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| Number | Title | Issue Date |
| 8188192 | Soft elastomeric films Elastomeric films which are both soft and thermally, UV and oxidatively stable are provided. The films are composed of coupled, selectively hydrogenated block copolymers having a relatively high molecular weight and high vinyl content. In addition to the block copol... | 05/29/2012 |
| 8084546 | Method for varying the transport properties of a film cast from a sulfonated copolymer A method for varying the transport properties of a film cast from a polymer having at least two polymer end blocks A and at least one polymer interior block B wherein each A block is a polymer block resistant to sulfonation and each B block is a polymer block suscep... | 12/27/2011 |
| 7977432 | Functionalized block copolymers, method for making same, and various uses for such block copolymers The present invention is a, solid block copolymer comprising at least two polymer end blocks A and at least one polymer interior block B wherein each A block is a polymer block resistant to lithiation and each B block is a polymer block susceptible to lithiation, an... | 07/12/2011 |
| 7790810 | Vinyl functional olefin polymers Vinyl functional olefin polymers are prepared by polymerizing hexadiene or copolymerizing C2-C4-α-olefin, e.g., propylene, and hexadiene in the presence of a 2,1-insertion catalyst. ... | 09/07/2010 |
| 7772326 | Block copolymer and method for producing same The invention provides a novel block copolymer which can significantly improve the adhesion between a molded product composed of a nonpolar polymer such as polypropylene or polyethylene and a coating material or a molded product composed of a polar polymer, as well ... | 08/10/2010 |
| 7608669 | Preparation of impact-resistant thermoplastic materials on the basis of styrene/butadiene copolymers with polydisperse blocks This invention describes the obtainment of impact-resistant materials from a block copolymer that comprises as monomers an alkadiene (conjugated diene) and a vinyl aromatic compound, which is used as impact modifier to obtain such materials and in which, at least, o... | 10/27/2009 |
| 7393898 | Block copolymer composition To provide a block copolymer composition having a good balance in transparency and impact resistance, and particularly having an excellent impact resistance, by making a molded product of injection molding under high sear condition in such a manner as to hardly gene... | 07/01/2008 |
| 7371805 | Hydrogenated copolymer and composition thereof A hydrogenated copolymer obtained by hydrogenating an unhydrogenated copolymer comprising conjugated diene monomer units and vinyl aromatic monomer units, the hydrogenated copolymer containing at least one hydrogenated copolymer block (B) which is obtained by hydrog... | 05/13/2008 |
| 7368504 | Method for the production of impact polystyrene Process for preparation of impact-resistant polystyrene from diene monomers and from styrene monomers via anionic polymerization, where 1) in a stage 1) a rubber solution is prepared from the diene monomers, or from the diene monom... | 05/06/2008 |
| 7358298 | Pressure-sensitive adhesive/adhesive and block copolymer suitable for use therein The present invention provides an adhesive composition containing a block copolymer, wherein the block copolymer has a polymer block (A) which is principally composed of a α-methyl styrene unit, and a polymer block (B) which is principally composed of a conjugated ... | 04/15/2008 |
| 7351757 | Vibration-damping engineering plastics The invention relates to vibration-damping engineering plastics which can be used in a wide variety of fields such as electronic equipments, electronic materials, household appliances, automobile/other transport instruments, industrial machine parts, precision instr... | 04/01/2008 |
| 7351776 | Bulk polymerization process A method for the continuous production of polydienes, the method comprising the steps of (a) charging a mixture of one or more monomer, catalyst system, and less than 50% weight percent organic solvent based on the total weight of the monomer, catalyst and solvent, ... | 04/01/2008 |
| 7332542 | Block copolymers and method for making same The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a... | 02/19/2008 |
