| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 525240000 |
Solid polymer derived from ethylene or propylene
| 279 |
| 525192000 |
Treating polymer or polymer mixture with a chemical treating agent other than solid polymer
| 73 |
| 525232000 |
Solid polymer derived from reactant containing at least two ethylenic groups and is devoid of aryl ring
| 72 |
| 525199000 |
Solid polymer derived from fluorine-containing ethylenic reactant
| 62 |
| 525222000 |
Solid polymer derived from reactant containing a carboxylic acid ester group
| 59 |
| 525221000 |
Solid polymer derived from reactant containing a carboxylic acid group
| 37 |
| 525217000 |
Solid polymer derived from reactant containing nitrogen atom other than from (meth)acrylonitrile
| 19 |
| 525203000 |
Solid polymer derived from ethylenic reactant containing a heterocyclic nitrogen
| 18 |
| 525209000 |
Solid polymer derived from reactant containing elements other than C, H, O, N, S, or Cl
| 17 |
| 525206000 |
Solid polymer derived from reactant containing a chalcogen atom (O, S, Se, Te) as part of a heterocyclic ring
| 14 |
| 525210000 |
Solid polymer derived from reactant containing a fused- or bridged- ring system
| 13 |
| 525197000 |
Specified blending process
| 9 |
| 525216000 |
Solid polymer derived from cycloaliphatic-containing reactant | 4 |
| 20100267901 | PROCESS FOR OBTAINING POLYMERS OF ETHYLENE AND CYCLOOLEFINS - A terpolymer containing:
| 10-21-2010 |
| 20110230621 | TRANSPARENT SEMI-INTERPENETRATING NETWORK COMPRISING A PHASE OF A LINEAR, NON-CROSSLINKED ISOBUTENE POLYMER - A transparent, semi-interpenetrating network comprises a first phase of a linear noncrosslinked isobutene polymer and a second phase of a crosslinked polymer. The crosslinked polymer is obtained through copolymerization of a first ethylenically unsaturated monomer and of a second ethylenically unsaturated monomer, wherein the first ethylenically unsaturated monomer is a cycloalkyl(meth)acrylate and the second ethylenically unsaturated monomer is selected from linear and branched C | 09-22-2011 |
| 20160024288 | PROPYLENE RANDOM COPOLYMER COMPOSITION FOR PIPE APPLICATIONS - The present invention relates to a polypropylene composition comprising a propylene random copolymer (A) with at least one comonomer selected from alpha-olefins with 2 or 4 to 8 carbon atoms and a nucleating agent (B), wherein the polypropylene composition has a polydispersity index (PI) of from 2.0 to 7.0, a melt flow rate MFR | 01-28-2016 |
| 20160200839 | POLYPROPYLENE COMPOSITION COMPRISING A PROPYLENE COPOLYMER COMPONENT | 07-14-2016 |
| 525241000 |
Solid polymer derived from an aromatic hydrocarbon reactant | 4 |
| 20100120986 | PROCESS FOR THE PRODUCTION OF AQUEOUS BINDER LATICES - A process for the production of aqueous binder latices by multistage emulsion polymerization in the aqueous phase, comprising the successive steps:
| 05-13-2010 |
| 20110245428 | Polystyrene Blends - A method of preparing a polystyrene blend that includes combining a first polystyrene composition having a first melt flow index with a second polystyrene composition having a second melt flow index and forming a polystyrene blend, the second melt flow index being at least 2 dg/min higher that the first melt flow index. The polystyrene blend has an observed tensile strength value greater than 3% above the expected tensile strength value. The second polystyrene composition can include a recycled polystyrene material, which can include expanded polystyrene. An alternate method of preparing the polystyrene blend includes combining a polystyrene composition with a styrene monomer to form a reaction mixture, polymerizing the reaction mixture and obtaining a polystyrene blend, where the polystyrene containing composition has a melt flow index at least 2 dg/min higher than the melt flow index of the styrene monomer after it has been polymerized. | 10-06-2011 |
