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| Number | Title | Issue Date |
| 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 |
| 7388050 | Proton conductor and method for producing the same A hyperbranch polymer is bonded to a pore surface existing on a SiO2 glass porous body, such that the hyperbranch polymer is bonded to the pore surface only at the base end moiety. The hyperbranch polymer has a first generation branched moiety branched fr... | 06/17/2008 |
| 7358311 | Crosslinking of unsaturated polymers by the use of hydroxylamine-esters The instant invention relates to a process for crosslinking unsaturated polymer resins as e.g. unsaturated polyesters using hydroxyamine esters as radical source. Further aspects of the invention are a composition comprising unsaturated polymer resins as e.g. unsatu... | 04/15/2008 |
| 7300985 | Fluoropolymers having pendant amidoxime or amidrazone structures A fluoropolymer having pendant amidoxime groups, pendant amidrazone groups, or combinations thereof is provided. Also provided are methods of making such fluoropolymers, and compositions and articles containing such fluoropolymers. ... | 11/27/2007 |
| 7291681 | Polyisobutenamines Polyisobutenamines of the formula I: R—X (I) where R is a polyisobutenyl radical having a number average molecular weight Mn of from 500 to 1500 and a polydispersity Mw/ Mn of less than... | 11/06/2007 |
| 7183355 | Waterborne thermosetting compositions containing alternating copolymers of isobutylene type monomers A curable, aqueous film-forming composition is provided, comprising: (a) a copolymer containing reactive functional groups and comprising at least 30 mol % of residues having alternating structural units: -[DM-AM]- | 02/27/2007 |
| 7160957 | Process for reducing monomer content in N-vinyl compound polymers A method for residual monomer diminution by which a residual monomer is speedily removed from an N-vinyl compound polymer or the like without posing a problem such as an increase in ash content; and a process for producing an N-vinyl compound polymer solution or pow... | 01/09/2007 |
| 7148292 | Method for hydrogenation of polymers in dispersed medium The invention concerns a method for hydrogenation of unsaturated polymers in dispersed medium based on an oxidation-reduction system containing hydrazine, an oxidant such as a peroxide and optionally a carboxylic acid. The hydrogenation rate can reach 100% in certai... | 12/12/2006 |
| 7132476 | Thermosetting compositions containing alternating copolymers of isobutylene type monomers A thermosetting composition that includes an ungelled copolymer composition and a crosslinking agent. The ungelled copolymer composition includes a functional group-containing copolymer that includes segments of alternating residues derived from a donor monomer comp... | 11/07/2006 |
| 7132477 | Powder coating compositions A thermosetting composition that includes a co-reactable solid, particulate mixture of a film forming material having functional groups, a crosslinking agent having at least two functional groups that are reactive with the functional groups in the film forming mater... | 11/07/2006 |
| 7125931 | Thermosetting compositions containing alternating copolymers of isobutylene type monomers A thermosetting composition that includes an ungelled copolymer composition and a crosslinking agent. The ungelled copolymer composition includes a functional group-containing copolymer that includes segments of alternating residues derived from a donor monomer comp... | 10/24/2006 |
| 7122600 | Powder coating compositions having improved mar and acid resistance A thermosetting composition that includes a co-reactable solid, particulate mixture of a film forming material having functional groups and a crosslinking agent having at least two functional groups that are reactive with the functional groups in the film forming ma... | 10/17/2006 |
| 7122605 | Method for selective graft polymerization The invention relates to a method of making an acrylic graft polymer, especially a urethanized acrylic graft polymer. The method of the invention requires an ethylenically unsaturated monomer mixture (a) comprising a monomer (ai) of a particular structure having at ... | 10/17/2006 |
| 7115179 | Post-weld necking of welded plastic joints The invention relates to a method of increasing flexibility of joints between areas of plastic materials, and in particular the joint between a catheter shaft and a balloon neck involving welding the overlapping portions to create a joint region and applying a tensi... | 10/03/2006 |
