origin by subjecting same to ionizing radiation in the presence of a mediating gas, typically acetylene to enable one to selectively enhance and modify on... | 08/26/2003 |
| 6541564 | Preparation of copolymers of carbon monoxide and an olefinically unsaturated compound in an aqueous medium In a process for the metal-catalyzed preparation of copolymers of carbon monoxide and an olefinically unsaturated compound having from 2 to 20 carbon atoms in an aqueous medium, the copolymerization is carried out in the presence of a water-soluble macrom... | 04/01/2003 |
| 6517933 | Hybrid polymer materials The invention is directed to a hybrid polymer material or system that combines naturally occurring building blocks with synthetic building blocks. The sets of naturally occurring and synthetic building blocks are mixed and joined on a molecular or nanosco... | 02/11/2003 |
| 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 |
| 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 |
| 6316505 | Pharmaceutical compositions comprising fluorinated co-polymers Block copolymers containing a fluorinated hydrocarbon unit, a hydrocarbon unit, and a poly(oxyethylene) unit are useful in fluid formulations of pharmaceutical agents. A typical embodiment is: C11 H23 --CONHC2 H4 NHC... | 11/13/2001 |
| 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 |
| 6197951 | Starch graft copolymer blast media The invention discloses a starch graft poly(meth)acrylate blast media which is effective in paint removal. The media is superior to a physical blend of the components (i.e., starch and acrylic polymers) and to either a starch polymer or an acrylic polymer... | 03/06/2001 |
| 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 |
| 6054492 | Fluorinated copolymeric pharmaceutical adjuncts Block copolymers containing a fluorinated hydrocarbon unit, a hydrocarbon unit, and a poly(oxyethylene) unit are useful in fluid formulations of pharmaceutical agents. A typical embodiment is: C11 H23 --CONHC2 H4 NHC... | 04/25/2000 |
| 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 |
| 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 |
| 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 |
| 5780619 | Starch graft poly(meth)acrylate blast media The invention discloses a starch graft poly(meth)acrylate blast media which is effective in paint removal. The media is superior to a physical blend of the components (i.e., starch and acrylic polymers) and to either a starch polymer or an acrylic polymer... | 07/14/1998 |
| 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 |
| 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 |
| 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 |
| 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 |
| 5609817 | Extrusion-blown films from graft polymers prepared from cereal flour Moisture-shrinkable films can be extrusion blown from flour-poly(methyl acrylate) graft copolymers. The films shrink when exposed at room temperature to relative humidities approaching 100%. The films have potential application in shrink-wrapping irregula... | 03/11/1997 |
| 5583193 | Polysaccharide graft-polymers and the use in papermaking thereof A process for preparing a modified polysaccharide graft copolymer complex which comprises the steps of: i. subjecting polysaccharide to graft copolymerization with a vinyl monomer; ii. treating the polysaccharide graft copolymer with: a. polyethylene glycol to... | 12/10/1996 |
| 5580941 | Graft copolymers of unsaturated monomers and sugars, a process for the production and the use thereof 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... | 12/03/1996 |
| 5578678 | Graft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their use Graft polymers are obtainable by free radical polymerization of (A) monomers or monomer mixtures of (a) from 10 to 100% by weight of open-chain N-vinylcarboxamides (b) from 0 to 90% by weight of other, carboxyl-free monoethylenically unsaturated monomers which are ... | 11/26/1996 |
