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| Number | Title | Issue Date |
| 8183326 | Functionalized polymer A polymer includes directly bonded aromatic pendent groups and at least one moiety defined by one of the following formulas >N—N═CR1R2 or —N═N—CR1R2— where R1 and R2 (a... | 05/22/2012 |
| 8158725 | Functionalized polymers and tires therefrom A method for preparing a functionalized polymer, the method comprising providing a reactive polymer, where the reactive polymer includes a carbon anion, an oxygen anion, a sulfur anion, or a nitrogen anion, reacting the reactive polymer with carbon disulfide to form... | 04/17/2012 |
| 8088868 | Polymers functionalized with protected oxime compounds A method for preparing a functionalized polymer, the method comprising the steps of (i) polymerizing conjugated diene monomer by employing a lanthanide-based catalyst to form a reactive polymer, and (ii) reacting the reactive polymer with a protected oxime compound.... | 01/03/2012 |
| 7951876 | Multi-functional polymers A multi-functional polymer defined by the formula (Q-R¦n—Z—P2—Y where (Q-R)n is a functionality cluster, Q is a functional group, R is a multi-valent organic group, P2 is a long-chain polymer, n ... | 05/31/2011 |
| 7906592 | Polymers functionalized with imide compounds containing a protected amino group A method for preparing a functionalized polymer, the method comprising the steps of preparing a reactive polymer and reacting the reactive polymer with an imide compound containing a protected amino group. ... | 03/15/2011 |
| 7879952 | Functionalized polymers A method for preparing a functionalized polymer, the method comprising the steps of (i) polymerizing conjugated diene monomer by employing a lanthanide-based catalyst to form a reactive polymer, and (ii) reacting the reactive polymer with an azine compound. ... | 02/01/2011 |
| 7868099 | Dendrimers of rubbery polymers This invention discloses a process for synthesizing a dendrimer of a rubbery polymer comprising: (a) reacting a lithium terminated rubbery polymer with a halogenated tin containing compound to produce a polymer which is terminated with halogenated tin moieties, wher... | 01/11/2011 |
| 7863389 | Rubber composition A rubber composition having an excellent adhesion with a brass-plated wire and an excellent heat aging resistance of a vulcanite containing (A) 100 parts by weight of a diene-based rubber, (B) 0.1 to 10 parts by weight of, as a vulcanization accelerator, an amine sa... | 01/04/2011 |
| 7851558 | Brominated butadiene/vinyl aromatic copolymers, blends of such copolymers with a vinyl aromatic polymer and polymeric foams formed from such blends A thermally stable brominated butadiene copolymer, such as brominated styrene/butadiene block copolymer, brominated random styrene/butadiene copolymer or brominated styrene/butadiene graft copolymer, preparation of the brominated butadiene copolymers, use of the bro... | 12/14/2010 |
| 7825194 | Hairy polymeric nanoparticles This invention discloses a process for synthesizing a hairy polymer particle which comprises the steps of (1) polymerizing a vinyl aromatic monomer by emulsion polymerization in an aqueous medium to produce core particles, (2) recovering the core particles from the ... | 11/02/2010 |
| 7825195 | Dendrimers of rubbery polymers This invention discloses a process for synthesizing a dendrimer of a rubbery polymer comprising: (a) reacting a lithium terminated rubbery polymer with a halogenated silicon containing compound to produce a polymer which is terminated with halogenated silicon moieti... | 11/02/2010 |
| 7781533 | Conjugated diene polymer, process for its production and rubber compositions containing the same A process for producing a conjugated diene-based polymer which comprises, in the first modification, modifying a conjugated diene-based polymer having active chain ends, which is obtained by polymerizing a diene-based monomer singly or with other monomers and has a ... | 08/24/2010 |
| 7732534 | Polymers functionalized with nitro compounds A method for preparing a functionalized polymer, the method comprising the steps of (i) polymerizing conjugated diene monomer by employing a lanthanide-based catalyst to form a reactive polymer, and (ii) reacting the reactive polymer with a nitro compound. ... | 06/08/2010 |
