Heterocyclic Ring Contains Sulfur And Nitrogen Atoms Patents (Class 525/349)
  • Patent number: 9718924
    Abstract: Disclosed is a block copolymer of the formula: A-B-A (I) or A-B (II), wherein block A is: (i) a polymer of allyl glycidyl ether or (ii) a polymer of allyl glycidyl ether wherein one more of the allyl groups have been replaced with 1,2-dihydroxypropyl group or a group of the formula: —(CH2)a—S—(CH2)b—X, wherein a, b, and X are defined herein. The block copolymers find use as wetting agents in the preparation of porous membranes from aromatic hydrophobic polymers such as polyethersulfone. Also disclosed are methods of preparing such block copolymers and porous membranes therefrom.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: August 1, 2017
    Assignee: Pall Corporation
    Inventors: Hassan Ait-Haddou, Frank Onyemauwa
  • Patent number: 9118019
    Abstract: The present invention relates to heterocyclic radicals or diradicals, the dimers, oligomers, polymers, dispiro compounds and polycycles thereof, to the use thereof, to organic semiconductive materials and to electronic and optoelectronic components.
    Type: Grant
    Filed: February 16, 2012
    Date of Patent: August 25, 2015
    Assignee: NOVALED AG
    Inventors: Michael Limmert, Olaf Zeika, Martin Amman, Horst Hartmann, Ansgar Werner
  • Publication number: 20150099852
    Abstract: Disclosed herein are metallated aminosilane compounds for use as functional initiators in anionic polymerizations and processes for producing an aminosilane-functionalized polymer using the metallated aminosilane compounds to initiate anionic polymerization of at least one type of anionically polymerizable monomer. Preferred use of the metallated aminosilane compounds results in rubber compositions for use in tires comprising an aminosilane functionalized polymer. A telechelic polymer may result from use of the metallated aminosilane compound and a functional terminator.
    Type: Application
    Filed: December 15, 2014
    Publication date: April 9, 2015
    Applicant: BRIDGESTONE CORPORATION
    Inventors: David F. Lawson, Terrence E. Hogan, Christine Rademacher, David M. Roggeman, Fuminori Ota
  • Patent number: 8859653
    Abstract: Provided is a rubber-steel cord composite which is excellent in workability and which is markedly excellent in tensile characteristics, an adhesive property after vulcanization for a short time and a heat resistant adhesive property. The rubber-steel cord composite has such a constitution that a steel cord which has a brass-plated layer on a peripheral surface thereof and in which a content of phosphorus contained in the form of oxide in a wire surface layer region extending from a surface of the above brass-plated layer up to a depth of 5 nm in a wire radial direction toward the inside is 1.5 atomic % or less is adjacent to a rubber composition containing a rubber component, sulfur and a sulfeneamide base vulcanization accelerator represented by the following Formula (I): wherein R1, R2, R3, R4, R5, R6; x and n are as defined in the specification.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: October 14, 2014
    Assignee: Bridgestone Corporation
    Inventor: Yoshitaka Satou
  • Patent number: 8846816
    Abstract: The invention relates to a process and an apparatus for the preparation of a crosslinkable rubber mixture for vehicle tires, lines, drive belts and other industrial rubber articles, which can be carried out at least semicontinuously. The present invention is based on the discovery that the experiments known from the prior art to carry out the batchwise process usually used at least partly continuously have failed in particular because of the problem that the crosslinking agents have to be mixed rapidly and homogeneously with the base mixture, also referred to as rubber base mixture, without the mixture consisting of the base mixture and the crosslinking agents heating up too strongly. According to the invention, attention was therefore focussed on reliably mixing the base mixture homogeneously with the crosslinking agents and minimizing the mixing time. A first measure for achieving the desired aim consists in first mixing the crosslinking agents with one another before they are mixed with the base mixture.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: September 30, 2014
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Anno Borkowsky, Andreas Schröder, Hans-Martin Issel, Florian Fischer, Reinhard Uphus
  • Patent number: 8796387
    Abstract: It is to provide a high-elasticity rubber composition having a good workability while preventing the deterioration of rubber properties and capable of reducing rubber burning as far as possible by using a vulcanization accelerator having a retarding effect equal to or more than that of DCBS without using a retarder such as CTP possibly causing the deterioration of rubber properties after the vulcanization and problems such as blooming and the like and capable of realizing a higher elasticity and excellent low heat-buildup. The rubber composition according to the invention is characterized by comprising a rubber component, a sulfenamide-based vulcanization accelerator represented by a formula (I), a bismaleimide derivative represented by a formula (II) and sulfur.
