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| Number | Title | Issue Date |
| 7268198 | Silicone hydrogel contact lenses Silicone hydrogels, including vinyl carbonate endcapped polysiloxanes containing a fluorinated side chain, are useful as biomaterials, especially hydrogel biomaterials, including contact lens materials. The hydrogels are the hydrated polymerization product of a mono... | 09/11/2007 |
| 7196135 | Stabilizing composition I A stabilizer composition is described and comprises a 3-arylacrylate, a polymeric compound with molecular weight at least 2000, bearing, on a polymeric framework, side groups having amine functions, where all of the substituents in the α-position to the amine nitro... | 03/27/2007 |
| 7157608 | Process for producing allyl ether In the production of allyl ethers of polyol by reacting a straight-chain polyol compound with an allyl halide in the presence of an alkali metal hydroxide, wherein the straight-chain polyol compound has carbon atoms each having one hydroxyl group, the reaction betwe... | 01/02/2007 |
| 7098282 | Fluorosulfone-silicone hydrogel, RGP contact lenses, optical medical devices and compositions thereof Highly comfortable oxygen permeable and hydrophilic contact lenses are manufactured from a copolymer of an ethylenically unsaturated novel monomers Bis(perfluoroalkylsulfonyl)-amidoethyl methacrylate, Bis(alkylsulfonyl)amidoethyl methacrylate, (N-alkylsulfonyl-N′-... | 08/29/2006 |
| 7041762 | Polyvalent imprinted polymer and process of preparation thereof The present invention relates to a polyvalent imprinted polymer useful in medicine and biotechnology and to a process for the preparation thereof. More particularly it relates to the said polymer of formula (1) herein below | 05/09/2006 |
| 7005513 | Functionalized glycosaminoglycan polymer and medical instruments and drugs by using the same The present invention provides a functionalized polymer which can be used extensively in the field of medical drugs as well as medical devices and which is obtainable in an organic synthetic manner from glycosaminoglycan controlling adhesion, migration and prolifera... | 02/28/2006 |
| 6977285 | Oligomers containing N-acetyl glucosamine (NAG) Functional polyvalent oligomer for applications in medicine and biotechnology are disclosed. These oligomers have the formula (1) wherein R is H, CH3, C2H5, R1, is H, NH2, OH, COOH, X is... | 12/20/2005 |
| 6933356 | Particles of carboxylated polymer Carboxyl group-containing polymer particles giving a neutralized viscous liquid being excellent in gel appearance and transparency. Carboxyl group-containing polymer particles comprising 55 to 94% by volume of water-swelled gel particles having a particle diameter o... | 08/23/2005 |
| 6884842 | Molecular compounds having complementary surfaces to targets Synthetic polymer complements (SPCs) are provided, as well as methods for their synthesis and use. The SPCs may have surfaces that include functional groups that are complementary to surface sites of targets such as nanostructures or macromolecular targets, and may ... | 04/26/2005 |
| 6605182 | Polymers, their preparation and their use (Co)poly--hydroxyacrylic-acid-based polymers (P), optionally in lactonized form or in salt form, optionally as Mg-complexes, and which are characterized by a content in carbohydrate units and 2-hydroxy-2-carboxyethylene-1,2 monomer units, are suita... | 08/12/2003 |
| 6541587 | Saccharide-derived monomer, method for manufacturing the same and highly-dielectric polymer consisting of the said monomer It is disclosed that a saccharide-derived monomer in which polymerizable functional group is introduced into hydroxyl group or other functional group contained in a saccharide or a saccharide derivative compound and cyanoethyl group is introduced into all... | 04/01/2003 |
| 6476185 | Preparation of an organic compound by a condensation reaction The invention pertains to a process for the preparation of an organic compound by a condensation reaction in which besides the organic compound other products are formed and one or more of the products formed during the preparation are extracted from the ... | 11/05/2002 |
| 6441057 | Optical sensor membranes having improved barrier properties The present invention discloses novel polymer compositions comprising cellulose acrylamide, acrylamide and/or a fluorescent indicator species, and membranes made with these compositions. Optical pH sensors for monitoring the pH in a fluid sample, and meth... | 08/27/2002 |
| 6410668 | Robust polymer coating The instant invention describes uncharged water-soluble polymers to suppress electroosmotic flow in capillary electrophoresis. The polymers in the instant invention are copolymers of various derivatives of acrylamide and methacrylamide monomers with vario... | 06/25/2002 |