| 7332546 | Ring-opened azlactone telechelic polymer A curable composition is described comprising a Michael donor component, a polyacryl component, and 1) an ethylenically unsaturated monomer having a reactive azlactone functional group, or 2) an ethylenically unsaturated monomer having a reactive ring-opened azlacto... | 02/19/2008 |
| 7323512 | Styrene copolymer composition Disclosed is a styrene copolymer composition having: (I) a styrene/n-butyl acrylate copolymer having styrene monomer units and n-butyl acrylate monomer units in a ratio from 80/20 to 89/11, and (II) a block copolymer having a block configuration having (A) at least ... | 01/29/2008 |
| 7323517 | Composition and process for enhancing controlled free radical polymerization The present invention relates to a composition and process for enhancing the controlled radical polymerization in the presence of nitroxyls and nitroxylethers by adding a chain transfer agent selected from the group consisting of mercaptanes, thioethers and disulfid... | 01/29/2008 |
| 7323265 | High stability membrane for proton exchange membrane fuel cells A proton exchange membrane which includes a sulfonated and phosphonated poly (styrene) material having a covalently bonded tertiary hydrogen replacement group. ... | 01/29/2008 |
| 7316842 | High-viscosity elastomeric adhesive composition High-viscosity elastomeric adhesive compositions including a high softening point tackifier resin in combination with a base polymer can be used to create elastomeric composite laminates having effective adhesion and elastic properties. The elastomeric adhesive comp... | 01/08/2008 |
| 7314658 | Storage medium for data This disclosure relates to a data storage medium, and in particular to a data storage medium comprising at least one high modulus layer. In one embodiment, an asymmetric optical storage medium can comprise: a substrate layer comprising polyarylene ether, a high modu... | 01/01/2008 |
| 7312277 | Mass polymerized rubber-modified monovinylidene aromatic copolymer composition Disclosed is a mass polymerized rubber-modified monovinylidene aromatic copolymer composition with an excellent balance of physical and mechanical properties especially low temperature impact, and methods for preparing such a composition. ... | 12/25/2007 |
| 7309518 | Radial tilt reduced media A storage media can comprise: a plastic substrate, an optical layer, a reflective layer disposed between the optical layer and the substrate, and an adhesive layer disposed between the optical layer and the reflective layer. The optical layer can have an optical lay... | 12/18/2007 |
| 7309522 | Fibers made from block copolymer The present invention relates to compositions such as fibers, elastic yarns, wovens, nonwovens, knitted fabrics, fine nets, and articles produced at least in part from a styrenic block copolymer comprising at least two blocks produced from vinyl aromatic monomers an... | 12/18/2007 |
| 7305824 | Power-off hold element A power-off hold element for operating in cooperation with an actuator is disclosed. The power-off hold element comprises a material having selectively adjustable rigidity wherein a position or shape of said material is adjustable when energy is applied to increase ... | 12/11/2007 |
| 7307124 | Hot-melt adhesive composition for non-wovens Hot-melt adhesive compositions used in non-woven assemblies, comprising: (a) 100 parts by weight of a block copolymer of the formula S-(I/B)-S, wherein S represents a predominantly poly(styrene) block and (I/B) represents a polymer... | 12/11/2007 |
| 7304110 | Polymer, process for producing the polymer and curable composition containing the polymer This invention provides a production method of a vinyl polymer having a functional group at a molecular chain terminus which comprises adding a compound (I) having a functional group and an internal alkenyl group or conjugated polyene compound (II) in the living rad... | 12/04/2007 |
| 7304113 | Method for partially and selectively hydrogenating polymers made of conjugated dienes The invention relates to a method for partially and selectively hydrogenating a polymer made of at least a conjugated diene monomer having a vinyl content of from 20 to 65%, comprising a hydrogenation step on a solution of the polymer, characterized in that the hydr... | 12/04/2007 |
| 7304112 | Azlactone telechelic polymer A curable composition is described comprising a Michael donor component, a polyacryl component, and 1) an ethylenically unsaturated monomer having a reactive azlactone functional group, or 2) an ethylenically unsaturated monomer having a reactive ring-opened azlacto... | 12/04/2007 |