    Type: Grant
    Filed: August 17, 2009
    Date of Patent: August 5, 2014
    Assignee: Bridgestone Corporation
    Inventor: Yoshitaka Satou
  • Publication number: 20140187711
    Abstract: A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer to form a reactive polymer, and (ii) reacting the reactive polymer with an unsaturated heterocycle containing an azolinyl group.
    Type: Application
    Filed: December 27, 2013
    Publication date: July 3, 2014
    Inventors: Steven LUO, Joshua P. ABELL, Joshua S. DICKSTEIN
  • Patent number: 8759449
    Abstract: The invention relates to a wiper rubber for windshield wipers, which contains at least one rubber component that is cured by vulcanization, the material of the wiper rubber containing, at least in the unvulcanized state, a combination of a cross-linking agent with sulfur and/or with a sulfur donor.
    Type: Grant
    Filed: November 11, 2008
    Date of Patent: June 24, 2014
    Assignee: Robert Bosch GmbH
    Inventors: Eric Pieters, Reiner Lay, Harald Kleinknecht, Hilde Parton
  • Patent number: 8609252
    Abstract: A rubber composition comprises a rubber component, sulfur and a sulfeneamide base vulcanization accelerator represented by the following Formula (I), and has an excellent adhesive property with metal such as a steel cord without bringing about problems such as deteriorating in the physical properties and blooming of rubber after vulcanization. (wherein R1 represents a branched alkyl group having 3 to 12 carbon atoms; R2 represents a linear alkyl group having 1 to 10 carbon atoms or a branched alkyl group having 3 to 10 carbon atoms; x represents an integer of 1 or 2, and n represents an integer of 0 or 1).
    Type: Grant
    Filed: December 26, 2008
    Date of Patent: December 17, 2013
    Assignee: Bridgestone Corporation
    Inventor: Yoshitaka Satou
  • Patent number: 8609251
    Abstract: The rubber composite was fabricated by use of direct vulcanization adhesion method with a sulfenamide-based vulcanization accelerators, and the sulfenamide-based vulcanization accelerator is used for a rubber composite using a sulfenamide compound as a vulcanization accelerator, the adhesion properties of the steel cord/rubber adhesion boundary surface and the anti-scorch properties can be achieved simultaneously, the sulfenamide-based vulcanization accelerator being such that the bond order between an amine generated form the sulfenamide compound and a surface of a metal material is zero, and the distance of the S—N (amine moiety) bond of the sulfenamide compound is less than 1.67 ?, and the electric charge on N of the amine radical generated as a result of dissociation of the S—N bond is ?0.295 or less.
    Type: Grant
    Filed: September 11, 2009
    Date of Patent: December 17, 2013
    Assignee: Bridgestone Corporation
    Inventors: Masashi Ohtsuki, Yoshitaka Sato
  • Patent number: 8541509
    Abstract: 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: Grant
    Filed: December 2, 2011
    Date of Patent: September 24, 2013
    Assignee: Bridgestone Corporation
    Inventors: Steven Luo, Yuan-Yong Yan, Jason T. Poulton, Eiju Suzuki
  • Patent number: 8420220
    Abstract: A rubber composition comprising 0.3 to 10 parts by mass of sulfur and 0.1 to 10 parts by mass of a sulfeneamide base vulcanization accelerator represented by the following Formula (I) based on 100 parts by mass of a rubber component: (wherein R1 to R10 are a hydrogen atom, a linear alkyl group having 1 to 4 carbon atoms or a branched alkyl group having 3 to 4 carbon atoms, and they may be the same or different; R11 is a hydrogen atom, a linear alkyl group having 1 to 10 carbon atoms or a branched alkyl group having 3 to 10 carbon atoms; R12 to R15 are a hydrogen atom, a linear alkyl group or alkoxy group having 1 to 4 carbon atoms or a branched alkyl group or alkoxy group having 3 to 4 carbon atoms, and they may be the same or different; and x represents an integer of 1 or 2).