| 6224981 | Water-redispersible powders of film-forming polymers having a core/shell structure The present invention relates to a water-redispersible powder based on film-forming polymers which are substantially water-insoluble and which are prepared by aqueous emulsion polymerization of monomers containing ethylenic unsaturation and with a "core/s... | 05/01/2001 |
| 6043328 | Polysiloxane-polyol macromers, their preparation and their use The present invention describes a polysiloxane-polyol macromer which is uninterrupted or interrupted by a bivalent structural element and furthermore carries at least one polymerizable segment on a polyol segment; a polymer comprising a polymerization pro... | 03/28/2000 |
| 6040406 | Detectable water-treatment polymers and methods for monitoring the concentration thereof Water-treatment compositions are provided which contain a water-soluble, water-treatment polymer and, optionally, additional water-treatment chemicals. The polymers are prepared from water-treatment monomers and a photo-inert, latently-detectable moiety w... | 03/21/2000 |
| 5977275 | Polymers having pendant polysaccharide moieties and uses thereof The present invention relates to a water-soluble or water-dispersible polymer having pendant polysaccharide moieties. The invention also provides a method for cleaning an article and a method of providing soil resistance to an article using the polymers h... | 11/02/1999 |
| 5945457 | Process for preparing biologically compatible polymers and their use in medical devices A hemocompatible composition comprising a polymer containing at least one pharmacologic material chemically bonded to a polymer backbone. Such compositions may be obtained by reacting a pharmacologic material with a compound containing a polymerizable gro... | 08/31/1999 |
| 5939466 | Poly-unsaturated carbohydrate derivatives, polymers thereof and their use The present invention relates to polymerizable derivatives of carbohydrates comprising a carbohydrate radical and more than one radically polymerizable hydrocarbon group which is linked optionally via a spacer to the carbohydrate radical, to homopolymers,... | 08/17/1999 |
| 5910519 | Method of forming shaped hydrogel articles including contact lenses using inert, displaceable diluents Shaped hydrogel articles such as soft contact lenses are prepared by the steps of: (1) molding or casting a polymerization mixture comprising: (a) a monomer mixture comprising a major proportion of one or more hydrophilic monomers such as 2-hydroxyethyl methac... | 06/08/1999 |
| 5872199 | Sugar based vinyl monomers and copolymers useful in repulpable adhesives and other applications Copolymers prepared from novel alkyl polyglycoside maleic acid esters and vinyl monomers are biodegradable and repulpable and are useful in adhesives, coatings, sizing agents, toners, retention aids and related polymer resins in paper and paperboard appli... | 02/16/1999 |
| 5856416 | Unsaturated carbohydrate derivatives polymers thereof and their use The present invention relates to polymerizable derivatives of carbohydrates comprising a compound of formula (I) R1 --(COO--Alk)m --(OCONH--R)n --(NHCO)p --Y--Z (I) wherein R1 is a radically polymerizable hydro... | 01/05/1999 |
| 5821312 | Acid-functionalized saccharides as polyvalent anti-infectives The present invention includes polymerizable monomers comprising an acid-functionalized glycoside moiety. The monomer can have a polymerizable functional group, such as an olefinic bond, to which the acid-functionalized glycoside moiety is attached by a s... | 10/13/1998 |
| 5789462 | Photocured crosslinked-hyaluronic acid contact lens A photocured crosslinked-hyaluronic acid contact lens which comprises a photocured crosslinked-hyaluronic acid derivative produced by the formation of a crosslinked cyclobutane ring by light irradiation from mutual photoreactive crosslinking groups of a p... | 08/04/1998 |
| 5760150 | Copolymerizates of unsaturated carboxylic acids, process for the preparation thereof and use thereof The present invention relates to copolymerizates (A) of unsaturated carboxylic acids, selected from carboxylic acids containing sulfonic acid groups, comonomer mixtures of carboxylic acids containing sulfonic acid groups with dicarboxylic acids, and comon... | 06/02/1998 |
| 5756626 | Vinyl chloride copolymers with monoallyl ethers of polyhydric alcohols A process for polymerizing vinyl chloride alone or a mixture of vinyl chloride and other vinyl monomer(s) with hydroxy containing monomer(s), and the copolymer obtained thereby. The hydroxy containing monomer(s) is obtained by the partial allylation of di... | 05/26/1998 |
