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| Number | Title | Issue Date |
| 7417102 | Pigment dispersant, method of making coating compositions, and coating compositions A coating composition comprises at least one material dispersed in a vinyl or acrylic polymer, wherein the vinyl or acrylic polymer comprises (a) one or more anchor group monomer units (a) having an ionizable or active hydrogen functionality or a functionality that ... | 08/26/2008 |
| 7417101 | Thermo-responsive water-soluble polymers for viscosity switch A thermal responsive, water soluble copolymer is disclosed, which comprises the co-polymerization product of: (a) 0.5˜20 wt % of N-isopropyl acrylamide (NIPAAm); (b) 0.5˜20 wt % of 1-vinyl-2-pyrrolidinone (VPD); (c) 0.01˜10 wt % of acrylic acid (AA); and (d) 80˜... | 08/26/2008 |
| 7405263 | Polymer for water treatment A description is given of (meth)acrylic acid copolymers comprising methacrylic acid units and units based on isopropanol, the polymer being functionalized with aminoalkylsulfonic acid. In addition, a description is given of a process for the preparation thereof and ... | 07/29/2008 |
| 7399811 | Nanohybrid polymers for ophthalmic applications The present invention relates to novel materials particularly useful for ophthalmic applications and methods for making and using the same. More particularly, the present invention relates to relatively soft, optically transparent, foldable, high refractive index ma... | 07/15/2008 |
| 7399810 | Polymerization of monomers with differing reactivities There is provided a process for producing a polymer comprising the steps of (a) adding at least one low-reactivity monomer to a reaction vessel with a decreasing rate of addition, (b) adding at least one high-react... | 07/15/2008 |
| 7375173 | Ecofriendly cationic polyelectrolytes The invention relates to cationic water-soluble polyelectrolytes, especially terpolymers, which are obtained by polymerising monomers of (meth)acrylamide, a quaternised (meth)acrylamide derivative, a (meth)acrylic acid derivative and/or hydrolysis-stable cationic mo... | 05/20/2008 |
| 7342082 | Soluble polymers as amine capture agents and methods Soluble polymers and methods for the preparation thereof, wherein the polymers of the present invention have pendant acylsulfonamide amine-reactive groups that can be used for the capture of amine containing materials. ... | 03/11/2008 |
| 7294743 | Method for synthesis of acrylamide derivatives The present invention relates to a method for synthesis of an acrylamide derivative, starting with dissolving a salt of a nucleophilic amine in water to form an aqueous solution and desalting said solution with a base, comprising the following steps: a)... | 11/13/2007 |
| 7270932 | Imaging composition and method Imaging compositions and methods of using the compositions are disclosed. The imaging compositions are sensitive to low levels of energy such that upon application of the low levels of energy the compositions change color or shade. The compositions may be used in me... | 09/18/2007 |
| 7268199 | Use of alkoxylated polyvinyl amines for the modification of surfaces The present invention relates to the modification of surface properties of particulate, linear, sheet-like, or three-dimensional structures using alkoxylated polyvinylamines. The invention further relates to novel alkoxylated polyvinylamines, and also to a process f... | 09/11/2007 |
| 7250462 | Amphoteric water-soluble polymer dispersion and use thereof The invention relates to an amphoteric water-soluble polymer dispersion containing polymer particles with particle diameters of 100 μm or smaller and produced by dispersion-copolymerization of a monomer mixture comprising a methacrylate monomer containing a quatern... | 07/31/2007 |
| 7247691 | Perfluoroalkyl substituted acrylate monomers and polymers thereof Fluoroalkyl amidoalkyl alcohols of the formula are disclosed and their corresponding (meth)acrylate esters. These fluoroalkyl amidoalkyl (meth)acrylate monomers can be copolymerized with a wide variety of convent... | 07/24/2007 |
| 7238760 | Water-soluble or water-swellable, associatively thickening copolymers containing sulfo groups, method for producing the same and use thereof The invention relates to water-soluble or water-swellable copolymers which contain sulfo groups and which are based on (meth)acrylamide-alkylsulfonic acids and (meth)acrylamide or N-vinyl compounds, and to their use as additives for aqueous construction materials sy... | 07/03/2007 |