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: April 16, 2013
    Assignee: Bridgestone Corporation
    Inventor: Yoshitaka Satou
  • Patent number: 8252870
    Abstract: 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: Grant
    Filed: August 21, 2007
    Date of Patent: August 28, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: Raymond L. Laakso, Jr., Gary R. Marchand
  • Patent number: 8207275
    Abstract: A functionalized polymer defined by the formula ?-R1-?, where ? is a polymer chain, R1 is a bond or a divalent organic group, and ? is a sulfur-containing heterocycle.
    Type: Grant
    Filed: May 24, 2010
    Date of Patent: June 26, 2012
    Assignee: Bridgestone Corporation
    Inventors: Terrence E. Hogan, Christine Rademacher, William Hergenrother, David F. Lawson
  • Publication number: 20120141810
    Abstract: The rubber composite was fabricated by use of direct vulcanization adhesion method with a sulfenamide-based vulcanization accelerators, and the sulfenamide-based vulcanization accelerator is used for a rubber composite using a sulfenamide compound as a vulcanization accelerator, the adhesion properties of the steel cord/rubber adhesion boundary surface and the anti-scorch properties can be achieved simultaneously, the sulfenamide-based vulcanization accelerator being such that the bond order between an amine generated form the sulfenamide compound and a surface of a metal material is zero, and the distance of the S—N (amine moiety) bond of the sulfenamide compound is less than 1.67 ?, and the electric charge on N of the amine radical generated as a result of dissociation of the S—N bond is ?0.295 or less.
    Type: Application
    Filed: September 11, 2009
    Publication date: June 7, 2012
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Masashi Ohtsuki, Yoshitaka Sato
  • Publication number: 20120077941
    Abstract: 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: Application
    Filed: December 2, 2011
    Publication date: March 29, 2012
    Inventors: Steven Luo, Yuan-Yong Yan, Jason T. Poulton, Eiju Suzuki
  • Patent number: 8088868
    Abstract: 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: Grant
    Filed: December 13, 2007
    Date of Patent: January 3, 2012
    Assignee: Bridgestone Corporation
    Inventors: Steven Luo, Yuan-Yong Yan, Jason T. Poulton, Eiju Suzuki
  • Patent number: 8080605
    Abstract: 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: Grant
    Filed: December 28, 2006
    Date of Patent: December 20, 2011
    Assignee: Bridgestone Corporation
    Inventors: Yasuo Fukushima, William L. Hergenrother, Russell W. Koch
  • Publication number: 20110294959
    Abstract: A non-leaching mediator may include a polymer having a polymeric backbone, and a plurality of phenothiazine groups bonded to the polymeric backbone. The plurality of phenothiazine groups may include at least one of a phenothiazine group having the general formula (IV): and salts thereof, where n is about 9 and “R” represents the polymeric backbone to which the phenothiazine group is bonded, and a phenothiazine group having the general formula (V): and salts thereof, where n is about 9 and “R” represents the polymeric backbone to which the phenothiazine group is bonded.
    Type: Application
    Filed: May 26, 2011
    Publication date: December 1, 2011
    Applicant: BAYER HEALTHCARE LLC
    Inventors: Jiangfeng Fei, William Chiang, Frank Kerrigan, Stuart Green, Craig Robson, Howard Easterfield
  • Patent number: 8063154
    Abstract: Provided herein are methods for preparing a polyolefin containing one or more exo-olefinic end groups on the polyolefin chain, comprising quenching an ionized polyolefin with an alkoxysilane or an ether. In some embodiments, the methods are represented by the following scheme: In some embodiments, the alkoxysilane or ether compound has the formula: wherein Y is carbon or silicon; R1 is hydrocarbyl; and R2-R4 are each, independently, hydrogen or hydrocarbyl.
    Type: Grant
    Filed: June 24, 2008
    Date of Patent: November 22, 2011
    Assignee: The University of Southern Mississippi
    Inventors: Robson F. Storey, Lisa K. Kemp
  • Publication number: 20110216392
    Abstract: The present invention relates to the preparation and use of (colored) organic particles carrying electric charge as electrophoretic (image) displaying particles, to electrophoretic dispersions comprising the organic particles carrying electric charge, electrophoretic (image) devices (especially displays) comprising the colored organic particles carrying electric charge, to the novel functionalized particles, and to their use. The particles are obtainable according to a method represented by the reaction scheme as given in FIG. 1.
