Class / Patent application number | Description | Number of patent applications / Date published |
525329100 | Polymer derived from acrylonitrile or methacrylonitrile monomer | 28 |
20080214741 | Process for the Preparation of Low Molecular Weight Hydrogenated Nitrile Rubber - The present invention relates to a process for the production of hydrogenated nitrile rubber polymers having lower molecular weights and narrower molecular weight distributions than those known in the art in the characterized that the process is carried out in the presence of hydrogen and optionally at least one co-(olefin). | 09-04-2008 |
20120059128 | SULFURIZED POLYACRYLONITRILE AND LITHIUM-ION BATTERY CATHODE ACTIVE MATERIAL USING THE SAME - The present disclosure relates to a sulfurized polyacrylonitrile and a lithium-ion battery cathode active material. The sulfurized polyacrylonitrile includes a structural unit. A general molecular formula of the structural unit is C | 03-08-2012 |
20120329952 | RUTHENIUM BASED CATALYSTS FOR THE METATHESIS OF NITRILE RUBBERS - The present invention relates to a process for the metathesis of nitrile rubbers in the presence of a specific catalyst for the metathetic degradation of nitrile rubber. The present invention further relates to specific novel metathesis catalysts and to the use thereof for the metathesis of nitrile rubbers. | 12-27-2012 |
20140058046 | METHOD FOR PRODUCING RESIN COMPOSITE MATERIAL, AND RESIN COMPOSITE MATERIAL - Disclosed herein are: a method for producing a resin composite material in which a carbon material having a graphene structure is dispersed in a synthetic resin and which has high mechanical strength; and a resin composite material obtained by the method. More specifically, disclosed herein are: a method for producing a resin composite material in which a carbon material having a graphene structure is uniformly dispersed in a synthetic resin selected from the group consisting of a crystalline resin and an amorphous resin, the method comprising, when the synthetic resin is a crystalline resin, shear-kneading the crystalline resin and the carbon material with a shear-kneading device at a temperature lower than a melting point of the crystalline resin and, when the synthetic resin is an amorphous resin, shear-kneading the amorphous resin and the carbon material with a shear-kneading device at a temperature close to a Tg of the crystalline resin; and a resin composite material obtained by the production method. | 02-27-2014 |
525329200 | Interpolymers | 24 |
20120252981 | 68Ga Generator - The present invention relates to a | 10-04-2012 |
525329300 | Contains monomer having two or more ethylenic groups | 23 |
20100240838 | LOW MOLECULAR WEIGHT HYDROGENATED NITRILE RUBBER - The present invention relates to hydrogenated nitrile rubber polymers having lower molecular weights and narrower molecular weight distributions than those known in the art. | 09-23-2010 |
20110077360 | PROCESS FOR REACTING CHEMICAL COMPOUNDS IN THE PRESENCE OF CATALYST SYSTEMS - New catalyst systems for metathesis reactions, in particular for the metathesis of nitrile rubber, are provided. | 03-31-2011 |
20110152466 | AMIDE-EXTENDED CROSSLINKING COMPOUNDS AND METHODS FOR USE THEREOF - The invention is based on the discovery that a remarkable improvement in the performance of maleimide thermosets can be achieved by incorporating amide-extended maleimides into an adhesive formulation. Amide-extended maleimides described herein can be used to toughen bismaleimide thermosetting materials without sacrificing any thermal stability. Amide-extended maleimides are readily prepared by reacting a bismaleimide with an appropriate amine via the well-known Michael addition reaction. Acylation of the resulting secondary amines provides the amide-extended maleimide. The acylating agent can also be used to introduce polymerizable functional groups into the backbones of these thermoset monomers. Amide-extended acrylate and methacrylate monomers can also be prepared. | 06-23-2011 |
20120046418 | CROSSLINKABLE POLYMER MATERIAL, CROSSLINKED POLYMER MATERIAL, AND PRODUCTION METHOD THEREOF - The present invention provides a production method of a crosslinkable polymer material which includes adding 2-(glycidyloxy)-1-naphthonitrile oxide or 2-[5-(ethoxycarbonyl)pentyloxy]-1-naphthonitrile oxide by an addition reaction to a polymer material having a multiple bond to which a nitrile oxide is added by an addition reaction so as to introduce a glycidyl group or an ethoxycarbonyl group into the polymer material. | 02-23-2012 |