| 7183366 | Electroactive fluorene copolymers and devices made with such polymers The present invention is generally directed to copolymers of fluorene. It further relates to devices that are made with the copolymers. ... | 02/27/2007 |
| 7160971 | pH-sensitive methacrylic copolymers and the production thereof The present invention provides novel multi-functional methacrylic copolymers that exhibit cationic pH-sensitive behavior as well as good water solubility under acidic conditions. The copolymers are constructed from tertiary amine methacrylates and poly(ethylene glyc... | 01/09/2007 |
| 7157538 | Covalently-bound, hydrophilic coating compositions for surgical implants Covalently-bound, hydrophilic copolymer coatings for implants are disclosed. The copolymer coatings comprise a hydrophobic aryl acrylic monomer, a hydrophilic monomer selected from the group consisting of hydroxyalkyl (meth)acrylates, n-vinyl pyrrolidone and acrylam... | 01/02/2007 |
| 7078472 | Bicarboxyl monomers, copolymers and preparation process of the same The present invention relates to a bicarboxyl monomer of formula (I), wherein R1 and R2 independently is H, alkali metal, or NH4. A dispersant composition containing copolymer mad... | 07/18/2006 |
| 7060776 | Monomers useful in the preparation of separation matrices The invention relates to an acrylic monomer defined by formula (I): wherein R1, R2 and R3 are H or CH3; R4 | 06/13/2006 |
| 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 |
| 6852815 | Conditioning/styling tetrapolymers What is described herein are conditioning/styling tetrapolymers of vinyl caprolactam (VCL), vinylpyrrolidone (VP), dimethylaminopropyl methacrylamide (DMAPMA) and C8-C24 alkyl quaternized dimethylaminopropyl (meth)acrylamide or methacrylic acid... | 02/08/2005 |
| 6835789 | Cyanoacrylate compositions This invention relates to cyanoacrylate-containing compositions that include, in addition to the cyanoacrylate component, certain accelerators to improve fixture speeds on certain substrates. ... | 12/28/2004 |
| 6825308 | Copolymers and preparation thereof The present invention relates to copolymers for applications in medicine and biotechnology and preparation thereof. Copolymers comprises polyvalent N-Acetyl Glucosamine(NAG) in polyvalent form and bind more efficiently to lysozyme than NAG itself. The copolymers exh... | 11/30/2004 |
| 6822064 | Polymerizable macromers and preparation thereof The present invention relates to a polymerizable macromers for applications in medicine and biotechnology and synthesis thereof. Macromers comprises polyvalent various carbohydrates including N-Acetyl Glucosamine(NAG) which bind more efficiently to lysozyme than NAG... | 11/23/2004 |
| 6691715 | Water soluble polymer composition and method of use Novel water soluble polymers in solution or water-in-oil emulsion form are disclosed containing quaternary ammonium monomers; and optionally (meth)acrylic acid or 2-(meth)acrylamido-2-methylpropane sulfonic acid; methylene bis-acryamide and the like; and ... | 02/17/2004 |
| 6680051 | Functionalized polymers Polymers containing amino acid and/or polypeptide moieties in their backbones or pendant to their backbones are made by metathesis. A method of making an amino acid or polypeptide containing polymer includes the steps of: providing a amino acid, amino alc... | 01/20/2004 |
| 6667374 | Polymer flocculants with improved dewatering characteristics A high molecular weight water soluble acrylamide based polymer having improved flocculating and dewatering properties is provided. The polymer is prepared by a process in which a small quantity of a chain branching agent is added to the polymerization rea... | 12/23/2003 |
| 6649717 | Stabilized composition of O- and N-vinyl compounds and use of ammonium salts as stabilizers The invention encompasses a composition of vinyl compounds, comprising a) at least one polymerizable compound which has at least one O-vinyl group or one N-vinyl group, and b) at least one ammonium salt of the formula (I) ##STR1## where R is NH2 | 11/18/2003 |
| 6646082 | Corrosion inhibiting compositions A new class of polymeric corrosion inhibiting compositions incorporating pendant heterocyclic groups which are surprisingly effective copper corrosion inhibitors are disclosed. The polymers form a protective barrier on metallic components to aqueous syste... | 11/11/2003 |
