Organic Compound Contains Sulfur And Nitrogen Atoms Patents (Class 525/351)
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Patent number: 10836866Abstract: Sulfur-containing polymeric particles having a high sulfur content can be prepared using emulsion polymerization. The sulfur-containing polymeric particles are useful in aerospace coatings and sealants.Type: GrantFiled: May 21, 2019Date of Patent: November 17, 2020Assignee: PRC-DeSoto International, Inc.Inventors: Amy Liane Toolis, Lawrence G. Anderson
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Patent number: 10351674Abstract: Sulfur-containing polymeric particles having a high sulfur content can be prepared using emulsion polymerization. The sulfur-containing polymeric particles are useful in aerospace coatings and sealants.Type: GrantFiled: October 17, 2017Date of Patent: July 16, 2019Assignee: PRC-DeSoto International, Inc.Inventors: Amy Liane Toolis, Lawrence G. Anderson
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Patent number: 8962730Abstract: The present invention is directed to a self-healing rubber composition comprising a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion; and a partitioned metal ion. The invention is further directed to a pneumatic tire comprising the self-healing rubber composition.Type: GrantFiled: November 27, 2012Date of Patent: February 24, 2015Assignee: The Goodyear Tire & Rubber CompanyInventors: Ralf Mruk, Christian Jean-Marie Kaes, Robert Fokko Roskamp
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Publication number: 20140378621Abstract: The present invention relates to crosslinkable compositions comprising vinylidene fluoride (VDF)/trifluoroethylene (TrFE) polymers and a fluorine-containing crosslinking agent of formula (A) [agent (Cz)]: {N3[S(O)g1]s1}na—(RH)nh—Rf—(R?H)nh?—{[S(O)g2],s2N3}na?, formula (A) wherein each of g1 and g2, equal to or different from each other, is 1 or 2, each of s1 and s2, equal to or different from each other, is 0 or 1, each of na and na? is independently zero or an integer of 1 to 3, provided that the sum na+na? is at least 2, each of RH and R?H, equal to or different from each other, is a C1-C12 hydrocarbon group free of fluorine atoms, nh and nh?, equal or different from each other are independently 0 or 1, and Rf is selected from the group consisting of i) a C3-C20 fluorocarbon group, possibly comprising one or more ethereal oxygen atoms, ii) an oligomer comprising copolymerized units of vinylidene fluoride and trifluoroethylene, to a process for the manufacture of said compositions, to a method for curing theType: ApplicationFiled: December 6, 2012Publication date: December 25, 2014Inventors: Vito Tortelli, Alessio Marrani, Ivan Wlassics, Ivan Falco
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Patent number: 8895670Abstract: A method for preparing a functionalized polymer, the method comprising the steps of (i) polymerizing monomer with a coordination catalyst to form a reactive polymer; and (ii) reacting the reactive polymer with a carboxylic or thiocarboxylic ester containing a silylated amino group.Type: GrantFiled: September 30, 2010Date of Patent: November 25, 2014Assignee: Bridgestone CorporationInventor: Steven Luo
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Patent number: 8859687Abstract: The present invention is directed to a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion.Type: GrantFiled: December 21, 2011Date of Patent: October 14, 2014Assignee: The Goodyear Tire & Rubber CompanyInventors: Ralf Mruk, Frank Schmitz, Robert Fokko Roskamp, Alexandra Hermann, Rudolf Wilhelm Zentel
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Publication number: 20140264959Abstract: A hardening resin composition includes a base resin and a hardening agent. The base resin contains a maleimide compound having two or more maleimide groups in one molecule, and the hardening agent contains a diamine compound expressed by a general chemical formula (1), in which A is an oxygen atom or a sulfur atom, X is a hydrogen atom, an alkyl group with a carbon number of six or less, or an aryl group, and n is a natural number of 1 to 10.Type: ApplicationFiled: March 13, 2014Publication date: September 18, 2014Applicant: DENSO CORPORATIONInventors: Hiroyuki Okuhira, Akira Takakura, Hiroshi Katou
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Patent number: 8772414Abstract: The invention provides a composition comprising an ethylene/?-olefin/non-conjugated diene interpolymer, which has the following properties: an Mz(abs)/Mz(Conv) value greater than 1.35; an Mz(BB)/Mw(abs) value greater than 1.6; and a non-conjugated diene content less than 10 weight percent, based on the total weight of the interpolymer.Type: GrantFiled: September 16, 2009Date of Patent: July 8, 2014Assignee: Dow Global Technologies LLCInventors: Wenbin Liang, Brian W. Walther, Gary R. Marchand
