Patents by Inventor Yuan-Yong Yan

Yuan-Yong Yan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of making hydroxyaryl-functionalized interpolymer by free radical initiated polymerization
    Patent number: 9926400
    Abstract: Radical polymerization techniques can be used to polymerize monomers that include a class of hydroxyaryl compounds so as to provide polymers that exhibit desirable properties including, but not limited to, reduced hysteresis. Compositions such as vulcanizates in which such polymers can be utilized and products such as tire components that incorporate and/or are manufactured from such compositions also are provided.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: March 27, 2018
    Assignee: Bridgestone Corporation
    Inventors: Yuan-Yong Yan, Zengquan Qin, Xiao-Dong Pan
  • RUBBER COMPOSITIONS INCLUDING SILICEOUS FILLERS
    Publication number: 20180079891
    Abstract: Vulcanizates with desirable properties can be obtained from compositions incorporating polymers that include hydroxyl group-containing aryl functionalities, silica or other particulate filler(s) that contain or include oxides of silicon and a group or compound that can act to covalently bond the filler particles and the polymer. The group can be provided as a substituent of the filler particle, or a discreet compound can be provided in the composition.
    Type: Application
    Filed: November 27, 2017
    Publication date: March 22, 2018
    Applicant: Bridgestone Corporation
    Inventors: Yuan-Yong Yan, Zengquan Qin, Xiao-Dong Pan
  • Rubber compositions including siliceous fillers
    Patent number: 9868850
    Abstract: Vulcanizates with desirable properties can be obtained from compositions incorporating polymers that include hydroxyl group-containing aryl functionalities, silica or other particulate filler(s) that contain or include oxides of silicon and a group or compound that can act to covalently bond the filler particles and the polymer. The group can be provided as a substituent of the filler particle, or a discreet compound can be provided in the composition.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: January 16, 2018
    Assignee: Bridgestone Corporation
    Inventors: Yuan-Yong Yan, Zengquan Qin, Xiao-Dong Pan
  • Terminal-Functionalized Polymer And Related Methods
    Publication number: 20180002490
    Abstract: Disclosed herein are terminal-functionalized polymers functionalized with silicon-containing functionalizing agents, rubber compositions including the polymers, methods for improving the cold flow resistance of a polymer, methods for improving the filler dispersion of a silica-filled rubber composition, and processes for preparing the terminal-functionalized polymer.
    Type: Application
    Filed: December 22, 2015
    Publication date: January 4, 2018
    Applicant: Bridgestone Corporation
    Inventor: Yuan-Yong Yan
  • Improved Rubber Compositions And Uses Thereof
    Publication number: 20170240722
    Abstract: The present disclosure is directed to rubber compositions containing a chemical additive capable of generating or enhancing strain-induced crystallization into the compositions, and tires containing the rubber compositions in one or more components such as sidewalls or treads. The chemical additive is at least one fatty acid amide compound of formula (I). As well, certain embodiments relate to methods for achieving reduced wear or improved durability in a tire tread or tire sidewall by using the chemical additives.
    Type: Application
    Filed: October 15, 2015
    Publication date: August 24, 2017
    Applicant: Bridgestone Corporation
    Inventors: Amy M. Randall, Yuan-Yong Yan, Kevin M. McCauley
  • Polymers incorporating hydroxyl group-containing methylstyrene
    Patent number: 9738733
    Abstract: Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing ?-methylstyrene functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and optional terminating compounds. Such polymers exhibit excellent interactivity with both conventional and non-conventional fillers.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: August 22, 2017
    Assignee: Bridgestone Corporation
    Inventors: Zengquan Qin, Yuan-Yong Yan, Xiao-Dong Pan
  • POLYMERS INCORPORATING HYDROXYL GROUP-CONTAINING METHYLSTYRENE
    Publication number: 20170002105
    Abstract: Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing ?-methylstyrene functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and optional terminating compounds. Such polymers exhibit excellent interactivity with both conventional and non-conventional fillers.
