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| Number | Title | Issue Date |
| 7399821 | Alkylated poly(allylamine) polymers and methods of use The invention relates to a method for removing bile salts from a patient in need thereof and compositions useful in the method. The method comprises administering to the patient a therapeutically effective amount of a salt of an alkylated and crosslinked polymer. Th... | 07/15/2008 |
| 7138462 | Functionalized polymers for binding to solutes in aqueous solutions A functionalized polymer for binding a dissolved molecule in an aqueous solution is presented. The polymer has a backbone polymer to which one or more functional groups are covalently linked. The backbone polymer can be such polymers as polyethylenimine, polyvinylam... | 11/21/2006 |
| 7101945 | Phosphorus-containing polymers for optical signal transducers The invention relates to a phosphorus-containing polymer for coating dielectric materials, to processes for its preparation and to its use, as well as to an optical signal transducer having a coating of the polymer and to its use. ... | 09/05/2006 |
| 7094853 | Crosslinked polymer, method for manufacturing it and use thereof It is an object of the present invention to provide a basic crosslinked polymer having excellent ion exchange and catalyst properties with high resistance to thermal degradation which is, therefore, useful for a broad range of application, a method for producing sai... | 08/22/2006 |
| 6962959 | Composite electrolyte with crosslinking agents A covalent crosslinking of ion-conducting materials via sulfonic acid groups can be applied to various low cost electrolyte membrane base materials for improved fuel cell performance metrics relative to such base material. This proposed approach is due, in part, to ... | 11/08/2005 |
| 6951905 | Bisoxazolone based polymers A method of preparing an elastomeric polymer comprising the step of reacting a bisoxazolone with a primary or secondary di-amine terminated oligomer. Also disclosed is a polymer having the formula comprising the repeat unit (I), where R1, R2, R... | 10/04/2005 |
| 6894110 | Preparation of water soluble polymer dispersions from vinylamide monomers The present invention relates to a novel process for the production of a water soluble polymer dispersion from vinylamide monomers, and, more particularly, polymers formed from N-vinylformamide monomers. ... | 05/17/2005 |
| 6803348 | Hydrophobically modified polymers for water control The use of a hydrophobically modified water soluble polymer is described capable of being chemically cross-linked so as to produce a stable gel for blocking a water-bearing formation from a hydrocarbon-producing well. The polymer is essentially linear having hydroph... | 10/12/2004 |
| 6784254 | Process for removing bile salts from a patient and alkylated compositions therefor The invention relates to a method for removing bile salts from a patient in need thereof and compositions useful in the method. The method comprises administering to the patient a therapeutically effective amount of a salt of an alkylated and crosslinked polymer. Th... | 08/31/2004 |
| 6608137 | Microdispersions of hydroxamated polymers Stable, gel-free, water-in-oil microdispersions comprising a continuous phase of an oil and an emulsifier and a discontinuous phase of an aqueous solution of a hydroxamated vinyl polymer are disclosed. Also disclosed is a method for the production of the ... | 08/19/2003 |
| 6583248 | Polymerizable cyclodextrin derivatives The polymerizable cyclodextrin derivatives ("PCDs") of this invention relate to cyclodextrin derivatives wherein substantially each molecule of which contains one or more covalently attached polymerizable group or groups, may also contain one or more othe... | 06/24/2003 |
| 6541573 | Method for eliminating formamide from polymerizates containing n-vinyl formamide units A process for the elimination of formamide from polymers containing N-vinylformamide units involves treating formamide-containing polymers with from 1 to 2 mol-equivalents of an acid or a base, based on 1 mol-equivalent of formamide, under reaction condit... | 04/01/2003 |
| 6465579 | Silica-polymer composite, method of production thereof, and rubber composition using the same A silica-polymer composite, featuring a low viscosity and excellent processability when being kneaded with a rubber and superior in dispersibility and tensile strength, comprising a polymer having a polar group containing a hetero atom and a benzene ring ... | 10/15/2002 |