    Type: Application
    Filed: June 25, 2007
    Publication date: September 8, 2011
    Inventors: Gabriele Baisch, Reinhold Öhrlein, Peter Simmendinger, Gerardus De Keyzer, Margherita Fontana, Vilas N. Mumbaikar
  • Patent number: 8013073
    Abstract: 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: Grant
    Filed: February 16, 2006
    Date of Patent: September 6, 2011
    Assignees: Chevron Oronite Company LLC, The University of Southern Mississippi
    Inventors: Casey D. Stokes, Robson F. Storey
  • Patent number: 7964110
    Abstract: 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: Grant
    Filed: August 21, 2007
    Date of Patent: June 21, 2011
    Assignee: Dow Global Technologies LLC
    Inventors: Raymond L. Laakso, Jr., Gary R. Marchand
  • Publication number: 20110061179
    Abstract: 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: Application
    Filed: January 7, 2009
    Publication date: March 17, 2011
    Applicant: BASF SE
    Inventors: Christian Cremer, Sophie Marquais-Bienewald, Olof Wallquist, Beate Frohling
  • Publication number: 20110034638
    Abstract: A rubber composition comprises a rubber component, sulfur and a sulfeneamide base vulcanization accelerator represented by the following Formula (I), and has an excellent adhesive property with metal such as a steel cord without bringing about problems such as deteriorating in the physical properties and blooming of rubber after vulcanization. (wherein R1 represents a branched alkyl group having 3 to 12 carbon atoms; R2 represents a linear alkyl group having 1 to 10 carbon atoms or a branched alkyl group having 3 to 10 carbon atoms; x represents an integer of 1 or 2, and n represents an integer of 0 or 1).
    Type: Application
    Filed: December 26, 2008
    Publication date: February 10, 2011
    Applicant: Bridgestone Corporation
    Inventor: Yoshitaka Satou
  • Patent number: 7842758
    Abstract: The invention concerns compounds, oligomers, and polymers that contain: (I), (II), (III), or (IV) groups; where “-” indicates points of attachment.
    Type: Grant
    Filed: January 10, 2007
    Date of Patent: November 30, 2010
    Assignee: The Trustees Of The University Of Pennsylvania
    Inventors: Michael J. Therien, Kimihiro Susumu
  • Patent number: 7750088
    Abstract: The instant invention is an improved cure system composition and a method for curing chlorinated elastomer compositions. The cure system composition includes a polymercapto crosslinking agent, an inorganic base, and a quaternary ammonium salt. The quaternary ammonium salt has a formula selected from the group consisting of wherein R1 is an alkyl or aryl group containing between 4 and 12 carbon atoms; wherein R2 and R3 are independently alkyl or aryl groups containing between 1 and 8 carbon atoms; wherein the total number of carbon atoms on R2 and R3 are between 3 and 9; wherein R4 and R5 are methyl groups, and R6 is an alkyl group containing between 2 and 8 carbon atoms; and wherein X is an anion.
    Type: Grant
    Filed: March 10, 2006
    Date of Patent: July 6, 2010
    Assignee: Dow Global Technologies
    Inventors: Raymond L. Laakso, Jr., Gary R. Marchand
  • Patent number: 7745543
    Abstract: The instant invention is an improved cure system composition and a method for curing chlorinated elastomer compositions. The cure system composition includes a polymercapto crosslinking agent; an inorganic base; and an onium salt. The onium salt has a formula selected from the group consisting of wherein Z is a nitrogen or phosphorous atom, R1 to R4 are independently alkyl or aryl groups containing between 2 and 8 carbon atoms, and the total number of carbon atoms on R1-R4 is between 10 and 14; wherein R5 and R6 are alkyl groups containing between 1 and 8 carbon atoms, and the total number of carbon atoms on R5-R6 being between 5 and 9; and wherein X is an anion.
    Type: Grant
    Filed: February 22, 2006
    Date of Patent: June 29, 2010
    Assignee: Dow Global Technologies Inc.