    Type: Application
    Filed: September 14, 2016
    Publication date: January 5, 2017
    Applicant: Bridgestone Corporation
    Inventors: Zengquan Qin, Yuan-Yong Yan, Xiao-Dong Pan
  • Hairy polymeric nanoparticles with first and second shell block polymer arms
    Patent number: 9493601
    Abstract: Compositions and methods are included for preparing a hairy polymeric nanoparticle including first and second shell block polymer arms are at least partially phase-separated and surround a polymeric core. One type of polymeric arm can have a greater polarity than the other type(s) of polymeric arms. A rubber composition including the hairy nanoparticles is also provided.
    Type: Grant
    Filed: June 22, 2015
    Date of Patent: November 15, 2016
    Assignee: Bridgestone Corporation
    Inventors: Xiaorong Wang, Hideki Kitano, James Herman Pawlow, Christopher G. Robertson, Yaohong Chen, Yuan-Yong Yan
  • Hydroxyl group-containing methylstyrene and polymers incorporating same
    Patent number: 9469661
    Abstract: Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing ?-methylstyrene functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and optional terminating compounds. Such polymers exhibit excellent interactivity with both conventional and non-conventional fillers.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: October 18, 2016
    Assignee: Bridgestone Corporation
    Inventors: Zengquan Qin, Yuan-Yong Yan, Xiao-Dong Pan
  • Elastomeric Compounds Having Increased Cold Flow Resistance And Methods Producing The Same
    Publication number: 20160297913
    Abstract: Elastomeric compounds having increased cold flow resistance may be obtained by utilizing from 10-100 phr of a functionalized rubbery polymer containing specified types of functionalizing units, at least 0.01 phr of a multivalent metal organic salt and 0-90 phr of at least one additional rubbery polymer.
    Type: Application
    Filed: June 20, 2016
    Publication date: October 13, 2016
    Applicant: Bridgestone Corporation
    Inventors: Xiao-Dong Pan, Zengquan Qin, Yuan-Yong Yan
  • Interpolymers containing isobutylene and diene mer units
    Patent number: 9428619
    Abstract: This disclosure relates to a block interpolymer comprising at least one diene block and at least one butyl block, wherein the at least one butyl block comprises residue from a functionalizing agent on at least one end adjacent to the diene block(s). The disclosure also relates to methods of making such block interpolymers. Also disclosed is a rubber composition comprising: (a) a block interpolymer comprising at least one diene block and at least one butyl block, and (b) a filler, wherein said at least one butyl block comprises residue from a functionalizing agent on at least one end adjacent to said diene block(s).
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: August 30, 2016
    Assignee: Bridgestone Corporation
    Inventors: Xiaorong Wang, Yuan-Yong Yan
  • Amine functionalized polymer
    Patent number: 9382409
    Abstract: A macromolecule includes a functional group including imine functionality bonded to a polymer chain. Where desired, the functional group also can contain additional (e.g., amine and/or silane) functionality. The material can be provided by reacting a polymer including carbonyl functionality with a compound including a primary amino group. The functional group can interact with particulate filler such as, e.g., carbon black and silica.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: July 5, 2016
    Assignee: Bridgestone Corporation
    Inventor: Yuan-Yong Yan
  • Elastomeric compounds having increased cold flow resistance and methods producing the same
    Patent number: 9371434
    Abstract: Elastomeric compounds having increased cold flow resistance may be obtained by utilizing from 10-100 phr of a functionalized rubbery polymer containing specified types of functionalizing units, at least 0.01 phr of a multivalent metal organic salt and 0-90 phr of at least one additional rubbery polymer.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: June 21, 2016
    Assignee: Bridgestone Corporation
    Inventors: Xiao-Dong Pan, Zengquan Qin, Yuan-Yong Yan
  • Anionic polymerization initiators and processes
    Patent number: 9365660
    Abstract: A group of compounds defined by the general formula (I) can be used to anionically initiate polymerization of unsaturated monomers. In the formula, M is an alkali metal atom, R1 is an aryl group having at least one OR2 substituent group where each R2 is a group that is nonreactive toward M, and R is a hydrocarbyl group. The subject initiators can be used in semi-batch and continuous polymerization processes, even those which are performed at elevated temperatures.
