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| Number | Title | Issue Date |
| 8008406 | Synthesis and characterization of a novel proton exchange membrane (PEM) for applications in fuel cells A fuel cell membrane is described comprising at least one sulfonated aromatic polyether copolymer comprising a poly-arylen-ether-ketone (PEK) moiety or sulfonated derivatives thereof, deriving from spiro-bis-indane or 4,4′-(hexafluoroisopropylidene)diphenol (BPAF)... | 08/30/2011 |
| 7759428 | Conjugated heteroaryl-containing polymers Provided are polymers having pheneylenevinylene units and heteroarylene vinylene units, and methods for making and using the same. Additionally, there are provided heteroarylenevinylene polymers. The polymers are useful in organic electronic devices. ... | 07/20/2010 |
| 7442213 | Methods of cleaning a situs with a cleaning composition comprising a polymer system The present invention relates to stable polymer systems comprising anionic and modified polyamine polymers. When such polymer systems are employed in cleaning compositions, such cleaning compositions exhibit unexpectedly improved anti-soil re-deposition and situs wh... | 10/28/2008 |
| 7435477 | Particulate water absorbent containing water absorbent resin as a main component A particulate water absorbent contains a water absorbent resin as a main component, the water absorbent resin being a crosslinked polymer of a water-soluble unsaturated monomer. The water absorbent resin is particular in shape and contains particles of a particle si... | 10/14/2008 |
| 7429632 | Method of manufacturing superabsorbent polymers An improved method of manufacturing surface-crosslinked superabsorbent polymer particles is disclosed. The superabsorbent polymer particles are surface crosslinked using about 20 to about 35 wt % of 1,3-propanediol as a cosolvent in a surface-crosslinking step. The ... | 09/30/2008 |
| 7411022 | Reinforced polymer electrolyte membrane A method is provided for making a reinforced polymer electrolyte membrane, such as may be used in electrolytic cells such as fuel cells, by mixing a sulfonate- or sulfonyl halide-functional polymer with a bisamidine compound and subsequently trimerizing the amidine ... | 08/12/2008 |
| 7375172 | Underlayer compositions containing heterocyclic aromatic structures A composition suitable for use as a planarizing underlayer in a multilayer lithographic process is disclosed. The inventive composition comprises a polymer containing heterocyclic aromatic moieties. In another aspect, the composition further comprises an acid genera... | 05/20/2008 |
| 7307138 | Polymer electrolytes and process for their preparation A sulfonated aromatic polyether ketone of the formula (II) [Ar—O—Ar′—CO—Ar′—O—Ar—CO—Ar″—CO—] (II) in which from 1% to 100% of the O-phenylene-CO units are substituted with an SO3M group and sulfonated an... | 12/11/2007 |
| 7259208 | Reinforced polymer electrolyte membrane A method is provided for making a reinforced polymer electrolyte membrane, such as may be used in electrolytic cells such as fuel cells, by mixing a sulfonate- or sulfonyl halide-functional polymer with a bisamidine compound and subsequently trimerizing the amidine ... | 08/21/2007 |
| 7186784 | Phosphorus-containing carboxylic acid derivatives process for preparations thereof and flame retardant There are disclosed a phosphorus-containing carboxylic acid derivative which has a group containing phosphorus atom and has in its molecule, a group represented by the following formula (1): wherein R1... | 03/06/2007 |
| 7169846 | Process for improving water-whitening resistance of pressure sensitive adhesives Pressure sensitive adhesive compositions having enhanced resistance to water-whitening comprising an aqueous emulsion polymer are disclosed. The polymer comprises the polymerization reaction product of a polymerizable aqueous emulsion comprising: (i) at least one hy... | 01/30/2007 |
| 7163985 | Polymer systems and cleaning compositions comprising the same The present invention relates to stable polymer systems comprising anionic and modified polyamine polymers. When such polymer systems are employed in cleaning compositions, such cleaning compositions exhibit unexpectedly improved anti-soil re-deposition and situs wh... | 01/16/2007 |