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Patent number: 8765859Abstract: Polymer-filler coupling compounds with the formula B-A-Sx—N are claimed. In these compounds, B is an azaheterocyclic oxygen or sulfur containing moiety, or an allyltin moiety; Sx is a polysulfide, where x is between 2 and about 10; A is a linking atom or group that forms a bridge between B and Sx; and N is a blocking group. Sx can be a disulfide. N can be a conventional blocking group or other group such as -A-B. Methods for using the polymer-filler coupling compounds to modify polymers containing unsaturated carbon-carbon bonds and promote filler dispersion are also claimed. Additionally, vulcanizable rubber compositions containing the polymer-filler coupling compounds and methods for making vulcanized rubber compositions using the polymer-filler coupling compounds are also claimed.Type: GrantFiled: November 11, 2011Date of Patent: July 1, 2014Assignee: Bridgestone CorporationInventors: Yasuo Fukushima, William L. Hergenrother, Russell W. Koch
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Patent number: 8710109Abstract: There is provided herein a membrane or film comprising one or more aromatic ionomers covalently crosslinked through aryl-aryl (—Ar—Ar—), aryl-ether-aryl (—Ar—O—Ar—), aryl-sulfide-aryl (—Ar—S—Ar—), aryl-sulfone-aryl bonds, or any combination thereof, wherein said one or more aromatic ionomers further comprises at least one electron withdrawing group adapted to improve oxidant resistance of said membrane or film.Type: GrantFiled: February 21, 2010Date of Patent: April 29, 2014Assignee: Ben Gurion University of the Negev Research and Development AuthorityInventors: Charles Linder, Ora Kedem, Yoram Oren
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Patent number: 8703875Abstract: The invention relates to novel crosslinkable copolymers which are obtainable by (a) copolymerizing at least two different hydrophilic monomers selected from the group consisting of N,N-dimethyl acrylamide (DMA), 2-hydroxyethyl acrylate (HEA), glycidyl methacrylate (GMA), N-vinylpyrrolidone (NVP), acrylic acid (AA) and a C1-C4-alkoxy polyethylene glycol(meth)acrylate having a weight average molecular weight of from 200 to 1500, and at least one crosslinker comprising two or more ethylenically unsaturated double bonds in the presence of a chain transfer agent having a functional group; and (b) reacting one or more functional groups of the resulting copolymer with an organic compound having an ethylenically unsaturated group.Type: GrantFiled: February 27, 2013Date of Patent: April 22, 2014Assignee: Novartis AGInventors: Frank Chang, Norberto Arturo Medina
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Publication number: 20140011961Abstract: The present invention relates to a solid precursor in the form of an organic salt, the solid precursor having a solid support, a method for manufacturing same, and an application thereof. The solid precursor of the present invention enables omission of the [18F]fluoride refining process using additional cartridge, and the use of excessive phase-transfer catalyst, and can easily remove remaining substance after reaction through the solid support inside the precursor. The solid precursor of the present invention is very appropriate for an automated synthesis device as an all-in-one system that can carry out overall process of [18F]fluorosis reaction, when used by charging in a cartridge.Type: ApplicationFiled: December 13, 2011Publication date: January 9, 2014Inventors: Dae-Yoon Chi, Byoung-Se Lee, Jae-Hak Lee, So-Young Chu, Woon-Jung Jung, Hye-Rim Kwon
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Publication number: 20130344023Abstract: A polymer includes at least one monomeric unit represented by Formula I, II, or III: where X is CH2 or O; R1 is H, COOR2, COCH3, CONHR2, OR2 or SR2; L is a bond or a linker group; AA is a group derived from an active agent; each R2 is independently H, a cation, an alkyl, an alkenyl, an alkynyl, COCH3, CH2CH2OH, CH2CH2OR3, an amino acid, a small peptide, a large peptide, enzyme, protein, growth factor, cytokine, antibody, single chain antibody, antibody fragment, COCCH3?CH2, COCH?CH2, CH2CO2H, CH2CH2CO2H, CH2CH2SH, CH2CH2SR3 or (CH2CH2O)n?R4; n? is an integer from 1 to 2000; each R3 is independently trityl, 4-methyltrityl or 2 pyridyl; each R4 is independently H, an alkyl, an alkenyl, an alkynyl, COCCH3?CH2, COCH?CH2, CH2CHO, CH2CH2CHO, CO2H, CO2R5, CH2CO2H, CH2CH2CO2H, CH2NH2, CH2NHR5, CH2N(R5)2, CH2CH2NH2, CH2CH2NHR, CH2CH2N(R5)2, SH, CH2CO2R5, or CH2CH2CO2R5; and each R5 is independently maleimide, a cation, an amino acid, a small peptide, a large peptide, protein, enzyme, growth factor, cytokine, antibody,Type: ApplicationFiled: January 11, 2012Publication date: December 26, 2013Applicant: Flex-BiomedicalInventors: Michel Wathier, Hideki Suzuki