| 7098272 | Method for producing hydroxyl group-containing polymer particles The present invention provides a method for producing hydroxyl group-containing polymer particles including causing cross-linked polymer particles containing a (meth)acrylate polymer to react in the presence of a metal-containing ester-exchange reaction catalyst wit... | 08/29/2006 |
| 7060752 | Synthesis and use of nitrophenol resins Nitrophenol resins based upon various support materials. The nitrophenol resins are prepared by amide bond formation between a hydroxyl nitro benzoic acid and an aminoalkyl polymer support. ... | 06/13/2006 |
| 7012118 | Photopolymerizable compositions and flexographic plates prepared from controlled distribution block copolymers The present invention relates to a photopolymerizable composition, which comprises: (a) a block copolymer component comprising an unhydrogenated styrene diene block copolymer and a hydrogenated controlled distribution styrene diene... | 03/14/2006 |
| 6992137 | Alternating copolymers of isobutylene type monomers A copolymer composition that includes a copolymer comprised of at least 30 mol % of residues having the following alternating residues from a donor monomer and from an acceptor monomer. The copolymer contains at least 15 mol % of an isobutylene type donor monomer an... | 01/31/2006 |
| 6881761 | Porous polymer particle, anion exchanger, producing method thereof, column for ion chromatography, and method for measuring anions Disclosed are (1) a porous polymer particle comprising a polymer substrate having ester bonds connected to a group containing a quaternary ammonium structure through a spacer molecule, (2) an alkali-resistant, high-strength porous polymer particle having ester bonds... | 04/19/2005 |
| 6803107 | Surface-treated superabsorbent polymer particles Surface-treated superabsorbent polymer particles obtained by mixing 100 parts by weight of superabsorbent polymer particles with 0.001 to 10 parts by weight of a hydroxyalkylamide, and heating the surface-treated superabsorbent polymer particles to crosslink molecul... | 10/12/2004 |
| 6784248 | Thermosetting compositions containing alternating copolymers of isobutylene type monomers A thermosetting composition that includes an ungelled copolymer composition and a crosslinking agent. The ungelled copolymer composition includes a functional group-containing copolymer that includes segments of alternating residues derived from a donor monomer comp... | 08/31/2004 |
| 6774193 | Stabilized unsaturated polymer resin compositions and methods of using the same Stabilized pre-promoted unsaturated polymer resin systems that include a tertiary aromatic amine cure promoter. The stabilized curable resins systems can include a vinyl ester resin. ... | 08/10/2004 |
| 6713580 | Quaternary amino acids on solid supports The present invention relates to novel templates useful for generating novel compounds and to compounds produced utilizing the templates. The templates comprise quaternary amino acids that may be linked to solid supports. These templates make possible the production... | 03/30/2004 |
| 6599989 | Water-absorbent agents containing polycarboxylic amine chelating agents Water-absorbing agents containing polycarboxylic amine chelating agents. The water-absorbing agents are obtained by a process including the step of adding to a water-absorbent resin at least one chelating agent selected from the group consisting of polyca... | 07/29/2003 |
| 6599987 | Water soluble, curable copolymers, methods of preparation and uses thereof The present invention provides cured, compositions of matter that are non-swellable in water after curing. In general, the compositions comprise a water soluble copolymers comprising vinylpyrrolidone and glycidyl acrylate and a water soluble secondary aro... | 07/29/2003 |
| 6541572 | Method of making high refractive index ophthalmic device materials Disclosed is a two-step method of making soft, high refractive index, acrylic ophthalmic device materials. In the first step, a copolymer containing pendant oxirane groups is formed by copolymerizing one or more aryl acrylic hydrophobic monomers with one ... | 04/01/2003 |
| 6335398 | Super absorbent polymer composition A super absorbent polymer composition comprising a chelating compound (A) which has a site capable of forming a chelate with a copper ion and whose copper salt has a solubility in physiological saline at 25° C. of 0.01% by weight or less and a super abso... | 01/01/2002 |