| 20130079471 | STYRENE BUTADIENE BLOCK COPOLYMERS FOR FILM APPLICATIONS - We disclose a monovinylarene-conjugated diene block copolymer containing a plurality of monovinylarene-conjugated diene mixed blocks, wherein each mixed block contains conjugated diene units and monovinylarene units in a weight ratio of about 0.05 to about 0.33. We also disclose a composition containing (a) from about 50 parts by weight to about 95 parts by weight of the monovinylarene-conjugated diene block copolymer and (b) from about 5 parts by weight to about 50 parts by weight of polystyrene; wherein the monovinylarene-conjugated diene block copolymer and the polystyrene total 100 parts by weight. We further disclose a method of shrink-wrapping an object or a group of objects by wrapping the object or the group of objects with a film containing the composition, to yield a wrapped object or group of objects, and heating the wrapped object or group of objects to a temperature and for a duration sufficient to shrink the film in at least a first direction, to yield a shrink-wrapped object or group of objects. | 03-28-2013 |
| 20140171592 | Case for valve-regulated lead-acid batteries - A case for valve-regulated lead-acid battery comprising an olefin polymer composition comprising:
| 06-19-2014 |
| 525213000 |
Solid polymer derived from chlorine-containing reactant other than vinyl(idene) chloride | 4 |
| 20110251350 | IMPACT MODIFIER COMPOSITION, AN IMPACT RESISTANT COMPOSITION, METHOD OF PRODUCING THE SAME, AND ARTICLES MADE THEREFROM - The instant invention is an impact modifier composition, an impact resistant composition, method of producing the same, and articles made therefrom. The impact modifier composition comprises (a) less than 30 percent by weight of high-density polyethylene, based on the weight of the impact modifier composition; and (b) at least 70 percent by weight of chlorinated polyethylene, based on the weight of the impact modifier composition. The method for producing the impact modifier composition comprises the steps of (1) selecting high-density polyethylene in a powder form; (2) selecting chlorinated polyethylene in a powder form; (3) uniformly admixing said high-density polyethylene and said chlorinated polyethylene; and (4) thereby producing said impact modifier composition, wherein said impact modifier composition comprises (a) less than 30 percent by weight of high-density polyethylene based on the total weight of the impact modifier composition, based on the weight of impact modifier composition; and (b) at least 70 percent by weight of chlorinated polyethylene, based on the weight of the impact modifier composition. The impact resistant composition comprises (1) at least 85 percent by weight of poly(vinyl chloride), based on the weight of the impact resistant composition; and (2) less than 10 percent by weight of an impact modifier composition, based on the weight of the impact resistant composition, comprising; (a) less than 30 percent by weight of high-density polyethylene, based on the weight of the impact modifier composition; and (b) at least 70 percent by weight of chlorinated polyethylene, based on the weight of the impact modifier composition; wherein the impact resistant composition has an instrumented dart drop impact of greater than 0.90 inch-pounds per mil at −10° C. The method for producing the impact resistant composition comprises the steps of (1) selecting poly(vinyl chloride); (2) selecting an impact modifier composition comprising; (a) less than 30 percent by weight of high-density polyethylene, based on the weight of the impact modifier composition; and (b) at least 70 percent by weight of chlorinated polyethylene, based on the weight of the impact modifier composition; (3) melt blending the poly(vinyl chloride) and the impact modifier composition; and (4) thereby producing the impact resistant composition comprising at least 85 percent by weight of poly(vinyl chloride), based on the weight of the impact resistant composition; and (2) less than 10 percent by weight of the impact modifier composition. The article comprises (1) at least 85 percent by weight of poly(vinyl chloride), based on the weight of the impact resistant composition; and (2) less than 10 percent by weight of an impact modifier composition, based on the weight of the impact resistant composition, comprising; (a) less than 30 percent by weight of high-density polyethylene, based on the weight of the impact modifier composition; and (b) at least 70 percent by weight of chlorinated polyethylene, based on the weight of the impact modifier composition; wherein the article has an instrumented dart drop impact of greater than 0.90 inch-pounds per mil at −10° C. | 10-13-2011 |