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Patent number: 8609782Abstract: A process of degrading nitrile rubbers comprises subjecting them to a metathesis reaction in the presence of specific catalysts with increased activity.Type: GrantFiled: February 16, 2007Date of Patent: December 17, 2013Assignee: LANXESS Deutschland GmbHInventors: Werner Obrecht, Christopher Ong, Julia Maria Müller, Oskar Nuyken
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Patent number: 8557920Abstract: The present invention relates to a polymer composition, comprising (i) a polypropylene homopolymer, (ii) a polypropylene random copolymer, prepared by copolymerization of propylene with an olefin comonomer and having an amount of olefin comonomer units of 0.2 to 5 wt %, and (iii) an elastomeric copolymer of propylene and at least one olefin comonomer, the polymer composition having a tensile modulus, determined according to ISO 527-2/1 B at 1 mm/min. and 230 C, of at least 1200 MPa.Type: GrantFiled: May 11, 2006Date of Patent: October 15, 2013Assignee: Borealis Technology OyInventors: Kauno Alastalo, Carl-Gustaf Ek, Bo Malm, Ulf Torgersen, Olli Tuominen
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Patent number: 8541509Abstract: 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.Type: GrantFiled: December 2, 2011Date of Patent: September 24, 2013Assignee: Bridgestone CorporationInventors: Steven Luo, Yuan-Yong Yan, Jason T. Poulton, Eiju Suzuki
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Patent number: 8536271Abstract: An object of the present invention is, in a thermoplastic elastomer composition in which a modified rubber is dispersed and filled in an ethylene-vinyl alcohol copolymer matrix in order to improve the low-temperature durability of the ethylene-vinyl alcohol copolymer, to reduce the extrusion load during extrusion molding thereof into a film without deteriorating the low-temperature durability. The present invention is a thermoplastic elastomer composition comprising an ethylene-vinyl alcohol copolymer (A) and a modified rubber (B) dispersed in the ethylene-vinyl alcohol copolymer (A), wherein the modified rubber (B) has an acid anhydride group or epoxy group and is dynamically cross-linked by a compound (C) having at least two amino groups. This thermoplastic elastomer composition can be suitably used in the production of an inner liner of a pneumatic tire.Type: GrantFiled: August 2, 2010Date of Patent: September 17, 2013Assignee: The Yokohama Rubber Co., Ltd.Inventors: Koichi Kawaguchi, Naoyuki Morooka
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Patent number: 8519059Abstract: The invention provides articles obtained from curing a composition consisting of a polymercapto crosslinking agent, a vulcanization accelerator, an inorganic base, a nitrogen containing chelating agent, wherein the nitrogen containing chelating agent is selected from the group consisting of 1,10-phenanthroline and 2,2-bipyridyl, and polyethylenimine; and a halogenated elastomer; wherein said nitrogen containing chelating agent is soluble in said halogenated elastomer.Type: GrantFiled: February 15, 2013Date of Patent: August 27, 2013Assignee: Dow Global Technologies LLCInventors: Raymond L. Laakso, Jr., Gary R. Marchand, Sandra Watson
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Publication number: 20130158207Abstract: Provided herein are methods for preparing vinylidene-terminated polyolefins. Further provided herein are sulfide-terminated polyolefins.Type: ApplicationFiled: February 12, 2013Publication date: June 20, 2013Applicant: CHEVRON ORONITE COMPANY LLCInventor: Chevron Oronite Company LLC
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Publication number: 20130153815Abstract: The present invention relates to a polymer functionalized with a dye, a nanoparticle comprising the dye-functionalized polymer on its surface, as well as to methods of preparing the same. In particular, it relates to a bimodal imaging agent, comprising said nanoparticles functionalized with a polymer bearing a dye with luminescence properties, and fabrication methods of the same.Type: ApplicationFiled: November 23, 2012Publication date: June 20, 2013Applicant: Agency for Science, Technology and ResearchInventor: Agency for Science, Technology and Research