| 7160970 | Process for manufacturing polymers The present invention is directed to methods for preparing multi-functional emulsion polymers. ... | 01/09/2007 |
| 7112368 | Poly(dioxythiophene)/poly(acrylamidoalkyslufonic acid) complexes The present invention is directed to poly(dioxythiophene)/poly(acrylamidoalkylsulfonic acid) complexes and the oxidative polymerization process for making them. Aqueous dispersions of these poly(dioxythiophene)/poly(acrylamidoalkylsulfonic acid) complexes are useful... | 09/26/2006 |
| 7081503 | Process producing vinyl polymer having alkenyl group at end, vinyl polymer, and curable composition Objects of the present invention are to provide a process for easily producing an alkenyl-terminated vinyl polymer without using a metal compound requiring a complicated purification step, and to provide a curable composition containing the vinyl polymer. An alkenyl... | 07/25/2006 |
| 7067612 | Preformed compositions in shaped form Preformed compositions comprising sulfur-containing polymers in shaped form and the use of preformed compositions in shaped form to seal apertures. In certain embodiments, the preformed compositions comprise a sulfur-containing polymer and a blend of fillers wherein... | 06/27/2006 |
| 7037997 | Vinyl monomer, support matrix and its preparation A vinyl monomer of the structure R—B—Ar(—CH═CH2)n (1) in which Ar is an aromatic ring (arylene group); n is an integer >0, in particular one or two; B is a bridge structure; R is a (C2-30)-hydrocarbon group carrying two or mo... | 05/02/2006 |
| 7037993 | Norbornene-based ring-opening polymerization polymer, product of hydrogenation of norbornene-based ring-opening polymerization polymer, and processes for producing these A norbornene ring-opened polymer which in the molecule has repeating units represented by the formula (1): wherein R1 represents Q, R2 represents Q or C(═O)R5, R3 represents... | 05/02/2006 |
| 7033646 | High resistance polyaniline blend for use in high efficiency pixellated polymer electroluminescent devices Compositions are provided comprising polyaniline (PANI) with poly(2-acrylamido-2-methyl-1-propanesulfonic acid) (PAAMPSA) as the counterion (PANI/PAAMPSA) and an amount of poly(styrenesulfonic acid) (PSS) sufficient to reduce the conductivity of the composition rela... | 04/25/2006 |
| 7009006 | Crosslinkable composition A crosslinkable composition is provided including copolymer particles having phosphorus acid groups dispersed in an aqueous medium, and polycarbodiimide, wherein the crosslinkable composition is substantially free of water soluble phosphorus acid compounds. Also pro... | 03/07/2006 |
| 7009031 | Composition for optical material The composition for optical materials of the present invention contains at least one compound represented by the following Formula 1: wherein R1, R2 and R3 are each independently C1... | 03/07/2006 |
| 6982303 | Covalently cross-linked polymers and polymer membranes via sulfinate alkylation A covalently cross-linked polymer or polymer membrane consisting of one or more polymers, which can bear the following functional groups (M=Hal(F, Cl, Br, I), OR, NR2; R=alkyl, hydroxyalkyl, aryl; (Me=H, Li, Na, K, Cs, or other metal cations or ammonium ions): a) pr... | 01/03/2006 |
| 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 |
| 6949325 | Negative resist composition with fluorosulfonamide-containing polymer A negative resist composition is disclosed, wherein the resist composition includes a polymer having at least one fluorosulfonamide monomer unit having one of the following two formulae: wherein: M is a polymerizable b... | 09/27/2005 |
| 6858703 | Compound, compositions and use A polymeric material comprises at least one repeat unit consisting substantially of a moiety of Formula 1: in which Y1 represents N, P, S, As and/or Se. Ar1 and Ar2, which may the same ... | 02/22/2005 |
| 6828353 | Ion-exchange polymers Ion-Exchange polymers for a polymer electrolyte membrane include a moiety of formula (I), and/or a moiety of formula (II), and/or a moiety of formula (III) wherein at least some of the units I, II and/or III are sulphonated. The phenyl moieties in units I, II, and I... | 12/07/2004 |