| 6458348 | Use of water-soluble polymers as biocides The use of polymers comprising as essential structural elements units of the formula I and/or II ##STR1## in which R1 is H, alkyl, cycloalkyl, aryl or aralkyl, R2 and R3 independently of one another are defined as for R1 | 10/01/2002 |
| 6433026 | Process for removing bile salts from a patient and alkylated compositions therefor The invention relates to a method for removing bile salts from a patient in need thereof and compositions useful in the method. The method comprises administering to the patient a therapeutically effective amount of a salt of an alkylated and crosslinked ... | 08/13/2002 |
| 6423786 | Alkylhydrazine functionalized resin Disclosed are polymers comprising alkylhydrazine-functionalized styrene units of Formula 1 ##STR1## wherein ##STR2## m is an integer from 1 to 3; n is an integer from 0 to 50; p is an integer from 1 to 25; and R1 is C1 -C3... | 07/23/2002 |
| 6388021 | Acrylic metal surface treatment composition with hydroxy and amino/ammonium functionality A metal surface treatment composition is provided which improves corrosion resistance and film adhesion, and confers slip properties. This composition is an acrylic resin-containing metal surface treatment composition which is water-soluble, water-dispers... | 05/14/2002 |
| 6369165 | Method for the production of polymers from n-vinyl compounds A process for preparing polymers of N-vinyl compounds comprises polymerizing the vinyl compounds in the presence of free radicals of the formula I ##STR1## where Q is NR2 or S and T is CR3 R4 or S and R1, R... | 04/09/2002 |
| 6365676 | Poly-perfluoroalkyl substituted polyamines as grease proofing agents for paper and foam stabilizers in aqueous fire-fighting foams The invention concerns a process for the reaction of a perfluoroalkyl iodide of the formula CF3 (CF2)h --I, where h is an integer from 4 to 18, with a compound having a terminal olefinic group, which comprises conducting s... | 04/02/2002 |
| 6225355 | Process for removing bile salts from a patient and alkylated compositions therefor The invention relates to a method for removing bile salts from a patient in need thereof and compositions use full in the method. The method comprises administering to the patient a therapeutically effective amount of a salt of an alkylated and crosslinke... | 05/01/2001 |
| 6066678 | Process for removing bile salts from a patient and alkylated compositions therefor The invention relates to a method for removing bile salts from a patient in need thereof and compositions useful in the method. The method comprises administering to the patient a therapeutically effective amount of an alkylated and crosslinked polymer. T... | 05/23/2000 |
| 6028132 | Antistatic agents, coatings and adhesives Antistatic agents, adhesives and coatings with high antistatic properties under low humidity and temperature, which contain a quaternary ammonium salt of formula I: ##STR1## wherein each of R1, R2 and R3 is an alkyl r... | 02/22/2000 |
| 6020418 | Microdispersions of hydroxamated polymers Stable, gel-free, water-in-oil microdispersions comprising a continuous phase of an oil and an emulsifier and a discontinuous phase of an aqueous solution of a hydroxamated vinyl polymer are disclosed. Also disclosed is a method for the production of the ... | 02/01/2000 |
| 5936042 | Process for producing an aqueous dispersion of a water-soluble cationic polymer A process for producing an aqueous dispersion of a water-soluble cationic polymer which process comprises modifying a polymer obtained by homopolymerization of an N-vinylcarboxylic acid amide or copolymerization of an N-vinylcarboxylic acid amide and a vi... | 08/10/1999 |
| 5891956 | Water-soluble polymers and compositions thereof Water-soluble polymers including functionalization from the group of amino groups, carboxylic acid groups, phosphonic acid groups, phosphonic ester groups, acylpyrazolone groups, hydroxamic acid groups, aza crown ether groups, oxy crown ethers groups, gua... | 04/06/1999 |
| 5876623 | Biodegradable aspartic acid polymers for preventing scale formation in boilers A biodegradable anti-scalant for steam generators, boilers and other heat transfer equipment is provided. Anti-scalants prepared in accordance with the present invention include aspartic acid, poly(aspartic acid) and copolymers of aspartic acid and functi... | 03/02/1999 |
| 5801221 | Polymeric phase transition artificial receptors, antibodies, and enzymes Multiple-phase transition copolymers are formed which can selectively bind and release a chemical, or which can selectively catalyze a specific chemical reaction.... | 09/01/1998 |
