Class / Patent application number | Description | Number of patent applications / Date published |
526280000 | From fused or bridged ring containing monomer | 42 |
20090043064 | METAL COMPLEX, POLYMER COMPOUND, AND DEVICE CONTAINING IT - A metal complex having a structure of the following general formula (1): | 02-12-2009 |
20150057422 | RADICALLY POLYMERIZABLE COMPOSITION, CURED PRODUCT THEREOF, AND PLASTIC LENS - There are provided a radically polymerizable composition that has a low viscosity suitable for use in coating and that forms a cured product having a high refractive index, a cured product formed by curing the composition, and plastic lens formed by curing the composition. The radically polymerizable composition includes, as essential components, phenylbenzyl acrylate (A); and bis[(meth)acryloylmethyl]biphenyl (B) or biphenyl compound (C) having a molecular structure in which biphenyl structures are bonded to each other through a methylene. | 02-26-2015 |
20150361190 | POLYMERIZABLE COMPOUND HAVING LATERAL SUBSTITUENT IN TERMINAL RING STRUCTURE - An object of the invention is to provide a polymerizable compound having small refractive index anisotropy and having high storage stability and high alignment properties when constituting a polymerizable liquid crystal composition, and provide a polymerizable liquid crystal composition containing the polymerizable compound. Further, the object is to provide a polymer produced by polymerizing the polymerizable liquid crystal composition and an optically anisotropic body including the polymer. | 12-17-2015 |
526281000 | Bridged monomer | 35 |
20090018296 | Norbornene Addition Copolymer and Moldings - A norbornene addition copolymer obtained by subjecting a norbornene monomer (A), an aromatic vinyl compound (B), and an α-olefin having 2 to 20 cabon atoms (C) to addition copolymerization, the sum of the content of repeating units derived from the norbornene monomer (A) and the content of repeating units derived from the aromatic vinyl compound (B) being 25 to 90 mol % based on the total repeating units, and the content of repeating units derived from the aromatic vinyl compound (B) being 0.55 to 10 (mol) times the content of repeating units derived from the norbornene monomer (A); and a molded article obtained by molding the norbornene addition copolymer. According to the present invention, a norbornene addition copolymer exhibiting excellent transparency, a high refractive index, and a small intrinsic birefringence value, and a molded article obtained by molding the norbornene addition copolymer are provided. | 01-15-2009 |
20090082536 | CYCLIC OLEFIN-BASED COPOLYMER, FILM, AND POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - A copolymer contains 10 to 69 mol % of a structural unit derived from propylene, 1 to 50 mol % of a structural unit derived from at least one α-olefin having a carbon number of from 4 to 20 and 30 to 89 mol % of a structural unit derived from at least one cyclic olefin represented by the formula (1) as defined herein, and has a weight average molecular weight of from 50,000 to 1,000,000. | 03-26-2009 |
20090156770 | Retardation film and liquid crystal display device using the same - A retardation film, formed by stretching a film including a norbornene-based, ring-opening polymer containing a structural unit (A) represented by a formula (1), has high transparency, excellent wavelength dispersion characteristics in a single layer, is capable of providing specific retardation to broadband light, is extremely adhesive to other materials, is capable of attaining optical characteristics that are unique among negative birefringence characteristics, and is capable of providing a reverse dispersion of birefringence wavelength dispersion characteristics. The present invention also provides a liquid crystal display device using the foregoing film. | 06-18-2009 |
20090192280 | CELLULOSE ACYLATE FILM, SATURATED NORBORNENE RESIN FILM, AND PROCESS FOR PRODUCING THESE - A high-quality cellulose acylate film and saturated norbornene resin film which are produced by a melt film formation method and can be inhibited from having steak failures. Also provided is a process for producing the cellulose acylate film or the saturated norbornene resin film. The process, which is for producing a cellulose acylate film ( | 07-30-2009 |