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Patent number: 8455557Abstract: There are provided herein selective membranes, such as composite membranes, and/or films and processes for their preparation. The membranes and/or films have a given morphology which may be stabilized, for example against swelling and chemical degradation, by covalent crosslinking and optionally, in addition, by hydrophobization. There is provided a membrane and/or film and a process for the preparation thereof, the membrane and/or film include an ionomer and/or polyelectrolyte crosslinked through aryl-aryl (—Ar—Ar—), aryl-ether-aryl (—Ar—O—Ar—) and/or aryl-sulfide-aryl (—Ar—S—Ar—) bonds.Type: GrantFiled: May 24, 2007Date of Patent: June 4, 2013Assignee: Ben Gurion University of the Negev R&D AuthorityInventors: Charles Linder, Ora Kedem, Yoram Oren
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Patent number: 8404783Abstract: The invention relates to novel crosslinkable copolymers which are obtainable by (a) copolymerizing at least two different hydrophilic monomers selected from the group consisting of N,N-dimethyl acrylamide (DMA), 2-hydroxyethyl acrylate (HEA), glycidyl methacrylate (GMA), N-vinylpyrrolidone (NVP), acrylic acid (AA) and a C1-C4-alkoxy polyethylene glycol (meth)acrylate having a weight average molecular weight of from 200 to 1500, and at least one crosslinker comprising two or more ethylenically unsaturated double bonds in the presence of a chain transfer agent having a functional group; and (b) reacting one or more functional groups of the resulting copolymer with an organic compound having an ethylenically unsaturated group.Type: GrantFiled: July 10, 2007Date of Patent: March 26, 2013Assignee: Novartis AGInventors: Frank Chang, Norberto Arturo Medina
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Patent number: 8399572Abstract: The invention provides compositions comprising nitrogen containing chelating agents, which can be used to reduce the effects of zinc contamination on the vulcanization rates of polymercapto based cure systems for halogenated elastomers. Such chelating agents are effective at eliminating vulcanization rate inconsistencies due to zinc contamination, without inducing negative changes to the vulcanization reaction or the subsequent physical properties of the halogenated elastomer vulcanizate. The invention also provides methods of curing a halogenated elastomer using the inventive compositions, and for articles prepared from the same.Type: GrantFiled: December 21, 2005Date of Patent: March 19, 2013Assignee: Dow Global Technologies LLCInventors: Raymond L. Laakso, Jr., Gary R. Marchand, Sandra Watson
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Patent number: 8394416Abstract: The present invention relates to a novel one step process for preparing cross-linked poly(allylamine) polymers or salts thereof using the novel cross-linking agent of Formula (IV). This invention also relates to the compound of Formula (IV) as well as to a process to obtain it. The cross-linked poly(allylamine) polymers of the invention are useful in medicine as substrate-binding polymers.Type: GrantFiled: July 16, 2008Date of Patent: March 12, 2013Assignee: Chemo Ibérica, S.A.Inventors: Sabrina Bianchi, Valter Castelvetro, Giovanni Marras, Sonja Bellomi, Graziano Castaldi, Gianpiero Ventimiglia
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Patent number: 8378035Abstract: An object of the present invention is, in a thermoplastic elastomer composition in which a modified rubber is filled and dispersed in a polyamide resin matrix in order to improve the low-temperature durability of the polyamide resin, to reduce the extrusion load during extrusion molding thereof into a film without deteriorating the low-temperature durability. The present invention is a thermoplastic elastomer composition (E) comprising a modified polyamide resin (C) and a modified rubber (D) dispersed in the modified polyamide resin (C), the modified polyamide resin (C) being a resin obtained by melt-blending an polyamide resin (A) and a compound (B) capable of reacting with a terminal amino group of a polyamide resin, wherein the modified rubber (D) has an acid anhydride group or epoxy group and is dynamically cross-linked by a compound (F) having at least one disulfide bond and at least two amino groups.Type: GrantFiled: August 2, 2010Date of Patent: February 19, 2013Assignee: The Yokohama Rubber Co., Ltd.Inventors: Koichi Kawaguchi, Naoyuki Morooka