| 7723440 | Functionalized polymers and improved vulcanizates therefrom A functionalized polymer defined by the formula π-R1-α, where π is a polymer chain, R1 is a bond or a divalent organic group, and α is a sulfur-containing heterocycle. ... | 05/25/2010 |
| 7700694 | Catalyst composition and method for hydrogenating a polymer having a conjugated diene A catalyst composition and a method for hydrogenating a polymer having a conjugated diene are provided. The catalyst composition includes (a) a first composition having one of a bis(cyclopendienyl, fluorenyl, indenyl and derivatives thereof) titanium compound and a ... | 04/20/2010 |
| 7612147 | Dendrimers of rubbery polymers This invention discloses a process for synthesizing a dendrimer of a rubbery polymer comprising: (a) reacting a lithium terminated rubbery polymer with a halogenated silicon containing compound to produce a polymer which is terminated with halogenated silicon moieti... | 11/03/2009 |
| 7569641 | Poly(ethylene-butylene) (meth)acrylates and related compositions A composition comprising a polymer according to Structure 1 wherein R is H, Me, Et or C6H5; R′ is H or Me; n is a number from 1 to 100; and Z is a number from 1 to 3; f is a number from 1 to 5, with ... | 08/04/2009 |
| 7534839 | Sequentially terminated elastomers Anionically-polymerized living polymers are sequentially functionalized with certain agents X′ and Y′. A method of preparing a functionalized polymer comprising the steps of reacting the polymer with a functionalizing agent X′, and then further reacting the po... | 05/19/2009 |
| 7498387 | Modified polymers and compositions containing the same A first-order modified, hydrogenated polymer comprising (1) a hydrogenated polymer obtained by hydrogenating at least one unhydrogenated polymer selected from the group consisting of a polymer comprising conjugated diene monomer units and a copolymer comprising conj... | 03/03/2009 |
| 7485684 | Functionalization of living rubbery polymers with nitrones This invention relates to a tire which is comprised of a generally toroidal-shaped carcass with an outer circumferential tread, two spaced beads, at least one ply extending from bead to bead and sidewalls extending radially from and connecting said tread to said bea... | 02/03/2009 |
| 7473741 | Process for the selective hydrogenation of unsaturated (co)polymers Process for the selective hydrogenation of double olefinic bonds present in polymers and copolymers of conjugated dienes, which comprises: (a) preparation of a hydrocarbon solution of the (co)polymer to be hydrogenated, optionally containing a modifier ... | 01/06/2009 |
| 7435775 | Tire with component having oxirane resin The present invention is directed to a pneumatic tire comprising at least one component, the at least component comprising a rubber composition, the rubber composition comprising a diene based elastomer and an oxirane resin of formula I | 10/14/2008 |
| 7425597 | High molecular weight cationic polymers obtained by post-polymerization crosslinking reaction The molecular weight of cationic polymers, such as diallyldialkyl ammonium chloride, can be increased by controlled addition of a water-soluble radical initiator at an elevated reaction temperature with agitation to prepare high molecular weight, crosslinked, water-... | 09/16/2008 |
| 7417093 | Functionalization of olefin/diene copolymers In a process for functionalizing an α-olefin/diene copolymer, a copolymer comprising units derived from at least one α-olefin and units derived from at least one diene, which copolymer contains at least one double bond, is contacted in a reaction medium with an al... | 08/26/2008 |
| 7407561 | Use of water-soluble crosslinked cationic polymers for controlling deposition of pitch and stickies in papermaking The present invention relates to a method for controlling pitch and stickies deposit in a pulp and papermaking process using crosslinked cationic polymers made by controlled addition of a water soluble radical initiator at reaction temperature with agitation for cha... | 08/05/2008 |
| 7396887 | Insitu removal of chelator from anionic polymerization reactions A process for producing polymers having at least one high vinyl end segment is provided. The process comprises: (a) forming a living prepolymer high vinyl initiator with a vinyl content greater than about 45% using a vinyl modifier, (b) adding a R1R2... | 07/08/2008 |