    Inventors: Raymond L. Laakso, Jr., Gary R. Marchand
  • Patent number: 7741409
    Abstract: The instant invention is an improved cure system composition and a method for curing chlorinated elastomer compositions. The cure system composition includes a polymercapto crosslinking agent; an inorganic base; and an onium salt. The onium salt has a formula selected from the group consisting of formula (I) and formula (II); wherein Z is a nitrogen or phosphorous atom, R1 to R4 are independently alkyl or aryl groups containing between 2 and 8 carbon atoms, and the total number of carbon atoms on R1-R4 is between 10 and 14; wherein R5 and R6 are alkyl groups containing between 1 and 8 carbon atoms, and the total number of carbon atoms on R5-R6 being between 5 and 9; and wherein X is an anion.
    Type: Grant
    Filed: February 22, 2006
    Date of Patent: June 22, 2010
    Assignee: Dow Global Technologies Inc.
    Inventors: Raymond L. Laakso, Jr., Gary R. Marchand
  • Patent number: 7723440
    Abstract: A functionalized polymer defined by the formula ?-R1-?, where ? is a polymer chain, R1 is a bond or a divalent organic group, and ? is a sulfur-containing heterocycle.
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: May 25, 2010
    Assignee: Bridgestone Corporation
    Inventors: Terrence E. Hogan, Christine Rademacher, William Hergenrother, David F. Lawson
  • Patent number: 7612149
    Abstract: The instant invention is an improved cure system composition and a method for curing chlorinated elastomer compositions. The cure system composition includes a polymercapto crosslinking agent, an inorganic base, and a quaternary ammonium salt. The quaternary ammonium salt has a formula selected from the group consisting of wherein R1 is an alkyl or aryl group containing between 4 and 12 carbon atoms; wherein R2 and R3 are independently alkyl or aryl groups containing between 1 and 8 carbon atoms; wherein the total number of carbon atoms on R2 and R3 are between 3 and 9; wherein R4 and R5 are methyl groups, and R6 is an alkyl group containing between 2 and 8 carbon atoms; and wherein X is an anion.
    Type: Grant
    Filed: March 10, 2006
    Date of Patent: November 3, 2009
    Assignee: Dow Global Technologies Inc.
    Inventors: Raymond L. Laakso, Jr., Gary R. Marchand
  • Patent number: 7501476
    Abstract: 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 azole quenching agent and substituted derivatives thereof.
    Type: Grant
    Filed: February 16, 2006
    Date of Patent: March 10, 2009
    Assignees: Chevron Oronite Company, LLC, The University of Southern Mississippi
    Inventors: Casey D. Stokes, Robson F. Storey
  • Publication number: 20080300368
    Abstract: The object of the present invention is provide a rubber composition for coating a tire cord, which improves adhesion with a tire cord and has an effect of recovering adhesion with a tire cord at hygrothermal aging with maintaining the initial vulcanization rate. The present invention relates to a rubber composition for coating a tire cord comprising 0.7 to 3 parts by weight of benzothiazolyl sulfenamide or benzothiazolyl sulfenimide represented by the chemical formula (1): (wherein R1 is a linear alkyl group having a branched structure of 3 to 16 carbon atoms, and R2 is a linear alkyl group having a branched structure of 3 to 16 carbon atoms or a benzothiazolyl sulfide group) and 3 to 7 parts by weight of sulfur based on 100 parts by weight of a rubber component containing at least 60% by weight of a natural rubber and/or an isoprene rubber.
    Type: Application
    Filed: May 30, 2008
    Publication date: December 4, 2008
    Applicant: Sumitomo Rubber Industries, Ltd.
    Inventor: Tatsuya Miyazaki
  • Patent number: 7439309
    Abstract: Disclosed is a silver halide photographic light-sensitive material, which has at least one polymer compound having a nitrogen-containing aromatic ring having a mercapto group represented by the formula Z-SH wherein Z represents a nitrogen-containing aromatic ring as a partial structure. This silver halide photographic light-sensitive material can stably contain silver halide grains of a high aspect ratio showing high sensitivity and superior planarity, shows superior pressure resistance and can be stably prepared.