| 20130137825 | THERMOPLASTIC ELASTOMER COMPOSITION AND MEDICAL RUBBER PRODUCT - The present invention aims to provide a dynamically-crosslinked thermoplastic elastomer composition that can provide a molded product exhibiting low compression set especially in the case of being cooled under stress. The present invention relates to a thermoplastic elastomer composition, including a dynamically-crosslinked butyl rubber and a thermoplastic resin; and having a thermoplastic resin content of not more than 8% by mass. The dynamically-crosslinked butyl rubber is preferably a halogen-containing butyl rubber. | 05-30-2013 |
| 20090143535 | IMPACT MODIFIER COMPOSITION, AN IMPACT RESISTANT COMPOSITION, METHOD OF PRODUCING THE SAME, AND ARTICLES MADE THEREFROM - The instant invention is an impact modifier composition, an impact resistant composition, method of producing the same, and articles made therefrom. The impact modifier composition comprises (a) less than 30 percent by weight of high-density polyethylene, based on the weight of the impact modifier composition; and (b) at least 70 percent by weight of chlorinated polyethylene, based on the weight of the impact modifier composition. The impact resistant composition comprises (1) at least 85 percent by weight of poly(vinyl chloride), based on the weight of the impact resistant composition; and (2) less than 10 percent by weight of an impact modifier composition, based on the weight of the impact resistant composition, comprising; (a) less than 30 percent by weight of high-density polyethylene, based on the weight of the impact modifier composition; and (b) at least 70 percent by weight of chlorinated polyethylene, based on the weight of the impact modifier composition; wherein the impact resistant composition has an instrumented dart drop impact of greater than 0.90 inch-pounds per mil at −10° C. | 06-04-2009 |
| 20130053516 | IMPACT MODIFIER COMPOSITION, AN IMPACT RESISTANT COMPOSITION, METHOD OF PRODUCING THE SAME, AND ARTICLES MADE THEREFROM - The instant invention is an impact modifier composition and method of producing the same. The impact modifier composition comprises (a) less than 30 percent by weight of high-density polyethylene, based on the weight of the impact modifier composition; and (b) at least 70 percent by weight of chlorinated polyethylene, based on the weight of the impact modifier composition. | 02-28-2013 |
| 525201000 |
Solid polymer derived from metal-containing ethylenic reactant | 3 |
| 20120071608 | Copolymer Blend Compositions for Use to Increase Paper Filler Content - Methods for making a heterogeneous polymer blend comprising one or more anionic polymers, one or more cationic polymers, and one or more non-ionic polymers, which method comprises (a) adding to a non-neutral solution a first amount of polymerization initiator and one or more anionic or cationic monomers, wherein each monomer has the same charge; (b) a second amount of the polymerization initiator and one or more non-ionic monomers; (c) adding a third amount of the polymerization initiator and one or more ionic monomers that are oppositely charged from the monomers of (a); adding stepwise, a fourth amount of the polymerization initiator to react any residual monomer, and (e) neutralizing the resulting polymer blend. Also claimed are heterogeneous polymer blends containing polymers formed from one or more anionic, cationic, and non-ionic monomers, either polymerized in situ or separately and then combined. | 03-22-2012 |
| 20130137824 | PREPARATION OF METALLIC COMONOMERS FOR POLYSTYRENE - A method for making a polystyrene ionomer comprises: preparing a metallic comonomer within styrene monomer to form a reaction mixture; and placing the reaction mixture under conditions suitable for the formation of a polymer composition. The metallic comonomer can be a metal acrylate, formed by contacting a metal complex and an acrylate precursor. | 05-30-2013 |
| 20180021700 | INORGANIC PARTICLE POLYMER HYBRIDS AND USES THEREOF | 01-25-2018 |
| 525239000 |
Solid polymer derived from vinyl(idene) chloride | 3 |
| 20080242802 | Vinyl Chloride Resin Composition - Provided are a vinyl chloride resin composition having good melt flowability without lowering the softening temperature and the mechanical strength properties of the molded articles thereof even when various compounding ingredients are not added thereto in a large amount, and a molded article obtained by the composition. The present invention is attained by a vinyl chloride resin composition prepared by adding a vinyl chloride copolymer resin obtained by copolymerizing a vinyl monomer and a macromonomer having a polymer comprising an ethylenically unsaturated monomer containing a double bond in a main chain, to a vinyl chloride resin. | 10-02-2008 |