    Type: Grant
    Filed: June 28, 2010
    Date of Patent: June 14, 2016
    Assignee: Bridgestone Corporation
    Inventors: Yuan-Yong Yan, Zengquan Qin, Xiao-Dong Pan, David M. Roggeman
  • Method of making a functionalized polymer with sulfide linkage
    Patent number: 9260540
    Abstract: A carbanionic polymer chain that contains polyene mer can be provided with a terminal functionality separated from the polymer chain by a sulfide linkage. The terminally functionalized polymer can be provided by reacting a carbanionic polyene-based polymer with an episulfide compound to provide a polymer with a terminal thiolate moiety, followed by reaction with an epoxide compound that also includes at least one other heteroatom-containing functional group.
    Type: Grant
    Filed: April 20, 2013
    Date of Patent: February 16, 2016
    Assignee: Bridgestone Corporation
    Inventor: Yuan-Yong Yan
  • Coupled polymers and methods for making same
    Patent number: 9221923
    Abstract: Carbanionic polymer chains that contain polyene mer can be coupled after being reacted to include, at their respective termini, at least one, and preferably one, unit that is the radical of a cyclic polysiloxane. The coupled polymers are useful in preparing rubber compounds from which vulcanizates are made.
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: December 29, 2015
    Assignee: Bridgestone Corporation
    Inventor: Yuan-Yong Yan
  • Stabilized multi-valent anionic polymerization initiators and methods for preparing the same
    Patent number: 9187582
    Abstract: A stabilized initiator solution comprising a multi-valent lithiated containing initiator and an aliphatic or cycloaliphatic solvent.
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: November 17, 2015
    Assignee: Bridgestone Corporation
    Inventor: Yuan-Yong Yan
  • HAIRY POLYMERIC NANOPARTICLES WITH FIRST AND SECOND SHELL BLOCK POLYMER ARMS
    Publication number: 20150291719
    Abstract: Compositions and methods are included for preparing a hairy polymeric nanoparticle including first and second shell block polymer arms are at least partially phase-separated and surround a polymeric core. One type of polymeric arm can have a greater polarity than the other type(s) of polymeric arms. A rubber composition including the hairy nanoparticles is also provided.
    Type: Application
    Filed: June 22, 2015
    Publication date: October 15, 2015
    Inventors: Xiaorong Wang, Hideki Kitano, James Herman Pawlow, Christopher G. Robertson, Yaohong Chen, Yuan-Yong Yan
  • Functionalized polymers and processes for making same
    Patent number: 9133290
    Abstract: A macromolecule includes at least one polymer chain with at least one functionality. The polymer can include unsaturated mer units and can be provided via anionic and pseudo-living polymerization techniques. In either technique, the functionality can include at least one 5- or 6-membered ring which includes a secondary amine group and at least one additional heteroatom; in the latter technique, the functionality can include a hydrazone radical. Such polymers can be used to provide compositions that also include particulate fillers, such compositions being useful for the production of vulcanizates.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: September 15, 2015
    Assignee: Brigdestone Corporation
    Inventors: Yuan-Yong Yan, Steven Luo, Mark T. Arigo
  • HYDROXYL GROUP-CONTAINING METHYLSTYRENE AND POLYMERS INCORPORATING SAME
    Publication number: 20150252063
    Abstract: Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing ?-methylstyrene functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and optional terminating compounds. Such polymers exhibit excellent interactivity with both conventional and non-conventional fillers.
    Type: Application
    Filed: May 20, 2015
    Publication date: September 10, 2015
    Applicant: Bridgestone Corporation
    Inventors: Zengquan Qin, Yuan-Yong Yan, Xiao-Dong Pan