| 6316507 | High molecular flocculant, method for producing the floucculant and water-treatment method employing the flocculant A high-molecular flocculant rendered water-soluble by conversion of cyano groups contained in a high-molecular material, a method for producing the flocculant, and a method for efficiently processing water using the flocculant. A high-molecular material c... | 11/13/2001 |
| 6303703 | Method for making monoamines The present invention provides a new and improved method of producing halogen-free oligomeric olefin monoamines which avoids the use of costly high-pressure and high-temperature equipment. In one embodiment the method comprises epoxidizing a specific clas... | 10/16/2001 |
| 6300411 | Aqueous resin composition The present invention discloses an aqueous resin composition containing (A) a copolymer of (a) a monomer having one or more aldehyde groups or ketone groups, and a radical polymerizable unsaturated bond, in a molecule, with (b) a monomer having a radical ... | 10/09/2001 |
| 6281296 | Curable perfluoroelastomer composition Perfluoroelastomer compositions comprising perfluoroelastomers having copolymerized units of tetrafluoroethylene, a perfluoro(vinyl ether), and a nitrile-containing cure site monomer are cured with compounds that are capable of generating ammonia at tempe... | 08/28/2001 |
| 6262183 | Hydroxamic acid polymers formed from primary amide polymers Hydroxamic acid polymers which are comprised of hydroxamic groups and carboxylic acid groups wherein the carboxylic acid groups constitute less than about 3% of the functional groups. The polymers hereof are also especially useful in biomedical applications ... | 07/17/2001 |
| 6228950 | Polymer dispersants and methods of use in a nuclear steam generator A novel high-purity polymer dispersant and sludge conditioner added to the feedwater entering the secondary side of a nuclear steam generator for minimizing the accumulation of metal-oxide deposits within the nuclear steam generator during the continuing ... | 05/08/2001 |
| 6221970 | Curable perfluoroelastomer composition Curable perfluoroelastomer compositions are disclosed that comprise ammonia and uncured perfluorinated elastomers having copolymerized units of nitrile-containing cure site monomers. Such compositions are curable at low temperatures. In addition, curable ... | 04/24/2001 |
| 6180724 | Process for manufacturing an absorbing agent and absorbent material An absorbing agent has a diffusing absorbency under pressure of not less than 25 g/g when 60 minutes elapsed after absorption is started, and a water-soluble content is above 0 percent by weight and not more than 7 percent by weight. The absorbing agent i... | 01/30/2001 |
| 6114452 | Perfluoroelastomer composition having excellent heat stability Perfluoroelastomer compositions are provided which have excellent high temperature properties. The perfluoroelastomer component of the compositions are copolymers having a plurality of carbonyl-containing functional groups and copolymerized monomer units ... | 09/05/2000 |
| 6114470 | Methods of curing unsaturated polymers using tertiary aromatic amine cure promoters Methods of promoting the cure of unsaturated polymer resins with a peroxide initiator by including as a promotor N-alkyl-N-(2-hydroxyalkyl)-p-toluidines. The use of the tertiary aromatic amines as a promotor provides a fast cure at a wide range of tempera... | 09/05/2000 |
| 6111027 | Adhesives comprising copolymers of macromonomers and unsaturated acids or anhydrides This invention relates to an adhesive composition comprising a copolymer comprising units derived from one or more macromonomers and an unsaturated acid or an unsaturated anhydride wherein the weight average molecular weight of the copolymer is at least t... | 08/29/2000 |
| 6100224 | Copolymers of ethylene -olefin macromers and dicarboxylic monomers and derivatives thereof, useful as additives in lubricating oils and in fuels A copolymer comprising units of an unsaturated dicarboxylic monomer and an ethylene -olefin macromer is disclosed. The macromer is an unsaturated ethylene -olefin polymer comprising units of from ethylene and at least one -olefin repr... | 08/08/2000 |
| 6077903 | Continuous process for producing rubbery polymer There is a need for polymers which are utilized in automotive interiors which offer increased heat and ultraviolet light resistance. It is particularly critical for polymers which are utilized in making skin compounds for automotive instrument and door pa... | 06/20/2000 |