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Patent number: 8252892Abstract: A process for obtaining an elastomer in solid phase from its polymer solution which comprises: (a) optionally pre-concentrating the polymer solution coming from the production system by a flash process; (b) subjecting the polymer solution to a concentrating stripping operation by water vapor in a mixing device comprising internal moveable mixing parts which transfer minimal mechanical energy to the solution in the form of friction heat; and (c) subjecting the concentrated polymer phase coming from (b) to devolatilization by mechanical energy and/or vapor flow to remove residual solvent.Type: GrantFiled: November 5, 2009Date of Patent: August 28, 2012Assignee: Polimeri Europa S.p.A.Inventors: Fabio Montanari, Federica Mainardi, Gabriele Veneri
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Patent number: 8252870Abstract: The instant invention is a cure system for halogenated elastomer compositions, a curable halogenated elastomer composition, and a method for curing a halogenated elastomer composition. The cure system for halogenated elastomer compositions includes a polymercapto crosslinking agent, an inorganic base, and a combination of at least two or more of (a) a nitrogen containing chelating agent; (b) a first accelerator; or (c) a second accelerator. The curable halogenated elastomer composition includes a chlorinated elastomer, and a cure system including a polymercapto crosslinking agent, an inorganic base, and a combination of at least two or more of (a) a nitrogen containing chelating agent; (b) a first accelerator; or (c) a second accelerator.Type: GrantFiled: August 21, 2007Date of Patent: August 28, 2012Assignee: Dow Global Technologies LLCInventors: Raymond L. Laakso, Jr., Gary R. Marchand
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Publication number: 20120196988Abstract: The present invention relates to a process for the preparation of cross-linked polyallylamines or pharmaceutically acceptable salts thereof. The invention further relates to a process for the preparation of Sevelamer or pharmaceutically acceptable salts thereof, preferably hydrochloride or carbonate salts, used in the treatment of hyperphosphatemia, and having good flowability, low porosity and/or a swelling index of between 7 and 9.Type: ApplicationFiled: January 31, 2012Publication date: August 2, 2012Applicant: CHEMI SPAInventors: Mauro GABOARDI, Erminio OLDANI
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Patent number: 8198378Abstract: The present invention relates to a preparation method of aromatic organosulfur functionalized 1,4-cis polybutadiene comprising: polymerizing 1,3-butadiene or butadiene derivative in the presence of a specific catalyst in a nonpolar solvent to prepare 1,4-cis polybutadiene; and reacting the resultant polybutadiene with an aromatic organosulfur compound. Such prepared aromatic organosulfur functionalized 1,4-cis polybutadiene is without ultrahigh molecular weight region and, thus, has narrow molecular weight distribution.Type: GrantFiled: October 20, 2008Date of Patent: June 12, 2012Assignee: Korea Kumho Petrochemical Co., Ltd.Inventors: Gwang Hoon Kwag, Pil Sung Kim, Seung Hwon Lee, Hyung Kyu Choi, Hyun Jin Kim
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Patent number: 8183326Abstract: 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) are independently H or a substituted or unsubstituted alkyl, alkenyl, cycloalkyl, cycloalkenyl, aryl, allyl, aralkyl, alkaryl, or alkynyl group, or (b) together form a substituted or unsubstituted alkylene, alkenylene, cycloalkylene, cycloalkenylene, or arylene group. The moiety can be attached to the polymer through one or both of the two open bonds and, where it is attached through only one bond, the other bond attaches to a hydrogen atom, i.e., the moiety is at a terminus of the polymer. Such polymers can be used to provide compositions that also include particulate fillers.Type: GrantFiled: July 24, 2007Date of Patent: May 22, 2012Assignee: Bridgestone CorporationInventors: Yuan-Yong Yan, Dennis R. Brumbaugh, Steven Luo
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Publication number: 20120115984Abstract: A process for manufacturing a self-sealing elastomer composition, said process comprising the following steps: a masterbatch, comprising at least one diene elastomer and more than 30 phr of a hydrocarbon resin, is firstly manufactured by compounding these various components in a mixer at a temperature or up to a temperature called the “hot compounding” temperature which is above the softening point of the hydrocarbon resin; and then at least one crosslinking system is incorporated into the masterbatch thus prepared, by compounding everything in the same mixer or in a different mixer, at a temperature or up to a temperature which is kept below 100° C., in order to obtain said self-sealing composition.Type: ApplicationFiled: July 20, 2009Publication date: May 10, 2012Applicants: Michelin Recherche et Technique S.A., SOCIETE DE TECHNOLOGIE MICHELINInventors: Frederic Pialot, Damien Fombelle, Bozena Voge, Jose Merino Lopez