| 20140128548 | Textile Backing Formed from Recycled Materials - Backings for carpet and carpet tiles are formed from various post-consumer and/or post-industrial polymeric waste materials, for example, post-consumer textile waste material (e.g., carpet and carpet tiles), post-industrial textile waste material (e.g., carpet and/or carpet tiles), and/or other post-consumer and/or post-industrial polymeric materials. | 05-08-2014 |
| 20150112025 | HIGH EFFICIENCY POLYMER COMPOSITION - A high efficiency acrylic based impact modifier including a rubber weight fraction of at least 70% and an ultra-high molecular weight acrylic process aid with a molecular weight of at least 15 million grams/mol. | 04-23-2015 |
| 525212000 |
Solid polymer derived from sulfur-containing reactant | 3 |
| 20090036608 | CHLOROPRENE-BASED BLOCK COPOLYMER, SOAPLESS POLYCHLOROPRENE-BASED LATEX, AND PROCESSES FOR PRODUCING THE SAME - An object of the present invention is to provide a novel polychloroprene-based copolymer, a soapless polychloroprene-based latex, and a process for producing the same in a simple and convenient manner, which are intended to be used for the improvement in adhesiveness and water resistance of a conventional polychloroprene adhesive or the improvement in oil resistance and adhesiveness of a styrene-butadiene block copolymer. | 02-05-2009 |
| 20090215963 | Thermoplastic elastomeric material and process for its manufacturing - A thermoplastic elastomeric material includes a vulcanized rubber in a subdivided form surface-grafted with at least one vinyl polymer, wherein the amount of the surface-grafted vinyl polymer is not lower than 60% by weight, preferably not lower than 70% by weight, more preferably not lower than 80% by weight, with respect to the total weight of the surface-grafted vinyl polymer and the vulcanized rubber in a subdivided form. | 08-27-2009 |
| 20160039999 | BLENDED RUBBER, BLENDED RUBBER COMPOSITION AND VULCANIZATE - Provided are a blended rubber and a blended rubber composition that give a vulcanizate superior in abrasion resistance and ozone resistance, and a vulcanizate prepared by vulcanizing the blended rubber composition. A blended rubber, comprising 30 to 93 mass % of a chloroprene rubber, 5 to 50 mass % of a soft polyvinyl chloride, and 2 to 20 mass % of an acrylonitrile-butadiene rubber. The polyvinyl chloride resin used preferably has a polymerization degree of 300 to 3000 and the acrylonitrile-butadiene rubber preferably has an acrylonitrile content of 18 to 50 mass %. | 02-11-2016 |
| 525231000 |
Solid polymer derived from oxygen-containing reactant | 3 |
| 20090137744 | Polymerisation Of Vinyl Chloride Monomer - A copolymer of (i) an alkyl acrylate or alkyl methacrylate and (ii) a hydroxyalkyl acrylate or hydroxyalkyl methacrylate is used as a secondary protective colloid in the suspension polymerization of vinyl chloride monomer. The alkyl group of the alkyl acrylate or alkyl methacrylate is preferably a 2-ethylhexyl group. The hydroxyalkyl group of the hydroxyalkyl acrylate or hydroxyalkyl methacrylate is preferably a hydroxyethyl group. | 05-28-2009 |
| 20090264598 | NOVEL SURFACTANTS FOR TERTIARY MINERAL OIL EXTRACTION BASED ON BRANCHED ALCOHOLS - Surfactants of the general formula R | 10-22-2009 |
| 20160060402 | FORMED BODY HAVING A LAYER OF THERMOPLASTIC RESIN - A formed body having a layer of a resin composition constituted by a thermoplastic resin and a barrier resin, wherein the layer of the resin composition forms, in a matrix of the thermoplastic resin, a layer structure in which the barrier resin is dispersed in the form of a lamellar dispersion phase stretching in one direction; and the ratio (a)/(b) of an aspect ratio (a) of the dispersion phase of the barrier resin near the surfaces of the layer and an aspect ratio (b) of the dispersion phase of the barrier resin in the central portion in the direction of thickness of the layer, is not more than 2.0. The formed body has the layer of the resin composition constituted by the thermoplastic resin and the barrier resin, and has a dispersion structure capable of exhibiting excellent barrier property despite of the single layer. | 03-03-2016 |