20120116026 | PROCESS FOR DEGRADING NITRILE RUBBERS IN THE PRESENCE OF CATALYSTS HAVING AN INCREASED ACTIVITY - A process of degrading nitrile rubbers comprises subjecting them to a metathesis reaction in the presence of specific catalysts with increased activity. | 05-10-2012 |
20130165595 | SELENIUM-BASED BIOCIDAL FORMULATIONS AND METHODS OF USE THEREOF - Biocidal compositions containing organoselenium compounds are disclosed, as well as methods of producing and using same. | 06-27-2013 |
20130345366 | PARTIALLY HYDROGENATED NITRILE RUBBERS - Provided are new partially hydrogenated nitrile rubbers which are distinguished by a specific ratio of viscosity to molecular weight, and also vulcanizable mixtures and vulcanizates based on said rubbers, and also the associated preparation processes. The partially hydrogenated nitrile rubbers lead to compounded formulations having advantageous processing properties in conjunction with excellent vulcanizate properties. | 12-26-2013 |
20140024784 | PROCESS FOR THE PRODUCTION OF WATER AND SOLVENT-FREE HYDROGENATED NITRILE RUBBERS - The present invention relates to a process for the production of water and solvent-free hydrogenated nitrile rubber polymers, to the hydrogenated nitrile rubbers and the use thereof. | 01-23-2014 |
20140058047 | Ionic Viscoelastics and Viscoelastic Salts - One embodiment of the present invention relates to ionic liquids and ionic viscoelastics formed between [1] a small molecule or macromolecule containing two or more cations; and [2] a small molecule or macromolecule containing two or more anions. Another embodiment of the invention is the use of the inventive ionic liquids and ionic viscoelastics, formed between a small molecule or macromolecule containing two or more cations and a small molecule or macromolecule containing two or more anions, to form a crosslinked network. In certain embodiments, the ionic liquids formed can be viscous liquids, viscous liquid formed networks, or viscoelastic networks/gels. In certain embodiments, the ionic material of the invention may be used for a variety of applications including, but not limited to, lubricants, additives, gas separation, liquid separation, membranes, fuel cells, sensors, batteries, coatings, heat storage, liquid crystals, biocompatible fluids, solvents, and electronic materials. | 02-27-2014 |
20140114026 | COMPOSITIONS THAT CAN BE VULCANIZED AND THAT ARE BASED ON NITRILE RUBBERS CONTAINING EPOXY GROUPS - There are provided novel vulcanizable compositions based on optionally fully or partly hydrogenated nitrile rubbers containing epoxy groups, and specific crosslinkers, which no longer require use of conventional crosslinkers, more particularly sulphur. The vulcanizates producible therefrom possess very good compression sets at room temperature, 100° C. and 150° C., and additionally exhibit high tensile stress combined with good elongation at break. | 04-24-2014 |
20140249277 | CATALYST COMPOSITIONS AND THEIR USE FOR HYDROGENATION OF NITRILE RUBBER - This invention relates to novel catalyst compositions based on Ruthenium- or Osmium-based complex catalysts and to a process for selectively hydrogenating nitrile rubbers in the presence of such catalyst compositions. | 09-04-2014 |
20140357801 | Nitrile rubbers coupled via bisdihydropyrazole groups, production thereof and use thereof - A nitrile rubber coupled via bisdihydropyrazole groups is produced by reacting a nitrile rubber which is based on conjugated dienes, α,β-unsaturated nitriles and optionally further copolymerizable monomers as monomers, may have been hydrogenated and has covalently bonded tetrazole groups with a bifunctional ene compound in which the ene groups can each be reacted with the tetrazole groups to give dihydropyrazole groups. | 12-04-2014 |
20140357802 | TOUGHENING AGENT FOR EPOXY THERMOSET - An epoxy thermoset that includes a reaction product of a toughening agent prepared from a reaction of a first epoxy resin and a polyether polyamine, a second epoxy resin and a liquid amine hardener for the toughening agent and the second epoxy resin. The toughening agent is an adduct of the second epoxy resin and the polyether polyamine. The polyether polyamine phase of the toughening agent separates to form particles in the epoxy thermoset, where the particles have a volume average diameter in a range from 20 nanometers to 200 nanometers. | 12-04-2014 |