20090275719 | Film Comprising Norbornene Compound Addition Polymer - [Problems] To provide a film comprising a norbornene (NB) compound addition polymer that is excellent in chemical resistance, optical properties and the like, has a high Tg, a low water absorption ratio and a low linear expansion coefficient, and is soluble in an ordinary solvent. | 11-05-2009 |
20090312510 | OPTICAL ELEMENT AND OPTICAL PICKUP APPARATUS - A production method of an objective lens for optical pickup apparatus having a numerical aperture NA of image side of 0.80 to 0.90 is disclosed. The method includes steps of molding resin composition containing copolymer of α-olefin and a cyclic olefin represented by Formula (I) or (II) to form lens shape, and thermally processing the molded product under a condition at a temperature between Tg −45° C. and Tg −15° C. for 12 to 168 hours, wherein the Formula (I) and (II) is detailed in the specification. | 12-17-2009 |
20100324247 | POLYMERIZABLE COMPOSITION, CROSSLINKABLE RESIN, AND PRODUCTION METHODS AND APPLICATIONS THEREOF - A polymerizable composition comprising a norbornene monomer, a metathesis polymerization catalyst, and a nonpolar radical generating agent, from which a crosslinkable resin can be obtained that is suitable as an electric material and the like used in an electric circuit board. By coating or impregnating this polymerizable composition onto or into a support, and then carrying out bulk polymerization to obtain a crosslinkable resin composite, and then crosslinking the crosslinkable resin composite to obtain a crosslinked resin composite having excellent characteristics such as electric insulation, adhesion, mechanical strength, heat resistance, dielectric properties and the like. The compound has a dipole moment of 0.5 or less, generates radicals by heating, and can initiate a crosslinking reaction. | 12-23-2010 |
20110021731 | HYDROGENATED CRYSTALLINE NORBORNENE RING-OPENING POLYMER AND MOLDED ARTICLE - A hydrogenated crystalline norbornene ring-opening polymer is obtained by hydrogenating 80% or more of carbon-carbon double bonds of a ring-opening polymer that is obtained by ring-opening polymerization of norbornene monomers including 90 to 100 wt % of 2-norbornene and 0 to 10 wt % of a 2-norbornene derivative having a substituent which does not include an aliphatic carbon-carbon double bond in the presence of a branching agent, the hydrogenated crystalline norbornene ring-opening polymer having a melting point of 110 to 145° C. and a branching index of 0.3 to 0.98, and a molded article is obtained by molding the hydrogenated crystalline norbornene ring-opening polymer. The hydrogenated crystalline norbornene ring-opening polymer has excellent industrial productivity, and the molded article has excellent productivity and moisture resistance. | 01-27-2011 |
20110021732 | Process for the production of a polymer comprising monomeric units of ethylene, an a-olefin and a vinyl norbornene - The invention relates to a process for the preparation of a polymer comprising monomeric units of ethylene, an α-olefin and a vinyl norbornene applying as a catalyst system: a. a bridged or an group 4 metal containing an unbridged catalyst having a single cyclopentadienyl ligand and a mono substituted nitrogen ligand, wherein said catalyst is defined by the formula (I): b. an aluminoxane activating compound, c. 0-0.20 mol per mol of the catalyst of a further activating compound, wherein Y is a substituted carbon or nitrogen atom. The invention further relates to a polymer obtainable with the process of the invention. | 01-27-2011 |
20110065880 | Ring-Opening Metathesis Polymerization Of Norbornene And Oxanorbornene Moieties And Uses Thereof - The present invention provides homopolymers resulting from ROMP of oxanorbornene dicarboxylic anhydride moieties and non-homopolymers resulting from ROMP of norbornene dicarboxylic anhydrides and oxanorbornene dicarboxylic anhydrides with co-monomer moieties. The invention further provides hydrogenated homopolymers resulting from ROMP of oxanorbornene dicarboxylic anhydrides and hydrogenated non-homopolymers resulting from ROMP of norbornene dicarboxylic anhydrides and oxanorbornene dicarboxylic anhydrides with co-monomer moieties. The invention further provides a wide variety of compositions comprising the novel ROMP moieties. Some of the novel ROMP moiety structures are set out below, wherein R | 03-17-2011 |
