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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7910654 | Polymer blend film containing cyclic polyolefin A polymer blend film contains a film forming material containing at least a polymer having an absolute value of an intrinsic birefringence of 0.02 or less, and a cyclic olefin resin, wherein the film has a haze of 5% or less. ... | 03/22/2011 |
| 7875676 | Glyoxalation of vinylamide polymer The present invention is directed to a method for preparing a cellulose reactive adduct of polyvinylamide and a composition resulting from the method. The preparation of the cellulose reactive adduct is carried out close to a Critical Concentration defined herein. W... | 01/25/2011 |
| 7335699 | Copolymers containing aminoplast units and use thereof as a dispersing agent or stabilizers A description is given of water-soluble aminoplast ether copolymers of the following structural type: wherein Z is a glycoluril central unit, B is a radical of an essentially water-insoluble polymer and R1 is a radical of a... | 02/26/2008 |
| 7226649 | Laser weldable flexible medical tubings, films and assemblies thereof The present invention provides a tubing assembly having a sidewall having a first layer. The first layer is fabricated from a first polymer blend comprising a first component of a material not thermally responsive to laser beam and selected from the group consisting... | 06/05/2007 |
| 7153904 | Starch/carboxylated polymer composites This invention relates to an inhibited non-solubilized granular starch modified by less than 5% of a carboxylated polymer. In addition, a process is provided wherein a non-solubilized, substantially granular starch is mixed with a carboxylated polymer, dried to form... | 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 |
| 7132479 | Polymer mixtures with improved odor control The present invention relates to polymer mixtures including hydrogel-forming polymers capable of absorbing aqueous fluids and prepared by polymerization of olefinically unsaturated carboxylic acids or derivatives thereof together with copolymers of C2–C... | 11/07/2006 |
| 7030187 | Cellulose copolymers that modify fibers and surfaces and methods of making same Cellulosic polymers, copolymers and grafts, are disclosed that adhere to fibers and surfaces during an aqueous treatment process. The cellulosic polymers having grafts and/or co-blocks are prepared using living-type free radical polymerization techniques, which prov... | 04/18/2006 |
| 7026277 | Fabric care composition The present invention is directed to a process for the preparation of polysaccharide grafted latex particles wherein the polysaccharide has β-1,4 linkages, wherein the process comprises core/shell emulsion polymerisation. Preferably, the process comprises a single ... | 04/11/2006 |
| 6958429 | Water-absorbing polymers with supramolecular hollow molecules, method for producing them and use of the same The invention relates to absorbent polymers based on optionally partially neutralised, monoethylenically unsaturated, acid group-carrying monomers. The surfaces of said polymers are re-cross-linked. The inventive polymers also have cyclodextrines and/or cyclodextrin... | 10/25/2005 |
| 6911572 | Water-absorbing polymers having supramolecular hollow molecules, method for producing them and use of the same The invention relates to absorbent polymers based on optionally partially neutralised, monoethylenically unsaturated, acid group-carrying monomers. The surfaces of said polymers are re-cross-linked. The inventive polymers also have cyclodextrines and/or cyclodextrin... | 06/28/2005 |
| 6906133 | Polyalkyldiallylamine-epihalohydrin resins as wet strength additives for papermaking and process for making the same The present invention relates to a process for making polyalkyldiallylamine-epihalohydrin resins, the resultant resins and their uses as wet strength additives for papermaking. These resins are obtained by a two step process, wherein the first step comprises the fre... | 06/14/2005 |
| 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 |
| 6803410 | Cellulose copolymers that modify fibers and surfaces Cellulosic polymers, copolymers and grafts, are disclosed that adhere to fibers and surfaces during an aqueous treatment process. The cellulosic polymers having grafts and/or co-blocks are prepared using living-type free radical polymerization techniques, which prov... | 10/12/2004 |
| 6730722 | Cross-linkable polymer powder compositions The invention provides cross-linkable polymer powder compositions containing a) at least one water-soluble polyhydroxy compound; b) at least one boric acid complex compound which is of limited solubility in water that is, it has a water solubility of less than 10 g ... | 05/04/2004 |
| 6660804 | Cyclodextrin polymers and/or cyclodextrin derivatives with complexing properties and ion-exchange properties and method for the production thereof The present invention concerns a process for preparing copolymers of cyclodextrin(s) and/or cyclodextrin derivative(s), characterized by the following operations: (a) preparing a solid state mixture of cyclodextrin(s) and/or cyclodextrin derivative(s) and... | 12/09/2003 |
| 6653399 | Water absorbent material A water absorbent material, comprising, as a main component, a water absorbent resin which has a structure in which a anhydropolyamino acid having an ethylenically unsaturated double bond is grafted with polysaccharides, wherein at least a portion of the ... | 11/25/2003 |
| 6620865 | Polycarboxylic acid crosslinked cellulosic fibers Cellulosic fibers intrafiber crosslinked with a polymeric polycarboxylic acid crosslinking agent are disclosed. In one embodiment, the polymeric polycarboxylic acid is polyacrylic acid and, in another embodiment, the polycarboxylic acid is polymaleic acid... | 09/16/2003 |
| 6602950 | Hydrophilic hydrogels with a high swelling capacity and method for producing and using them A hydrophilic, highly swellable hydrogel based on (co)polymerized monomers or based on graft (co)polymers and prepared by a) free-radically (co)polymerizing one-or more hydrophilic monomers or graft (co)polymerizing one or more hydrophilic monomers onto a graf... | 08/05/2003 |