| 525220000 |
Solid polymer derived from reactant containing a carbonyl group other than as part of a carboxylic acid or derivative | 2 |
| 20090036609 | Rubber composition and vibration damper using the rubber composition - A torsional vibration damper or other vibration damping device with a rubber vibration absorbing element. The rubber element is a peroxide-cured composition based on 100 parts of ethylene-alpha-olefin elastomer, and 5 to 100 parts of polyvinyl butyral polymer which may have a molecular weight from about 40,000 to about 250,000. The composition may also include a compatibilizer or homogenizer, such as chlorinated polyethylene. The polyvinyl butyral increases the damping of the composition, and the compatibilizer improves the temperature stability of the damping. | 02-05-2009 |
| 20140371396 | Processing Aids and Polymer Formulations Containing the Same and Method for Producing the Same - A multi-stage emulsion processing aid polymer comprising one or more functionalized ethylenically unsaturated monomer into the emulsion polymerization reactor, wherein the functionality is selected from the group consisting of β-keto esters, β-keto amides, β-diketones, cyanoacetic esters, malonates, nitroalkanes, β-nitro esters, sulfonazides, thiols, thiol-s-triazines, and amine, where the functionality is incorporated into polymers by polymerizing, ethylenically unsaturated monomers containing these functionalities or by post functionalization of a polymer with additional reactions after polymerization in one of the first or second stages. Foamable halogenated polymers comprising the multi-stage emulsion processing aid polymer is also provided. Also provided are methods for making the multi-stage emulsion processing aid polymer and foamable halogenated polymers. | 12-18-2014 |
| 525219000 |
Solid polymer derived from reactant containing a phenolic group | 2 |
| 20090093592 | OPHTHALMIC AND OTORHINOLARYNGOLOGICAL DEVICE MATERIALS - Disclosed are soft, high refractive index, acrylic device materials. The materials comprise di-block or tri-block macromers containing hydrophilic side-chains. The materials have improved glistening resistance. | 04-09-2009 |
| 20160115355 | ADHESIVE FILM FOR POLARIZING PLATE, POLARIZING PLATE INCLUDING THE SAME AND OPTICAL DISPLAY INCLUDING THE SAME - An adhesive film for polarizing plates has a K value of about 0.2 to about 0.5, as calculated by Equation 1. A polarizing plate includes the adhesive film for polarizing plates. An optical display includes the polarizing plate. The adhesive films for polarizing plates according to embodiments of the invention suppress light leakage due to dimensional changes in the polarizing plates at high temperature and/or high humidity. | 04-28-2016 |
| 525238000 |
Solid polymer derived from (meth)acrylonitrile | 1 |
| 20100204407 | POLYMERIZATION OF VINYLIC MONOMERS CONTAINING A HETEROATOM - A process for the anionic polymerization of monomers, by the step of polymerizing the monomers in the presence of an initiator composition comprising a metal hydride such as sodium hydride and an organyl metal compound such as triisobutylaluminum, the monomers comprising one or more vinylic monomers comprising one or more elements different from carbon and hydrogen. | 08-12-2010 |
| 525202000 |
Solid polymer derived from reactant containing an acetylenic group | 1 |
| 20100286335 | BLOCK POLYMER AND DEVICE - The invention provides a block polymer capable of being used as a molecular wire facilitating injection of carriers between itself and an electrode, and a device in which electrodes are bridged by one molecule. The block polymer has a main chain composed of polyacetylene having a spiral structure, and includes a coating insulating block and a conductive block. The coating insulating block has a polyacetylene unit structure having alkyl chains at its side chains through functional groups, the alkyl chains being arranged in a direction parallel to the major axis of the main chain. The conductive block has a polyacetylene unit structure having hydrogen atoms at its side chains through functional groups, the hydrogen atoms being arranged in a direction parallel to the major axis of the main chain. The device has the above-mentioned block polymer, and two or more electrodes. | 11-11-2010 |