20110263806 | COPOLYMER FOR PRODUCING MOLDED BODIES THAT ARE DIMENSIONALLY STABLE UNDER HEAT FROM MOLDING COMPOUNDS OR CAST GLASS - The invention relates to a copolymer for producing molded compounds or cast glass for the production of molded bodies having increased dimensional stability under heat, obtainable from the copolymerization of A) one or more ethylenically unsaturated ester compounds of the formula (I), where R | 10-27-2011 |
20110313120 | CYCLOBUTENE POLYMERS AND METHODS OF MAKING THE SAME - Described is a cyclobutene polymer comprising: monomeric units of cyclobutene, said cyclobutene having at least one fused ring system substituted thereon, said polymer comprising not more than 10 mol percent ring-opened units of said cyclobutene; and said polymer having a molecular weight of at least 1,000; said polymer optionally copolymerized with a comonomer to form a copolymer therewith. Compositions thereof and methods of making the same are also described. | 12-22-2011 |
20130018160 | Nonconjugated Conductive Polymers for Protection against Nuclear Radiation including Radioactive IodineAANM Thakur; MrinalAACI AuburnAAST ALAACO USAAGP Thakur; Mrinal Auburn AL US - Nonconjugated conductive polymers absorb radioactive iodine, therefore are useful for protection against nuclear radiation. These polymers have at least one double bond per repeat unit. The ratio of the number of double bonds to the total number of bonds along the polymer chain is less than half. Examples of nonconjugated conductive polymers include: cis-1,4-polyisoprene (natural rubber), trans-1,4-polyisoprene (gutta percha), polybutadiene, polydimethyl butadiene, poly(b-pinene), styrene butadiene rubber (SBR), polyalloocimene, polynorbornene and many others. Through interaction with iodine atoms the double bonds in the nonconjugated polymers transform into radical cations leading to a dark color. The iodine atoms remain (immobile) bound to the polymer chain through the charge-transfer interaction, these polymers are very inexpensive and can be easily processed into any shape, structure and size. Therefore, these are useful for protection against nuclear radiation including radioactive iodine. These polymers when used as a thick cover can provide safe storage of nuclear waste materials including spent fuel rods. | 01-17-2013 |
20130030136 | OPTICAL MATERIAL AND MOLDED PRODUCT THEREOF - Disclosed is an optical material including a cyclic olefin copolymer containing at least a repeating structural unit [A] represented by the general formula (1) and a repeating structural unit [B] represented by the general formula (2) and having a molar ratio [A]/[B] of from 95/5 to 1/99, wherein the absolute value of the ratio ΔOB/ΔF is from 0.001 to 0.250 in which ΔOB represents the amount of a change in the absolute value of the orientation birefringence calculated from the phase difference (nm) at a wavelength of | 01-31-2013 |
20130123452 | CURING LIQUIDS - The present invention relates to accelerators for curing unsaturated polyester resins, vinyl ester resins, and acrylic resins in conjunction with peroxide type initiators. The accelerators are based on iron/manganese complexes of a tridentate, tetradentate, pentadentate, or hexadentate nitrogen donor ligands. Also disclosed are curable resin compositions including the forgoing accelerators and a curing process for employing these accelerators. These resin compositions show good curing properties and do not contain cobalt accelerators. The present invention further relates to gel coats and molded composites prepared from such unsaturated polyester, vinyl ester, and acrylic resins. | 05-16-2013 |
526282000 | Contains an exterior ethylenic substituent bonded to a single carbon atom of the bridged ring system | 15 |
20090215974 | RING-OPENING METATHESIS POLYMER, HYDROGENATED PRODUCT THEREOF, METHOD FOR PREPARING THE SAME, AND USE THEREOF - Provided are a ring-opening metathesis polymer and a hydrogenated product thereof that are useful as materials for an optical component, and a method for preparation thereof. The present invention relates to a ring-opening metathesis polymer comprising at least repeating structural units [A] represented by the following General Formula [1] and repeating structural units [B] represented by the following General Formula [2] at a constitutional molar ratio [A]/[B] of 0.1/99.9 to 100/0. The present invention relates to a ring-opening metathesis polymer comprising at least repeating structural units [A] represented by the following General Formula [1] and repeating structural units [B] represented by the following General Formula [2] at a constitutional molar ratio [A]/[B] of 0.1/99.9 to 100/0. | 08-27-2009 |