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Publication number: 20120077941Abstract: 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.Type: ApplicationFiled: December 2, 2011Publication date: March 29, 2012Inventors: Steven Luo, Yuan-Yong Yan, Jason T. Poulton, Eiju Suzuki
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Publication number: 20120053300Abstract: The invention relates to functionalized polysulfide silica coupling agents and silica reinforced rubber compositions. Such rubber composition may be used, for example, for tire components such as, for example, tire treads.Type: ApplicationFiled: July 6, 2011Publication date: March 1, 2012Inventors: Junling Zhao, Michael Joseph Rachita
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Publication number: 20120041140Abstract: Disclosed are a modified conjugated diene-based polymer capable of providing a polymer composition improved in tan ? balance, a polymer composition containing the modified conjugated diene-based polymer and silica, and a process for producing the modified conjugated diene-based polymer. The modified conjugated diene-based polymer is obtained by melt-kneading a conjugated diene-based polymer and 0.01 to 2 parts by weight of a Bunte salt per 100 parts by weight of the conjugated diene-based polymer, in the presence of water whose amount is from 0.1 to 1,000 parts by weight per one part by weight of the Bunte salt.Type: ApplicationFiled: August 9, 2011Publication date: February 16, 2012Inventor: Hisakatsu HAMA
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Publication number: 20120035328Abstract: Various methods for forming dyed microspheres are provided. One method includes activating a chemical structure coupled to a dye using heat or light to form a reaction intermediate in the presence of a microsphere. The reaction intermediate covalently attaches to a polymer of the microsphere thereby coupling the dye to the polymer and forming the dyed microsphere. Additional methods are provided for forming a dyed microsphere coupled to a molecule. These methods include dyeing the microspheres as described above in addition to synthesizing the molecule on an outer surface of the dyed microspheres. A population of dyed microspheres is also provided. Each of the dyed microspheres of the population includes a dye attached to a polymer of each of the dyed microspheres by a chemical structure. A coefficient of variation in dye characteristics of the population of dyed microspheres attributable to the dye is less than about 10%.Type: ApplicationFiled: September 27, 2011Publication date: February 9, 2012Inventors: Kurt D. Hoffacker, Ananda G. Lugade, Ewald Terpetschnig
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Patent number: 8088868Abstract: 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.Type: GrantFiled: December 13, 2007Date of Patent: January 3, 2012Assignee: Bridgestone CorporationInventors: Steven Luo, Yuan-Yong Yan, Jason T. Poulton, Eiju Suzuki
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Patent number: 8058357Abstract: A method for preparing a tire tread, the method comprising vulcanizing a vulcanizable composition comprising a rubber component including a functionalized polymer and a cure system, where the cure system includes sulfur and a disulfide compound represented by the formula I R1—S—S—R3—S—S—R2 where R3 represents a divalent organic group and R1 and R2 each independently include a monovalent organic group including a nitrogen atom.Type: GrantFiled: December 31, 2008Date of Patent: November 15, 2011Assignee: Bridgestone CorporationInventors: Amy Randall, Terrence E. Hogan, William L. Hergenrother
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Publication number: 20110262991Abstract: Water soluble polymers having formula I: Y-(L1)ni-(C(O))n2—(R1)n3—R2 are claimed. The polymers may contain multiple water soluble, immunogenicity reducing moieties and multiple active moieties. The polymers may be linked to a protein, or a peptide having up to twelve amino acids.Type: ApplicationFiled: May 18, 2009Publication date: October 27, 2011Inventors: Krishnaswami Raja, Wei Shi, Sukanta Dolai, Saadyah Averick, William L'Amoreaux, Probal Banerjee