| 7396871 | Rubber modified acrylic and/or vinyl hybrid resins This invention relates to a rubber modified acrylic and/or vinyl resin comprising the mini-emulsion polymerization product of at least one rubber compound substantially dissolved in at least one acrylic monomer and/or vinyl monomer. ... | 07/08/2008 |
| 7393902 | Rubber composition for base tread and tire comprising the same A rubber composition for a base tread which achieves improved steering stability and rolling resistance properties and a tire containing the same wherein the rubber composition includes a rubber component containing (a) 20 to 60% by weight of a polybutadiene rubber ... | 07/01/2008 |
| 7375164 | Use of metal alkanedithiols as crosslinking agents for unsaturated rubbers The present invention relates to vulcanizing agent containing metal alkanedithiols for unsaturated rubbers. ... | 05/20/2008 |
| 7354977 | Process for hydroxyalkylating carboxylic acid-functionalized materials The present invention relates to a process for hydroxyalkylating terminal carboxylic acid groups. More specifically, this invention provides a process for preparing hydroxyl-functionalized materials, such as butadiene nitrile polymers, from carboxylic acid-functiona... | 04/08/2008 |
| 7339005 | Process for producing modified diene polymer rubber There is provided a process for producing a both end-modified diene polymer rubber comprising the steps of: (1) polymerizing a conjugated diene monomer or a combination thereof with an aromatic vinyl monomer in the presence of a co... | 03/04/2008 |
| 7326754 | Thermoset adhesive films This invention is a film adhesive prepared from an adhesive composition comprising a polymer system, a film forming rubber compound, and curing agents for the polymeric system. The polymer system comprises a base polymer and electron donor and electron acceptor func... | 02/05/2008 |
| 7323519 | Process for producing vinyl polymer, vinyl polymer, and curable composition The present invention provides: a process for preparing a vinyl polymer containing a halogen in an amount of 1,000 mg or less per kilogram, in which a vinyl polymer containing the halogen produced by atom transfer radical polymerization of a vinyl monomer is heated ... | 01/29/2008 |
| 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 |
| 7294678 | Thin walled polynitrile oxide crosslinked rubber film products and methods of manufacture thereof Natural rubber and/or synthetic polyisoprene film products having enhanced tear strength and tensile strength crosslinked with a one polynitrile oxide, intended for direct or indirect contact with living tissue or fluids to be placed in living organisms. ... | 11/13/2007 |
| 7291679 | Recyclable polymer and process for production thereof A novel resin is provided which is renewable with less energy. A process for renewing the resin is also provided. The present invention includes a polymer having the repeating unit represented by Structural Formula (1) below, and a process for producing the polymer:... | 11/06/2007 |
| 7288602 | Silica filled multi-viscoelastic response rubber The present invention relates to silica filled multi-viscoelastic response rubber which is thermomechanically mixed with an organosilicon compound during the non-productive mix stage and zinc oxide is added during the productive stage of mixing. ... | 10/30/2007 |
| 7279532 | Modified hydrogenated copolymer A modified hydrogenated copolymer comprising a hydrogenated copolymer and a functional group-containing modifier group bonded to the hydrogenated copolymer, wherein the hydrogenated copolymer is obtained by hydrogenating an unhydrogenated copolymer comprising conjug... | 10/09/2007 |
| 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 |
| 7267887 | Composite molding with adhesive composition layer comprising conjugated diene polymer having cyclic structure, and coating material A shaped composite article comprising a substrate and an adherend, which are comprised of different materials and are bonded together through a layer of an adhesive composition comprising as the main ingredient (i) a cyclic structure-containing conjugated diene poly... | 09/11/2007 |