20090312511 | Processes for Correlating UV-VIS Spectra of Norbornene Compound to Polymerization Processes Using the Same, and Related Purification Methods and Compositions - The invention provides a process of polymerizing ethylene and at least one α-olefin, said process comprises polymerizing the ethylene and the at least one α-olefin in the presence of 5-ethylidene-2-norbornene, which comprises low levels of impurities, as determined by the absorbances at the following wavelengths: 320 nm and 343 nm. The invention also provides a method of increasing the catalysts efficiency, and a method of determining the expected catalyst efficiency, each in a polymerization of ethylene and at least one α-olefin in the presence of the 5-ethylidene-2-norbornene, which comprises low levels of impurities, as determined by the absorbances at the above wavelengths. The invention further provides a method of purifying 5-ethylidene-2-norbornene to form a purified 5-ethylidene-2-norbornene, which comprises low levels of impurities, as determined by the absorbances of the above wavelengths. | 12-17-2009 |
20100210803 | NORBORNENE-BASED POLYMER HAVING LOW DIELECTRIC CONSTANT AND LOW-LOSS PROPERTIES AND INSULATING MATERIAL USING THE SAME - It relates to a norbornene-based polymer having low dielectric constant which is thus suitable for a low loss dielectric material, an insulating material using the same, an embedded printed circuit board and a functional device, in which the norbornene-based polymer includes at least one repeat unit of formula 1: | 08-19-2010 |
20110172382 | Processes And Apparatus For Polymer Finishing And Packaging - Provided are apparatus and methods relating to the finishing line of a continuous solution polymerization plant. In one aspect, an apparatus includes a pelletizer having cooling liquid, e.g., water or aqueous solution, into which is added a pelletization aid. In another aspect, the apparatus comprises means to remove residual polymer particles from the pelletizer cooling liquid. In a further aspect, the apparatus comprises conduits of at least 50 m in length for carrying propellant cooling liquid from the pelletizer to a drying apparatus. The residence time of the pellets in the cooling liquid may be 10 seconds or more. In a further aspect, a drying apparatus is provided for the pellets which comprises first and second drying zones. In a further aspect, a pneumatic conveyor is provided for carrying pellets to a packaging apparatus. In a further aspect, a packaging apparatus is provided comprising a blender silo. | 07-14-2011 |
20110313121 | REVERSE DISPERSION RETARDATION FILM AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A reverse dispersion retardation film, formed by stretching a film comprising a norbornene-based ring-opening copolymer containing a structural unit (A) represented by the following general formula (1): | 12-22-2011 |
20110319584 | ADAMANTANE DERIVATIVE, METHOD FOR PRODUCING SAME, POLYMER USING SAME AS STARTING MATERIAL, AND RESIN COMPOSITION - Provided are an adamantane derivative represented by the following formula (1), a method for producing the same, a polymer containing an acrylate compound having the adamantane structure represented by formula (1) in a repeat unit, and a functional resin composition which contains the polymer, has excellent alkali developability and substrate adhesiveness, and can improve the resolution and the line edge roughness as a chemically amplified resist sensitive to far-ultraviolet rays represented by KrF excimer laser light, ArF excimer laser light, F | 12-29-2011 |
20120116040 | Compositions having HASE rheology modifiers - A monomer compound that contains at least one polymerizable functional group per molecule, and at least one bicycloheptyl-, bicycloheptenyl-, or branched (C | 05-10-2012 |
20120142879 | COMPOSITION FOR FILM FORMATION, INSULATING FILM AND SEMICONDUCTOR DEVICE - A composition for film formation according to the present invention includes polymerizable compounds each having at least one polymerizable functional group, and the polymerizable compound includes a partial structure containing an adamantane type cage structure and at least one polymerizable reactive group contributing to polymerization reaction in one molecule thereof. Further, the polymerizable reactive group contains an aromatic ring and at least one ethynyl or vinyl group directly bonded to the aromatic ring as the polymerizable functional group, and the number of carbon atoms derived from the aromatic ring is in the range of 15 to 38% with respect to the number of total carbon atoms of the polymerizable compound. | 06-07-2012 |