20150119530 | HYDROGENATION OF NITRILE RUBBER - This invention relates to a novel process for selectively hydrogenating nitrile rubbers in the presence of specific Ruthenium based complex catalysts without simultaneous molecular weight degradation by a metathetic reaction. | 04-30-2015 |
20150148495 | METHOD FOR PRODUCING RUBBER MOLDING - Provided is a method of producing a rubber molded article, including crosslinking a rubber compound at a temperature lower than a usual crosslinking temperature (150° C. or more). The method includes a crosslinking step of crosslinking a rubber compound at a temperature of 100° C. or less, the rubber compound having a nitrile structure represented by the following formula (I) and an olefin structure represented by the following formula (II), in a rubber composition containing the rubber compound and a thiol compound having at least two thiol groups in a molecule thereof: | 05-28-2015 |
20150368447 | NITRILE RUBBER COMPOSITION AND CROSS-LINKED RUBBER - A nitrile rubber composition which contains a carboxyl group-containing nitrile rubber (A), a liquid nitrile rubber (B), and a polyamine-based cross-linking agent (C) is provided. In the nitrile rubber composition of the present invention, preferably the carboxyl group-containing nitrile rubber (A) has an iodine value of 120 or less. Further, in the nitrile rubber composition of the present invention, preferably the carboxyl group-containing nitrile rubber (A) contains α,β-ethylenically unsaturated nitrile monomer units 5 to 60 wt %, carboxyl group-containing monomer units 0.1 to 20 wt %, and conjugated diene monomer units 15 to 94.9 wt %. | 12-24-2015 |
20160002153 | FLUORINE-CONTAINING NITRILE-OXIDE COMPOUND - A stable and easily producible compound of the formula (I): | 01-07-2016 |
20160046771 | OLIGOMER-GRAFTED NANOFILLERS AND ADVANCED COMPOSITE MATERIALS - Oligomer-grafted nanofiller compositions and composites including oligomer-grafted nanofillers are disclosed. An oligomer-grafted nanofiller composition for disposition in a polymer matrix, the polymeric matrix comprising polymers derived from a plurality of polymerizable units, can include a nanoparticle, one or more coupling groups bonded to the nanoparticle; and one or more oligomers bonded to the one or more coupling groups. In an embodiment the oligomer is derived from two or more polymerizable units, at least one polymerizable unit being at least substantially similar to at least one of the polymerizable units of the polymer matrix. In another embodiment the oligomer comprises two or more polymerizable units and improves dispersion, interfacial strength, or both dispersion and interfacial strength between the nano-particle and the polymer matrix. Composites and methods are also disclosed. | 02-18-2016 |
20160122457 | NITRILE GROUP-CONTAINING COPOLYMER RUBBER, CROSS-LINKABLE RUBBER COMPOSITION, AND CROSS-LINKED RUBBER - A nitrile group-containing copolymer rubber which has a hydroxyl group, carboxyl group, or carbon-carbon double bond at an end carbon atom or on a carbon atom which bonds with the end carbon atom is provided. The nitrile group-containing copolymer rubber is preferably obtained by a metathesis reaction. A nitrile group-containing copolymer rubber which is excellent in cross-linkability can be provided. | 05-05-2016 |
20160135463 | SELENIUM-BASED BIOCIDAL FORMULATIONS AND METHODS OF USE THEREOF - Biocidal compositions containing organoselenium compounds are disclosed, as well as methods of producing and using same. | 05-19-2016 |
20160145425 | PROCESS FOR THE PRODUCTION OF WATER AND SOLVENT-FREE HYDROGENATED NITRILE RUBBERS - The present invention relates to a process for the production of water and solvent-free hydrogenated nitrile rubber polymers, to the hydrogenated nitrile rubbers and the use thereof. | 05-26-2016 |
20160185890 | NITRILE COPOLYMER RUBBER AND METHOD OF PRODUCTION THEREOF - A nitrile copolymer rubber obtained by emulsion polymerization using 2,2,4,6,6-pentamethylheptane-4-thiol as a chain transfer agent and which has a polymer pH of 8.5 or less is provided. The polymer pH is preferably 8.0 or less. According to the present invention, a nitrile copolymer rubber which is able to give a cross-linked rubber which is excellent in heat resistance and compression set resistance can be provided. | 06-30-2016 |
20160251454 | FUNCTIONALIZED COPOLYMER RUBBER CONTAINING NITRILE GROUPS | 09-01-2016 |