| 5719244 | Latex binders and coatings containing polymers derived from polymerizable saccharide monomers Latex binders are disclosed which are used to prepare freeze-thaw-stable latex coating compositions which may be free of volatile freeze-thaw/open-time additives. The latex binders are prepared by combining a polymer which is the polymerization product of... | 02/17/1998 |
| 5690953 | Polymeric ophthalmic lens with crosslinker containing saccharide residue An ophthalmic lens, particularly a soft hydrogel contact lens, is disclosed. The lens can be derived from a crosslinked polymer made by reacting a hydrophilic monomer with a crosslinking amount of a polyfunctional compound containing a saccharide residue.... | 11/25/1997 |
| 5654198 | Detectable water-treatment polymers and methods for monitoring the concentration thereof Water-treatment compositions are provided which contain a water-soluble, water-treatment polymer and, optionally, additional water-treatment chemicals. The polymers are prepared from water-treatment monomers and a photo-inert, latently-detectable moiety w... | 08/05/1997 |
| 5646221 | Adhesive base material An adhesive base material comprises a polymer obtained by polymerizing a glucosyloxy alkyl (meth)acrylate, a hydroxyalkyl (meth)acrylate, an alkyl (meth)acrylate and a polyfunctional monomer. This adhesive base material can be caused to swell uniformly be... | 07/08/1997 |
| 5629395 | Process for producing cross-linked polymer containing carboxyl group There is provided an industrially advantageous process for producing a crosslinked polymer containing carboxyl groups which comprises (a) polymerizing an ,ଲ-unsaturated carboxylic acid and a crosslinking agent copolymerizable with it in the p... | 05/13/1997 |
| 5621056 | Polymers having enhanced thermal stabilities and methods for their preparation using 1',2,3,3',4,4',6,6'-octa-o-allylsucrose A method for producing stabilized polymers, exhibiting enhanced thermal stability, which comprises polymerizing a mixture comprising: a monomer comprising an allyl-containing group which is bonded to primary and/or secondary hydroxyl groups on a saccharid... | 04/15/1997 |
| 5614601 | Polymers having enhanced thermal stabilities and methods for their preparation using 1',6, 6'4,4', 6, 6'-Trimethacryloyl-2, 3, 3', 4, 4'-Penta-O-Methylsucrose A method for producing stabilized polymers, exhibiting enhanced thermal stability, which comprises polymerizing a mixture comprising: a monomer comprising an allyl-containing group which is bonded to primary and/or secondary hydroxyl groups on a saccharid... | 03/25/1997 |
| 5587442 | Polyglycomers A polyglycomer is disclosed of the following formula: ##STR1## wherein L is a linker selected from the group of --O--(CH2)m --, --NH--(CH2)m --, --O--(CH2)m --X--, and --NH--(CH2 | 12/24/1996 |
| 5580940 | Biodegradable diacrylates and adhesives based thereon Biodegradable diacrylates containing both a polymerizable double bond and a mono- or disaccharide residue are useful in the preparation of biodegradable polymers which can be used as adhesives. Methods of making the diacrylates and polymers are disclosed.... | 12/03/1996 |
| 5527866 | Process for making solid polyol polyester polymer Nondigestible fat compositions useful as replacements for triglyceride fats or oils in foods are disclosed. These compositions have relatively flat solid Fat Content (SFC) profile slopes between typical room temperature and body temperature. The nondigest... | 06/18/1996 |
| 5457140 | Method of forming shaped hydrogel articles including contact lenses using inert, displaceable diluents Shaped hydrogel articles such as soft contact lenses are prepared by the steps of: (1) molding or casting a polymerization mixture comprising: (a) a monomer mixture comprising a major proportion of one or more hydrophilic monomers such as 2-hydroxyethyl methac... | 10/10/1995 |
| 5373052 | Organic polymer microparticle and process for producing the same Disclosed is an organic polymer microparticle which is obtainable from copolymerization of (a) an ethylenically unsaturated amine polymer obtained by reacting an amine polymer having at least two primary amino groups with 0.01 to 0.99 molar equivalents ba... | 12/13/1994 |
| 5319048 | Non-caloric bulking agents for food for replacement of sugar or starch A new composition of matter that can be substituted as a bulking agent for sugar or starch to reduce the caloric content of foods comprising the polymeric product of the reaction of a water-soluble polyol with a di- or tri-epoxide, in water containing a w... | 06/07/1994 |