20120208976 | METHOD FOR PURIFYING POLYMER AND POLYMER - Disclosed is a method for purifying a polymer in which a solution containing a cyclic olefin polymer having at least a repeating structural unit [A] represented by the general formula (1) and a metal component is brought into contact with an organic compound having a basic functional group and an acidic functional group, and then the resulting solution is brought into contact with a basic adsorbent to remove the metal component contained in the solution. | 08-16-2012 |
20120226008 | VINYL ETHER COMPOUND, VINYL ETHER POLYMER, AND METHOD FOR PRODUCING VINYL ETHER COMPOUND - A vinyl ether compound represented by formula (1-a) or formula (1-b): | 09-06-2012 |
20130023638 | ADAMANTYL (METH)ACRYLIC MONOMER AND (METH)ACRYLIC POLYMER CONTAINING THE SAME AS REPEATING UNIT - Provided according to the present invention are an adamantyl (meth)acrylate represented by formula (1), having a formazin standard turbidity of less than 1.7 NTU (Nephelometric Turbidity Unit) in methylethylketone or tetrahydrofuran, and also a (meth)acrylic copolymer comprising the adamantyl (meth)acrylate as a repeating unit: | 01-24-2013 |
20130338327 | CHAIN TRANSFER AGENT, PHOTOSENSITIVE COMPOSITION, CURED PRODUCT OF PHOTOSENSITIVE COMPOSITION, AND METHOD FOR CURING PHOTOSENSITIVE COMPOSITION - There are provided a photosensitive composition, and a cured product of the photosensitive composition, the photosensitive composition being an ultraviolet curable composition that is curable in a short time while a portion of the photosensitive composition such as a dark portion where radicals are not generated at all is curable. A cured product is obtained by curing a photosensitive composition by ultraviolet irradiation, the photosensitive composition containing an ultraviolet curable material, and a chain transfer agent that contains an ingredient (a) that is a compound containing at least one kind selected from the group consisting of a urethane bond, a urea bond and an isocyanate group, and an ingredient (b) that is a metal-containing compound, wherein a portion of the composition where irradiation light does not reach is curable. | 12-19-2013 |
20140309393 | METHOD FOR MANUFACTURING A COMPONENT - Described is a resinous article of manufacture that is wrinkle-resistant and is warpage-resistant when subjected to very high temperatures. Such an article is useful as an optical lens. | 10-16-2014 |
20140316091 | ETHYLENE-ALPHA-OLEFIN-NONCONJUGATED POLYENE COPOLYMER - Provided is an ethylene-α-olefin-nonconjugated polyene copolymer having ethylene units, α-olefin units and nonconjugated polyene units, wherein the copolymer satisfies the following requirements: (A): the intrinsic viscosity [η] is 0.5 to 1.8 dl/g, (B): the content of ethylene units is 50 to 90 mol % and the content of α-olefin units is 50 to 10 mol % where the sum total of the contents of ethylene units and α-olefin units is taken as 100 mol %, (C): the iodine value is 1 to 50, (D): the ratio of tan δ taken at 100° C. and 2 cpm to tan δ taken at 100° C. and 1000 cpm is from 1.0 to 1.7, and (E): the ratio of the Z-average molecular weight to the number average molecular weight is from 15 to 25 and the weight average molecular weight to the number average molecular weight is from 3 to 5. | 10-23-2014 |
20140371414 | METHOD FOR PRODUCING AN ELASTOMER USING A TRANSITION METAL CATALYST - The present invention relates to a method of producing an elastomer. Specifically, the method of producing an elastomer according to the present invention comprises a step of polymerizing ethylene, propylene, and optionally, a diene monomer in the presence of a catalyst composition containing a transition metal compound. The method of producing an elastomer according to the present invention makes it possible to prepare a high molecular weight, ethylene-propylene or ethylene-propylene-diene, elastic copolymer at a high temperature. | 12-18-2014 |
526283000 | Compound containing dicyclopentadiene moiety | 5 |
20120302713 | RETARDATION FILM, AND ORGANIC EL DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A retardation film, formed by stretching a film comprising a norbornene-based ring-opening copolymer containing