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Patent number: 8039546Abstract: This invention provides a modified natural rubber latex formed by charging a polar group-containing mercapto compound into a natural rubber latex to add the polar group-containing mercapto compound to a natural rubber molecule in the natural rubber latex, a modified natural rubber formed by coagulating and drying the modified natural rubber latex, and the rubber composition using the modified natural rubber and being excellent in the low loss factor, wear resistance and fracture characteristics.Type: GrantFiled: November 25, 2005Date of Patent: October 18, 2011Assignee: Bridgestone CorporationInventor: Hajime Kondou
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Patent number: 8030411Abstract: Embodiments of the disclosed polymer composition comprise a first unsaturated polymer or polymer precursor, and an effective amount of a peptizer. The peptizer typically comprises a heteroaryl or a heterocyclic compound, other than morpholine as disclosed in assignee's prior applications. Disclosed polymer compositions are useful for making sports equipment, such as at least one layer of a golf ball, often a core. Because the compositions are useful for making golf balls, materials commonly known for making such golf balls can be used in combination with the polymer composition. A method for forming a golf ball also is disclosed. The method comprises providing disclosed compositions and then forming at least one component of a golf using the composition.Type: GrantFiled: December 15, 2006Date of Patent: October 4, 2011Assignee: Taylor Made Golf Company, Inc.Inventors: Hyun J. Kim, Hong G. Jeon
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Patent number: 8013073Abstract: Disclosed is a method for preparing polyolefins containing vinylidine end groups from quasiliving carbocationically terminated polyolefin polymers by contacting the quasiliving carbocationically terminated polymer with a suitable nonaromatic heterocyclic ring quenching agent and substituted derivatives thereof.Type: GrantFiled: February 16, 2006Date of Patent: September 6, 2011Assignees: Chevron Oronite Company LLC, The University of Southern MississippiInventors: Casey D. Stokes, Robson F. Storey
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Publication number: 20110187970Abstract: The present invention relates to an acrylic pressure-sensitive adhesive composition, and more particularly, to an acrylic pressure-sensitive adhesive composition capable of showing an excellent anti-static performance, and solving a transferring problem of additives and a problem concerning a balance of low-rate and high-rate peel strength, by comprising a) an acrylic copolymer including a monomer having a functional group capable of chelating with a metal salt, and a hydrophobic monomer and b) a metal salt.Type: ApplicationFiled: January 13, 2009Publication date: August 4, 2011Applicant: LG CHEM, LTD.Inventors: No Ma Kim, Jae Gwan Lee, An Na Lee
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Publication number: 20110160323Abstract: The invention provides a composition comprising an ethylene/?-olefin/non-conjugated diene interpolymer, which has the following properties: an Mz(abs)/Mz(Conv) value greater than 1.35; an Mz(BB)/Mw(abs) value greater than 1.6; and a non-conjugated diene content less than 10 weight percent, based on the total weight of the interpolymer. The invention also provides a process for forming a crosslinked composition, said process comprising: (a) forming a polymeric admixture comprising at least the following: (A) an ethylene/?-olefin/non-conjugated diene copolymer rubber (B) which has the following properties: an Mz(abs)/Mz(Conv) value less than 1.3; an Mz(BB)/Mw(abs) value greater than 1.6, but less than 2.5; and an Mw(abs) value less than 350,000 g/mole; and (B) a coupling amount of (i) at least one poly(sulfonyl azide) or (ii) at least one peroxide; and (b) heating the resulting admixture to a temperature at least the decomposition temperature of the crosslinking agent.Type: ApplicationFiled: September 16, 2009Publication date: June 30, 2011Applicant: Dow Global Technologies LLCInventors: Wenbin Liang, Brian W. Walther, Gary Marchand
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Patent number: 7968652Abstract: The present invention provides a modified conjugated diene polymer that is prepared by polymerization of a conjugated diene compound using a catalyst containing a lanthanoid rare earth element compound in an organic solvent and then modifying the resulting polymer having an active organic metal site with a modifier, wherein the modification efficiency is not less than 15% and the cis-1,4 bond content in the conjugated diene moiety measured by Fourier transform infrared spectroscopy satisfies the relationship (I): cis-1,4 bond content?98.00(%)??(I), or the modification efficiency is not less than 75% and the cis-1,4 bond content in the conjugated diene moiety measured by Fourier transform infrared spectroscopy satisfies the relationship (II): 94.00(%)?cis-1,4 bond content<98.00(%)??(II).Type: GrantFiled: April 17, 2006Date of Patent: June 28, 2011Assignee: Bridgestone CorporationInventors: Junko Kurazumi, Eiju Suzuki, Yoichi Ozawa