| 5789488 | Preparation of water soluble graft copolymers Disclosed are methods for reducing turbidity of aqueous systems and clarifying wastewater systems utilizing a graft copolymer having the structure: ##STR1## whereby the cationic monomer (F) is represented by ##STR2## wherein R is hydrogen o... | 08/04/1998 |
| 5753770 | Preparation of hydrogen peroxide, C1 to C4-monopercarboxylic acid and C4- to C18-dipercarboxylic acid complexes in a fluidized-bed process A fluidized-bed process for preparing hydrogen peroxide, C1 -C4 -monopercarboxylic acids and C4 -C18 -dipercarboxylic acid complexes in which a solution of hydrogen peroxide, a C1 -C4 -mono... | 05/19/1998 |
| 5712363 | Oligomeric sterically hindered polyamine crosslinkers and coating compositions containing the same The present invention relates to coating compositions including a particular class of oligomeric sterically hindered polyamines as replacements for traditional blocked and unblocked polyamine crosslinkers. The use of these oligomeric sterically hindered p... | 01/27/1998 |
| 5710200 | Natural rubber treated with viscosity stabilizers and production thereof Natural rubber containing viscosity stabilizers is treated under drying conditions to result in 10% or less of the difference of gel content and 85% or more of molecular weight retention between before and after drying, and methods for manufacturing natur... | 01/20/1998 |
| 5698305 | Newsprint paper A newsprint paper coated with a surface treating agent including a polyacrylamide-based compound and a vinyl acetate/maleic acid half ester copolymer in an coating amount of 0.01 to 0.2 g/m2. By coating the surface treating agent which is capab... | 12/16/1997 |
| 5696193 | Immunoassay elements comprising polymers containing vandium IV (V+4) ions A dry immunoassay analytical element, for assaying a ligand, comprising in the following order: (a) a layer containing a labeled ligand; (b) a spreading layer; (c) a receptor layer containing a fixed concentration of an immobilized receptor for the labeled lig... | 12/09/1997 |
| 5631326 | Crosslinked nitrogen-containing vinyl copolymers processes for their preparation and the use of these compounds Crosslinked, nitrogen-containing vinyl copolymers having units of the formula I ##STR1## and physiologically tolerated salts thereof, in which, in formula I, A1, A2, R, w, x, y and z have the meanings given, a process for their preparation and t... | 05/20/1997 |
| 5605974 | Process for the preparation of a modified copolymer as a pigment dispersant for aqueous coating compositions The present invention is directed to a process for the preparation of modified copolymers as a pigment dispersant for coating compositions comprising the steps of a) polymerizing i) an ethylenically unsaturated monomer containing an isocyanate group with ii) e... | 02/25/1997 |
| 5525652 | Denture adhesive A novel denture adhesive composition contains an adhesive mixture comprising sodium carboxymethyl cellulose and, either a partially neutralized sodium, magnesium, zinc mixed salt or a partially neutralized magnesium, zinc mixed salt of an alkyl vinyl ethe... | 06/11/1996 |
| 5484865 | Copolymers of ampholytic ion pairs containing vinylic tertiary amine A composition of a superabsorbent polymer and a process for using the polymer to absorb an aqueous electrlyte solution are disclosed. The composition comprises repeating units derived from: (a) an ampholytic ion pair prepared from a polymerizable vinylic ... | 01/16/1996 |
| 5430110 | Polyvinylamine derivatives having hydrophilic centers, processes for their preparation and the use of the compounds as a medicament, active compound carrier and foodstuff auxiliary Polyvinylamine derivatives having hydrophilic centers, processes for their preparation and the use of the compounds as a medicament, active compound carrier and foodstuff auxiliary. Polyvinylamine derivatives containing hydrophilic centers, of the formula I ... | 07/04/1995 |
| 5428112 | Crosslinked, nitrogen-containing vinyl copolymers, processes for their preparation and the use of these compounds Crosslinked, nitrogen-containing vinyl copolymers having units of the formula I ##STR1## and physiologically tolerated salts thereof, in which, in formula I, A1, A2, R, w, x, y and z have the meanings given, a process for their preparation and t... | 06/27/1995 |
| 5426009 | Polymeric composite material The invention relates to a polymeric composite material which: is based on a liquid crystal polymer component, exhibits a high glass transition temperature of at least 60° C. and a scattering texture when deposited as a thin film, can be rendered transparent by be... | 06/20/1995 |