| 7288590 | Adhesives with improved die-cutting performance Improved adhesives are provided through the use of styrenic tetrablock or pentablock copolymers which have a reduced elastomeric behavior under the die-cutting conditions used in label production. ... | 10/30/2007 |
| 7279533 | Polar-group-containing cyclized rubber and process for producing same A main object of the invention is to provide a polar-group-containing cyclized rubber making it possible to improve remarkable the adhesiveness between paint and a molded product made of a nonpolar polymer such as polypropylene or polyethylene, and a process for pro... | 10/09/2007 |
| 7271219 | Curable resin, curable resin material, curable film, and insulator The present invention uses a curable resin which has: in the molecule thereof, at least two crosslinking functional groups of at least one kind selected from the group consisting of epoxy group, (meth)acryloyl group, alkenylamino group and alkenyloxy group; a glass ... | 09/18/2007 |
| 7271204 | Liquid oligomeric compositions containing acrylate unsaturation and polybutadiene segments UV curable, liquid, oligomeric compositions are prepared from the reaction product of a Michael addition oligomer and an isocyanate capped polybutadiene. The UV curable, liquid, oligomeric compositions can be cured in the presence of fragrances to form articles that... | 09/18/2007 |
| 7271207 | Bituminous composition A bituminous composition which comprises a bituminous component and a block copolymer which comprises at least two blocks of a conjugated diene and at least two blocks of a monovinylaromatic hydrocarbon, being of the general formula: S1—B1—... | 09/18/2007 |
| 7267855 | Articles prepared from hydrogenated controlled distribution block copolymers The present invention relates to articles prepared from novel anionic block copolymers of mono alkenyl arenes and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymers are selectively hydrogenated and have mono alkenyl a... | 09/11/2007 |
| 7268186 | Sheet for carrier tape The present invention relates to a sheet for a carrier tape, having at least one layer comprising (I) a block copolymer comprising a vinyl aromatic hydrocarbon and a conjugated diene, (II) a non-rubber-modified vinyl aromatic type hydrocarbon polymer, and (III) a ru... | 09/11/2007 |
| 7262248 | Articles prepared from high molecular weight tetrablock copolymers The present invention relates to articles prepared from novel anionic block copolymers of mono vinyl aromatics and conjugated dienes, and to blends of such block copolymers with other polymers. The block copolymer may be blended with at least one other polymer selec... | 08/28/2007 |
| 7250129 | Soft, flexible composition and method for making same There is provided a composition comprising a unique polymeric compound that provides a soft, flexible product. There is also provided a unique polymeric tampon applicator that is soft and flexible. When used as a tampon applicator barrel, the barrel is more comforta... | 07/31/2007 |
| 7247674 | Polymer composition and uses thereof The present invention concerns a polymer composition comprising: a block copolymer (a) including a polymer block A, which is composed mainly of an α-methylstyrene, and a hydrogenated or unhydrogenated polymer block B, which is composed of a conjugated diene or isob... | 07/24/2007 |
| 7244788 | Polymer and process for producing polymers A method of producing a polymer or a stellar polymer which comprises polymerizing a vinyl monomer in the manner of living radical polymerization and adding a compound having two or more polymerizable carbon-carbon double bonds at the end point of the polymerization.... | 07/17/2007 |
| 7238751 | Multi-layer nano-particle preparation and applications A multi-layer nano-particle composition including a polymer core and at least two additional layers is provided. The nano-particles have a mean average diameter less than about 100 nm. The nano-particles can be modified via, for example, hydrogenation or functionali... | 07/03/2007 |
| 7235615 | Synthetic polymers with highly-functionalized liquid-rubber chain-end moieties A method is provided for synthesizing a polymer that has highly-functionalized chain-end moieties. The method functionalizes liquid rubber to terminate a metallic or organometallic initiated living polymer. After the living polymer has been terminated with the funct... | 06/26/2007 |