    Type: Grant
    Filed: March 22, 2005
    Date of Patent: October 21, 2008
    Assignee: Fujifilm Corporation
    Inventors: Terukazu Yanagi, Makiko Yokoi, Mamoru Sakurazawa, Yoshihisa Tsukada, Seiji Hatano
  • Publication number: 20080146745
    Abstract: 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: Application
    Filed: December 13, 2007
    Publication date: June 19, 2008
    Inventors: Steven Luo, Yuan-Yong Yan, Jason T. Poulton, Eiju Suzuki
  • Patent number: 7339007
    Abstract: A process for forming an ene reaction product wherein an enophile, such as maleic anhydride, is reacted with reactive polyalkene having a terminal vinylidene content of at least 30 mol. %, at high temperature in the presence of a free radical inhibitor. The polyalkenyl acylating agents are useful per se as additives in lubricating oils, functional fluids, and fuels and also serve as intermediates in the preparation of other products (e.g., succinimides) useful as additives in lubricating oils, functional fluids, and fuels. The presence of the free radical inhibitor during the high temperature reaction results in a reaction product that is low, or substantially free from sediment.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: March 4, 2008
    Assignee: Infineum International Limited
    Inventors: Matthew David Irving, Robert William Shaw, Jeremy Roger Spencer, Jacob Emert
  • Patent number: 7241843
    Abstract: A rubber composition for a tread optimizing a vulcanization speed in a vulcanization step and, further, improving heat aging resistance is provided. A rubber composition for a tread comprising 20 to 90 parts by weight of silica, 0.5 to 2 parts by weight of (A) a guanidine vulcanization accelerator, 0.1 to 0.5 part by weight of (B) a thiuram vulcanization accelerator, and 0.5 to 2 parts by weight of (C) a sulfenamide vulcanization accelerator represented by the general formula (1): (wherein R is a linear alkyl group or a branched alkyl group having 1 to 18 carbons), based on 100 parts by weight of a rubber component.
    Type: Grant
    Filed: June 5, 2006
    Date of Patent: July 10, 2007
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventor: Tatsuya Miyazaki
  • Patent number: 7202307
    Abstract: A sulfur curing system EPDM composition in which one or more types of vulcanization accelerators selected from thiazole type and sulfenamide type accelerators and one or more types of vulcanization accelerators selected from dithiocarbamate type and thiuram type accelerators are combined together so as to be compounded into the EPDM composition as a vulcanization accelerator, and an automotive brake system rubber component made of the EPDM composition.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: April 10, 2007
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Hidekazu Kurimoto, Kiyomitsu Terashima, Hidenori Hayashi, Yasushi Nakahara
  • Patent number: 6841620
    Abstract: The present invention includes a composition comprising a coupled impact propylene copolymer. Preferably, the coupled impact propylene copolymer has an elastomeric phase that is present in an amount of at least 9 weight percent of the coupled propylene copolymer. Articles formed from the coupled propylene copolymer exhibit improved directionally balanced impact properties as compared with articles formed form comparable noncoupled impact propylene copolymers and also exhibit improved ductile-to-brittle transition temperatures compared with comparable noncoupled impact propylene copolymers. The invention also includes methods for making the coupled impact propylene copolymers using coupling agents, preferably, poly(sulfonyl azides). The invention further includes articles of manufacture that are made from the coupled impact propylene copolymer of the invention.
    Type: Grant
    Filed: October 25, 2002
    Date of Patent: January 11, 2005
    Assignee: Dow Global Technologies Inc.
    Inventors: Patricia Ansems, H. Craig Silvis, Lisa S. Madenjian
  • Patent number: 6838526
    Abstract: A novel modified conjugated diene polymer is obtained by polymerizing a conjugated diene compound with a specified catalyst consisting of components (a)-(c) and then reacting with at least one specified compound selected from the group consisting of components (d)-(l), and has a content of cis-1,4-bond of not less than 85% and a ratio of weight average molecular weight to number average molecular weight of not more than 4. And also, a rubber composition comprises the modified conjugated diene polymer a rubber ingredient.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: January 4, 2005
    Assignees: JSR Corporation, Bridgestone Corporation
    Inventors: Takuo Sone, Ryouji Tanaka, Kouichirou Tani, Iwakazu Hattori, Hiroshi Akema, Atsushi Nakayama
  • Patent number: 6825275
    Abstract: A rubber composition for adhering to steel cords, having excellent heat-resistant adhesion and moist heat-resistant adhesion, as well as initial adhesion, and performance at a level comparable to or higher than that of the related art in resistance to rubber fracture, is made from components (A) and (B), which are blended to 100 weight parts of rubber components containing natural rubber and/or diene synthetic rubber, wherein component (A) is a mixture of a compound containing nickel and a compound containing molybdenum; or a compound containing nickel and molybdenum simultaneously, in a metal-converted amount of 0.01 to 10 weight parts; and component (B) is a mixture of (b1), which is 0.2 to 20 weight parts of hexamethylenetetramine or a melamine derivative, and (b2), which is 0.1 to 10 weight parts of at least one selected from the group consisting of phenol resins, resorcin, resorcin derivatives, and cresol resins.