| 6596809 | Cellulose copolymers that modify fibers and surfaces and methods of making same Cellulosic polymers, copolymers and grafts, are disclosed that adhere to fibers and surfaces during an aqueous treatment process. The cellulosic polymers having grafts and/or co-blocks are prepared using living-type free radical polymerization techniques,... | 07/22/2003 |
| 6583219 | Hydrogel-forming system with hydrophobic and hydrophilic components A hydrogel forming system which comprises a hydrophobic macromer with unsaturated group terminated ends and a hydrophilic polymer which is a polysaccharide (e.g., dextran) containing hydroxy groups which are reacted with unsaturated group introducing comp... | 06/24/2003 |
| 6306821 | Functionalized poly(propylene fumarate) and poly(propylene fumarate-co-ethylene glycol) Poly(ethylene glycol) (PEG), a highly biocompatible hydrophilic polyether, is tethered to poly(propylene fumarate) (PPF), a biodegradable polyester. To avoid change in molecular weight distribution of PPF, end hydroxyl groups of PPF are reacted with bis-c... | 10/23/2001 |
| 6150472 | Multi-functional site containing polymers, and applications thereof Polymers having multi-functional sites and a gel comprising a solvent swollen network of cross-linked polymer(s), of which at least one polymer comprises at least one multi-functional site. A multi-functional site is a sequence of more than one functional... | 11/21/2000 |
| 6099759 | 2-adamantyl benzopyrans, the compositions and (co)polymer matrices containing them The present invention has for subjects, novel benzopyran derivatives, substituted in position 2 with an adamantyl group as well as the compositions and (co)polymer matrices containing such derivatives. Said derivatives possess interesting photochromic pro... | 08/08/2000 |
| 6075093 | Laundry detergents containing styrene-anhydride copolymers grafted with polyethylene glycol A laundry detergent composition comprising a surfactant, builder and from about 0.1 to about 25 weight percent, based on the total weight of the laundry detergent composition, of a styrene-anhydride copolymer grafted with polyethylene glycol which is prep... | 06/13/2000 |
| 6020399 | Hybrid polymers for phase change ink jet inks and method of printing therewith Phase change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device in which recording is conducted by thermally melting the ink at a temperature above ambient temperature (20° C.) to provide prints that possess high qu... | 02/01/2000 |
| 5986090 | Metal-mediated cross-coupling with ring-metalated porphyrins Porphyrins substituted with, for example, vinyl and acetylene groups are provided, along with polymers containing the same. In preferred embodiments, the substituted porphyrins are prepared by coupling halogenated porphyrins with anionic groups via metal-... | 11/16/1999 |
| 5936035 | Biocompatible adhesive compositions Collagen-based compositions useful in the attachment of tissues, or the attachment of tissues to synthetic implant materials, are disclosed. The compositions comprise collagen crosslinked using a multifunctionally activated synthetic hydrophilic polymer. ... | 08/10/1999 |
| 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 |
| 5914368 | Vinyl alcohol copolymers and water-soluble films containing them The description relates to vinyl alcohol copolymers which can be produced by the acid-catalysed acetalisation reaction of polyvinyl alcohols with a degree of saponification of 80-99.5 mol % and preferably between 88 and 99.5 mol % with natural substances ... | 06/22/1999 |
| 5907016 | Method of coupling ligands onto supports and products produced therefrom A method is disclosed for coupling a ligand within a porous support. The method involves mixing ligand and porous support under conditions sufficient to suppress coupling conditions of the ligand to the porous support while enhancing the relative rate of ... | 05/25/1999 |
| 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 |
| 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 |
| 5731365 | Hydrophilic, highly swellable hydrogels The present invention relates to hydrophilic, highly swellable hydrogels which are coated with non-reactive, water-insoluble film-forming polymers.... | 03/24/1998 |
| 5705553 | Copolymers containing carboxyl groups in aqueous dispersion form or redispersible powder form and their water-soluble salts, processes for their preparation and their use as thickeners in aqueous formulations Copolymers containing carboxyl groups in aqueous dispersion form or redispersible powder form and their water-soluble salts, based on ethylenically unsaturated and copolymerizable monomers, the macro-molecules of which contain at least 24% by weight of mo... | 01/06/1998 |
| 5656746 | Temporary wet strength polymers from oxidized reaction product of polyhydroxy polymer and 1,2-disubstituted carboxylic alkene A temporary wet strength polymer and compositions for paper products, e.g., toilet tissue, is disclosed. The temporary wet strength polymer is the oxidation product of an esterified polyhydroxy polymer, more preferably of an esterified polysaccharide. The... | 08/12/1997 |
| 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 |
| 5569710 | Polymeric blends Polymer blends of at least one polar polymer are prepared by admixture with a poly(vinyl alcohol) and a (meth)acrylate copolymer also containing vinyl amide and/or unsaturated acid units. The ternary compositions have attractive processing and performance... | 10/29/1996 |
| 5532311 | Process for modifying surfaces A process for modifying a surface of an article that includes treating the surface with (a) a first water-soluble polyalkylene amine, (b) a water-soluble polymeric anionic compound, and (c) a second water-soluble polyalkylene amine in the absence of cross... | 07/02/1996 |
| 5510418 | Glycosaminoglycan-synthetic polymer conjugates Pharmaceutically acceptable, nonimmunogenic compositions are formed by covalently binding glycosaminoglycans or derivatives thereof, to hydrophilic synthetic polymers via specific types of chemical bonds to provide biocompatible conjugates. Useful glycosa... | 04/23/1996 |