| 6624272 | HOLLOW CROSSLINKED CATIONIC POLYMER PARTICLES, METHOD OF PRODUCING SAID PARTICLES, AND PAINT COMPOSITION, CATIONIC ELECTRODEPOSITION PAINT COMPOSITION, RESIN COMPOSITION, FILLED PAPER, PAPER COATING COMPOSITION, AND COATED PAPER An object of the present invention is to provide cationic hollow crosslinked polymer particles that maintain a cationic property over a wide pH range, has adequate strength, and is favorable for use in filled paper, pigments for coating paper, additives f... | 09/23/2003 |
| 6613856 | Bifunctional polymers Novel polymers are provided having phosphonated and sulphonated substituent groups such that the polymer is multifunctional in its use. Optional amide substituents are used to reduce electrostatic charge density or for hydrogen bonding. An advantage of th... | 09/02/2003 |
| 6599999 | Hair care compositions containing polymeric N-vinyl acetamide and methods of treating hair The present invention relates to hair care compositions which contain a polymer which is prepared from N-vinyl acetamide (NVAM) monomer and the use of those hair care compositions to treat hair. The polymer may be a homopolymer of NVAM or an interpolymer ... | 07/29/2003 |
| 6585873 | Polymer gels and methods for their preparation A crosslinked hydrophilic gel in which the crosslinker used in a compound of Formula I or Formula II ##STR1## or combination thereof. These crosslinked hydrophilic gels provide enhanced separation in electrophoresis. The use of the crosslinkers of Formula... | 07/01/2003 |
| 6573348 | Curable resin composition A curable resin composition containing (A) an aromatic diallyl compound, (B) an acid derivative or an aliphatic group-containing compound having at least 4 (meth)acryl groups in one molecule, (C) divinylbenzene, and (D) a polythiol compound having at leas... | 06/03/2003 |
| 6566473 | Process for making a vinyl amide polymer composition for skin and hair compositions A non-aqueous, heterogeneous polymerization process comprises heating a reaction mixture of about 5-70%, preferably 10-50%, by weight, of a vinyl amide monomer in an oil as solvent, and a water-soluble cosolvent, and a free radical initiator, optionally i... | 05/20/2003 |
| 6562926 | Method for producing water-soluble polymers, comprising oligoalkylene-imine side chains The invention relates to a method for producing water-soluble homopolymers and copolymers, comprising oligoalkylene-imine side chains of the general formula (I), wherein [AI]m, m, Y and x have the definitions given in claim 1, by radical homopo... | 05/13/2003 |
| 6538089 | Gels with a shape memory A physically cross-linked copolymer comprising hydrophobic monomers, hydrogen bonding monomers, and thermosensitive monomers, said thermosensitive monomers having a distinct phase change at its lower critical solution temperature (LCST) when existing as a... | 03/25/2003 |
| 6538088 | Methods for making polymers from N-vinyl acetamide monomer The present invention is directed to precipitation polymerization processes for the manufacture of essentially non-crosslinked polymers prepared from N-vinyl acetamide monomer which exhibit reduced levels of residual non-polymerizable contaminants, partic... | 03/25/2003 |
| 6528606 | Preparation of a stable composition of radically copolymerisable monomers which contains at least one monomer having urea function(s) Disclosed is a method of preparing a stable composition of radically copolymerizable monomers, said composition containing firstly at least one monomer which has at least one urea function in its formula and secondly at least one monomer which does not ha... | 03/04/2003 |
| 6498222 | Water resistance imparter, ink composition, reactive fluid, and method of ink-jet recording with two fluids Disclosed is a cationic water-soluble resin which comprises a (co)polymer of, in formula (I), repeating units (a) represented by formula (a) and repeating units (b) represented by formula (b), the content of the repeating units (a) in the (co)polymer bein... | 12/24/2002 |
| 6489422 | Thickeners for surfactant-containing compositions Use of neutralized or partially neutralized copolymers obtainable from A) from 50 to 99% by weight of monoethylenically unsaturated carboxylic acid and B) from 1 to 50% by weight of at least one comonomer chosen from the groups a) to d) or also mixtures of dif... | 12/03/2002 |