    Type: Grant
    Filed: May 24, 2001
    Date of Patent: November 30, 2004
    Assignee: Toyo Tire & Rubber Co., Ltd.
    Inventors: Seiji Hatano, Hirofumi Hayashi
  • Patent number: 6753383
    Abstract: A process for reducing free aldehydes in dispersions, suspensions, emulsions and solutions which comprises including therein thioamine compound of the formula IV and optionally a thioamine of the formula III: where R1 is a C1-5 alkyl radical, an aryl radical or hydrogen, R2 is —(COO)a —E or —(CONH)a—E where a is 0 or 1 and E, R3, R4, and R5 are independently R4 and R5 together containing at least one carbon atom, and n being 0 or 1.
    Type: Grant
    Filed: December 6, 2001
    Date of Patent: June 22, 2004
    Assignee: Consortium fuer Elektrochemische Industrie GmbH
    Inventors: Oliver Schaefer, Juergen Stohrer, Wolfgang Doering
  • Patent number: 6593432
    Abstract: A sulfur vulcanizing system rubber composition comprises EPDM, zinc as a vulcanization accelerator activator, at least one thiazole type vulcanization accelerator serving to control the dissolution of zinc from the composition, and at least one ultra-accelerator of the thiuram or dithiocarbamate type, these accelerators being preferably combined under specified quantitative limitations. The hose using this rubber composition is particularly suitable for use in a cooling system for an automobile engine, since the dissolution of zinc into a coolant is prevented, thereby preventing the formation of any zinc compound causing the blocking of the hose, or the leakage of the coolant through the seal between the hose and any pipe connected therewith.
    Type: Grant
    Filed: July 27, 2000
    Date of Patent: July 15, 2003
    Assignee: Tokai Rubber Industries, Ltd.
    Inventors: Ayumu Ikemoto, Eiichi Daikai, Koji Senda
  • Patent number: 6534584
    Abstract: This invention relates to a conjugated diene-based rubber composition reinforced with silica-based reinforcement together with a composite of carbon black supported non-silane coupling agent as 1-thioglycerol(3-mercapto-1,2-propanediol) and exclusive of 2,2′-benzothiazyl disulfide. The invention includes an article of manufacture, including a tire, having at least one component comprised of such rubber composition.
    Type: Grant
    Filed: January 8, 2001
    Date of Patent: March 18, 2003
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Lawson Gibson Wideman, Kevin James Pyle, Richard Robinson Smith, Paul Harry Sandstrom
  • Publication number: 20020123573
    Abstract: Polymers coupled by reaction with coupling agents according to the practice of the invention advantageously have at least one of these desirable properties and preferably have desirable combinations of these properties. The present invention includes a process of preparing a coupled polymer comprising heating an admixture containing (1) at least one elastomer comprising ethylene and at least one comonomer which is selected from alpha olefins having at least 3 carbon atoms, dienes and combinations thereof and (2) a coupling amount at least one poly(sulfonyl azide) to at least the decomposition temperature of the poly(sulfonyl azide) for a period sufficient for decomposition of at least about 80 weight percent of the poly(sulfonyl azide) and sufficient to result in a coupled polymer having a gel content of less than about 2 weight percent.
    Type: Application
    Filed: October 29, 2001
    Publication date: September 5, 2002
    Inventors: Wendy D. Hoenig, Teresa Karjala, Che-I Kao, Clark H. Cummins, Michael J. Mullins, H. Craig Silvis, Thoi H. Ho
  • Patent number: 6441089
    Abstract: Water-soluble polymers including functionalization from the group of amino groups, carboxylic acid groups, phosphonic acid groups, phosphonic ester groups, acylpyrazolone groups, hydroxamic acid groups, aza crown ether groups, oxy crown ethers groups, guanidinium groups, amide groups, ester groups, aminodicarboxylic groups, permethylated polvinylpyridine groups, permethylated amine groups, mercaptosuccinic acid groups, alkyl thiol groups, and N-alkylthiourea groups are disclosed.