| 11-29-2012 |
20130144022 | Variable Viscosity Solventless Prepolymer Formulation - This invention relates to a prepolymer formulation comprising dicyclopentadiene that is at least 92% pure wherein the prepolymer formulation is flowable at ambient temperatures by virtue of the addition of a reactive ethylene monomer to the formulation. | 06-06-2013 |
20130211027 | Hydrocarbon Polymer Modifiers - A hydrocarbon polymer modifier (HPM) having high softening point and high aromaticity, is an interpolymer of (i) a piperylene component; (ii) an aromatic component; and (iii) a cyclic pentadiene component comprising a dicyclopentadiene fraction (DCPD fraction) and a dimethylcyclopentadiene fraction (MCPD fraction), wherein a weight ratio of the MCPD fraction to the DCPD fraction is from 0.8 to 20, and wherein the MCPD fraction is at least 20 wt % of the cyclic pentadiene component. In a method, the proportions of (i), (ii), (iii), and an optional amylene component are adjusted to control aromaticity, softening point and Mz of the HPM. An elastomeric composition incorporates the HPM. | 08-15-2013 |
20130345382 | NORBORNENE-TYPE FORMATE MONOMERS AND POLYMERS AND OPTICAL WAVEGUDIES FORMED THEREFROM - This invention discloses and claims a series of polycyclic monomers and polymers useful in the production of optical waveguides. The polymers of the invention comprise one or more repeating units represented by the formula (IV): | 12-26-2013 |
20140378637 | METATHESIS CATALYSTS AND METHODS THEREOF - The present application provides, among other things, compounds and methods for metathesis reactions. In some embodiments, a provided compound has the structure of formula I, II or III. In some embodiments, R | 12-25-2014 |
526284000 | Contains an exterior ethylenic substituent bonded directly or indirectly to a single carbon atom of the fused ring system | 4 |
20100144995 | METHOD FOR PRODUCING THERMOPLASTIC RESIN, POLYESTER RESIN AND POLYCARBONATE RESIN, AND THEIR APPLICATIONS - The invention relates to a method for producing a thermoplastic resin, comprising using a composition at least comprising a fluorene-containing dihydroxy compound represented by the following formula (1) and a fluorene-containing hydroxy compound represented by the following formula (2) in an amount of from 0.5 parts by weight to 1.5 parts by weight relative to 100 parts by weight of the fluorene-containing dihydroxy compound of formula (1). | 06-10-2010 |
20130253158 | SUPERABSORBENT COPOLYMER - The invention relates to a superabsorbent copolymer comprising a reaction product of a reactive optical brightener comonomer. In another embodiment, the superabsorbent copolymer comprises a reaction product of a first monomer and a reactive optical brightener comonomer. The reactive optical brightener comonomer may be selected from various pyrene optical brighteners listed herein. The invention also relates to superabsorbent copolymer having from about 0.1 to 10,000 ppm of a reactive optical brightener comonomer based on the superabsorbent copolymer. | 09-26-2013 |
20130267672 | CROSS-LINKABLE RESIN SHAPED ARTICLE, CROSS-LINKED RESIN SHAPED ARTICLE AND LAMINATE - A cross-linkable resin shaped article which contains a heat curable resin, cross-linking agent, and condensed aromatic polycyclic compound which has a (meth)acryloyloxy group, a cross-linked resin shaped article which is comprised of that cross-linkable resin shaped article which is cross-linked, and a laminate which is obtained by using these are provided. The cross-linkable resin shaped article and cross-linked resin shaped article of the present invention are excellent in heat resistance and further are useful in production of a low linear expansion laminate. | 10-10-2013 |
20140309394 | Crosslinked Polyolefins for Biomedical Applications and Method of Making Same - The invention relates to a polymer composition that includes a branched alkene which is cationically polymerizable as well as a glass-forming comonomer and/or a vinyl comonomer containing benzocyclobutene as the pendant group. The structure of the polymer composition can take various forms: linear random copolymer, linear block copolymer, star random copolymer, star block copolymer, and other hyperbranched polymers. The copolymer composition can undergoes crosslinking at elevated temperatures (preferably above 180° C.). | 10-16-2014 |