| 6825269 | Method of producing derivatized polymers Process for the preparation of a derivative of a polymer having at least one functional group, characterized in that the process comprises the following step (i): (i) reaction of the polymer having at least one functional group, wi... | 11/30/2004 |
| 6818706 | Polymer mixture A polymer mixture of a thermoplastically processable fluoropolymer and a sulfur polymer, wherein the sulfur polymer component in the polymer mixture is 0.1 to 20% by weight. ... | 11/16/2004 |
| 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 |
| 6713564 | Star block copolymer A novel star block copolymer which can be made to have a high molecular weight and gives a solution having a lower viscosity than solutions of linear polymers having the same molecular weight as the copolymer and which is expected to be used as a resist material; an... | 03/30/2004 |
| 6683143 | Ion-sensitive, water-dispersible polymers, a method of making same and items using same The present invention is directed to ion-sensitive, water-dispersible polymers. The present invention is also directed to a method of making ion-sensitive, water-dispersible polymers and their applicability as binder compositions. The present invention is... | 01/27/2004 |
| 6670426 | Olefinic thermoplastic elastomer, process for production thereof, olefinic thermoplastic elastomer compositions, process for producing the same, and moldings thereof An olefin thermoplastic elastomer containing an olefin random copolymer formed by copolymerizing ethylene, an -olefin having 3 to 10 carbon atoms and an unsaturated monomer having a functional group, and optionally a non-conjugated diene, and metal... | 12/30/2003 |
| 6646104 | Process for production of sulfur compounds A method of preparing a sulfur-containing compound having at least one thio group in the molecules by reacting a thiol compound with an organic compound having at least one functional group capable of forming a thio group in the molecules upon reacting wi... | 11/11/2003 |
| 6630566 | Polymeric material comprising N, P, S, As, or Se and composition for charge transport material A polymeric material comprises at least one repeat unit consisting substantially of a moiety of Formula 1: ##STR1## in which Y1 represents N, P, S, As and/or Se, Ar1 and Ar2, which may the same or different, represent inde... | 10/07/2003 |
| 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 |
| 6593445 | Low color poly(biphenyl ether sulfone) and improved process for the preparation thereof Improved carbonate method for producing poly(biphenyl ether sulfones) having a low color, the improvement being the use of small particle size anhydrous potassium carbonate. The resulting poly(biphenyl ether sulfones) are significantly improved in color.... | 07/15/2003 |
| 6538072 | Methods for making multivalent arrays A method of preparing a multivalent array that includes: polymerizing at least one monomer comprising at least one polymerizable group and at least one latent reactive group in the presence of a metal carbene catalyst to form a polymer template comprising... | 03/25/2003 |
| 6509418 | Sealants and potting formulations including mercapto-terminated polymers produced by the reaction of a polythiol and polyvinyl ether monomer Sealant and potting formulations are provided which are prepared from components including ungelled mercapto-terminated polymer(s) prepared by reacting reactants comprising polyvinyl ether monomer(s) and polythiol material(s); curing agent(s) reactive wit... | 01/21/2003 |
| 6475632 | Dispersions for producing paint for concrete roof tiles, paint for concrete roof tiles and concrete roof tiles coated with such paint The present invention provides copolymer-based compositions which are used to produce point for roof tiles, in order to prevent algal vegetation, crack formation, increased water absorption, as well as chipping off of the paint, more particularly on concr... | 11/05/2002 |
| 6469091 | Polyarylene sulfide resin composition Provided is a polyarylene sulfide resin composition comprising (A) from 20 to 34% by weight of a polyarylene sulfide having a melt viscosity of from 150 to 800 poises, (B) from 66 to 80% by weight of spherical silica having a mean particle size of from 0.... | 10/22/2002 |