    Type: Grant
    Filed: April 6, 1999
    Date of Patent: August 27, 2002
    Assignee: The Regents of the University of California
    Inventors: Barbara F. Smith, Thomas W. Robison, Joel W. Gohdes
  • Patent number: 6346577
    Abstract: The heat-resistant rubber composition of the invention is a vulcanizable composition comprising 100 parts by weight of a specific ethylene-&agr;-olefin-nonconjugated polyene copolymer rubber (A) composed of ethylene, an &agr;-olefin or 3 to 20 carbon atoms and a nonconjugated polyene which is a vinyl end group-containing norbornene compound, 0.2 to 5 parts by weight of an amine type anti-aging agent (C) and/or a hindered phenol type anti-aging agent (D), 1 to 10 parts by weight of a sulfur type anti-aging agent (E) and an organic peroxide (B). This heat-resistant rubber composition can provide a vulcanized rubber molded product showing not only excellent mechanical properties and electrical properties and but also prominently high thermal aging resistance.
    Type: Grant
    Filed: February 28, 2000
    Date of Patent: February 12, 2002
    Assignee: Mitsui Chemicals INC
    Inventors: Takashi Hakuta, Tetsuo Tojo, Masaaki Kawasaki, Mikio Hosoya
  • Patent number: 6330897
    Abstract: A pneumatic tire formed by using a rubber composition comprising a vulcanization accelerator represented by the following general formula: wherein R1 represents a hydrogen atom, an alkyl group, or an aryl group, and R2 represents an alkyl group or an aryl group when R1 represents a hydrogen atom, and represents a hydrogen atom, an alkyl group, or an aryl group when R1 represents an alkyl group or an aryl group, in an amount of 0.2 to 8.0 parts by weight per 100 parts by weight of a rubber component. A pneumatic tire which maintains low rolling resistance and is improved to prevent resistance to ply-end separation throughout the entire term of tire use, a pneumatic tire which shows excellent controllability and durability in the last stage of tire use, and a pneumatic tire which prevents heat aging of belt layers and a decrease in the adhesion of steel cord with a rubber composition and shows excellent durability are provided.
    Type: Grant
    Filed: July 11, 1997
    Date of Patent: December 18, 2001
    Assignee: Bridgestone Corporation
    Inventors: Shun Nakamura, Yuichi Nishimaki, Eiji Yamanaka
  • Patent number: 6265478
    Abstract: The present application relates to polymeric resinous material comprising (1) from 5 to 70 weight percent units derived from limonene; (2) from 5 to 70 weight percent units derived from dicyclopentadiene; (3) from 5 to 45 weight percent units derived from indene; and (4) from 5 to 45 weight percent units derived from alpha-methyl styrene; wherein the sum of the weight percent units derived from limonene and dicyclopentadiene range from 40 to 75 weight percent units of the resin and the sum of the weight percent units derived from indene and alpha-methyl styrene range from 25 to 60 weight percent units of the resin.
    Type: Grant
    Filed: August 18, 1999
    Date of Patent: July 24, 2001
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Mark Leslie Kralevich, Jr., Edward John Blok, Lawson Gibson Wideman, Paul Harry Sandstrom
  • Patent number: RE37527
    Abstract: A heat-resistant rubber composition of the invention is a vulcanizable composition comprising a specific ethylene-&agr;-olefin-nonconjugated polyene copolymer rubber (A) and an organic peroxide (B). This heat-resistant composition has high crosslinking efficiency given by the organic peroxide and high modulus, and can provide a vulcanized rubber molded product of excellent resistance to environmental deterioration such as thermal aging resistance. The other heat-resistant rubber composition of the invention is a vulcanizable composition comprising 100 parts by weight of a specific ethylene-&agr;-olefin-nonconjugated polyene copolymer rubber (A) composed of ethylene, an &agr;-olefin or 3 to 20 carbon atoms and a nonconjugated polyene which is a vinyl end group-containing norbornene compound, 0.2 to 5 parts by weight of an amine type anti-aging agent (C) and/or a hindered phenol type anti-aging agent (D), 1 to 10 parts by weight of a sulfur type anti-aging agent (E) and an organic peroxide (B).
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: January 22, 2002
    Assignee: Mitsu Chemicals
    Inventors: Takashi Hakuta, Tetsuo Tojo, Masaaki Kawasaki, Mikio Hosoya