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Patent number: 7964110Abstract: The instant invention is a cure system for halogenated elastomer compositions, a curable halogenated elastomer composition, and a method for curing a halogenated elastomer composition. The cure system for halogenated elastomer compositions includes a polymercapto crosslinking agent, an inorganic base, and a hydrated salt selected from the group consisting of lithium citrate, trilithium citrate pentahydrate, trilithium citrate tetrahydrate, and monolithium dihydrogen citrate monohydrate. The curable halogenated elastomer composition includes a chlorinated elastomer, and a cure system including a polymercapto crosslinking agent, an inorganic base, and a hydrated salt selected from the group consisting of lithium citrate, trilithium citrate pentahydrate, trilithium citrate tetrahydrate, and monolithium dihydrogen citrate monohydrate.Type: GrantFiled: August 21, 2007Date of Patent: June 21, 2011Assignee: Dow Global Technologies LLCInventors: Raymond L. Laakso, Jr., Gary R. Marchand
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Publication number: 20110061179Abstract: Disclosed are cationic polymeric dye with a hue value of h=210° to 330° comprising: a) a polymer backbone, b) a residue of an organic dye, and c) optionally colorless organic groups, wherein (b) and (c) are covalently bound to the polymer backbone (a), and wherein the cationic charges can independently be part of the dye or the colorless organic groups. The dyes are distinguished by their depth of shade and their good fastness properties to washing, such as, for example, fastness to light, shampooing and rubbing.Type: ApplicationFiled: January 7, 2009Publication date: March 17, 2011Applicant: BASF SEInventors: Christian Cremer, Sophie Marquais-Bienewald, Olof Wallquist, Beate Frohling
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Patent number: 7879952Abstract: 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.Type: GrantFiled: December 19, 2006Date of Patent: February 1, 2011Assignee: Bridgestone CorporationInventors: Steven Luo, Ryuji Nakagawa, Jason T. Poulton, Eiju Suzuki, Yuan-Yong Yan
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Publication number: 20110009569Abstract: A composition and method of making having a perfluoroelastomer gum with a nitrogen-containing cure site and an end group represented by —CF3—CF2H, —CFH2, and/or —CH3, and having a low carbonyl-containing end group ratio, which yield cured fluoroelastomers with improved retained sealing force and articles therefrom.Type: ApplicationFiled: February 2, 2009Publication date: January 13, 2011Inventors: Werner M. A. Grootaert, Kai H. Lochhaas
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Patent number: 7863389Abstract: 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 salt compound of a carboxylic acid group-containing disulfide having the formula (I): and (C) 0.1 to 10 parts by weight of, as a vulcanization agent, a cyclic sulfide compound having the formula (V): wherein R is a substituted or unsubstituted C2-C20 alkylene group, a substituted or unsubstituted C2-C20 oxyalkylene group or an aromatic ring-containing alkylene group, x is an integer of 2-6 on average and n is an integer of 1-30.Type: GrantFiled: August 8, 2007Date of Patent: January 4, 2011Assignee: The Yokohama RubberInventors: Yongcheng Jin, Wonmun Choi
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Publication number: 20100230638Abstract: The present invention aims to provide a sealant for one drop fill process, having an excellent pot life, hardly contaminating a liquid crystal, making it possible to produce a liquid crystal display device with high quality display images, and also provide a transfer material and a liquid crystal display element. A sealant for one drop fill process which comprises a (meth)acrylic resin and/or a cyclic ether group-containing resin, and a heat-curing agent having a structure represented by the following general formula (1): in the formula (1), X represents a structure represented by (CHR)n, R represents OH and/or H, and n represents an integer of 0 to 3.Type: ApplicationFiled: March 28, 2007Publication date: September 16, 2010Inventor: Masanori Matsuda