Patents by Inventor Tianhua Ding

Tianhua Ding 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).

  • Patent number: 11904746
    Abstract: The invention relates to a seating frame for a vehicle seat, the frame comprising a back frame component for supporting a back rest, wherein the back frame component includes a plurality of interconnected reinforcing ribs that form a single unit, and wherein the seating frame is a one-piece injection-molded part made of plastic material. The invention also relates to a process of making such a seating frame. Furthermore, the invention relates to a vehicle seat comprising such a seating frame, and a vehicle comprising such a vehicle seat or such a seating frame.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: February 20, 2024
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Chuangqi Guo, Geert-Jan Schellekens, Zhongcai Tong, Zhen Yu Xie, Zhi Tian, Tianhua Ding
  • Publication number: 20230183455
    Abstract: The invention is directed to a polymer composition having reduced odor emission. The polymer composition comprises a plurality of functionalized silicate particles dispersed in a polymer component. The invention further describes a process for preparing the polymer composition involving either a compounding process or a masterbatch process. In addition, the invention further describes an automobile component comprising the polymer composition of the present invention or articles, which are prepared by injection molding or extrusion of the polymer composition of the present invention.
    Type: Application
    Filed: June 9, 2021
    Publication date: June 15, 2023
    Inventors: Tianhua DING, Jonathon SCHOLIN, Nitin CHOPRA
  • Publication number: 20220118894
    Abstract: The invention relates to a seating frame for a vehicle seat, the frame comprising a back frame component for supporting a back rest, wherein the back frame component includes a plurality of interconnected reinforcing ribs that form a single unit, and wherein the seating frame is a one-piece injection-molded part made of plastic material. The invention also relates to a process of making such a seating frame. Furthermore, the invention relates to a vehicle seat comprising such a seating frame, and a vehicle comprising such a vehicle seat or such a seating frame.
    Type: Application
    Filed: December 6, 2019
    Publication date: April 21, 2022
    Inventors: Chuangqi Guo, Geert-Jan Schellekens, Zhongcai Tong, Zhen Yu Xie, Zhi Tian, Tianhua Ding
  • Publication number: 20190283371
    Abstract: In an embodiment, a multilayer structure can comprise: an outermost layer; a sensor; a multilayer substrate A located between the sensor and the outermost layer, the multilayer substrate, comprising greater than or equal to 16 polymer A layers, preferably 16 to 512 polymer A layers; and greater than or equal to 16 polymer B layers, preferably 16 to 512 polymer B layers; wherein the polymer A layers and the polymer B layers are present in a ratio of 1:4 to 4:1, preferably the ratio is 1:1; wherein the multilayer substrate has a transmission of greater than or equal to 70%, preferably greater than or equal to 75%, or greater than or equal to 80%; wherein the structure has a water vapor transmission rate of less than or equal to 10 g/cc/day, preferably less than or equal to 8 g/cc/day, or less than or equal to 5 g/cc/day, or less than or equal to 2 g/cc/day.
    Type: Application
    Filed: July 20, 2017
    Publication date: September 19, 2019
    Inventors: Daniel Bande, Tianhua Ding, Cornelis Johannes Gerardus Maria Van Peer, Pieter Jan Antoon Janssen
  • Publication number: 20190048185
    Abstract: This disclosure relates to halogen-free flame retardant polycarbonate/thermoplastic polyester molding compositions with improved mechanical properties and increased polyester loading level. More particularly, the disclosure relates to halogen-free polycarbonate/thermoplastic polyester resin alloys with polymeric phosphorus flame retardant additive and siloxane impact modifier. Also included are methods for preparing such compositions and articles there from.
    Type: Application
    Filed: October 19, 2018
    Publication date: February 14, 2019
    Inventors: Tianhua Ding, Dake Shen, Hongtao Shi, Lin Chen
  • Patent number: 10093797
    Abstract: Disclosed is a process for the manufacture of a polyalkylene terephthalate such as polybutylene terephthalate. In particular, the process comprises employing a titanium-containing catalyst formed by the reaction product of tetraalkyl titanate and a complexing agent comprising a phosphorous, nitrogen or boron atom. The process is used to prepare polyalkylene terephthalates characterized by improved hydrostability, as well as compositions derived therefrom.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: October 9, 2018
    Assignee: SABIC Global Technologies B.V.
    Inventors: Husnu Alp Alidedeoglu, Tianhua Ding, Ganesh Kannan
  • Patent number: 10087323
    Abstract: Disclosed is a process for the manufacture of a modified polyalkylene terephthalate such as modified polybutylene terephthalate. In particular, the process comprises employing a titanium-containing catalyst formed by the reaction product of tetraalkyl titanate and a complexing agent comprising a phosphorous, nitrogen or boron atom. The process is used to prepared modified polyalkylene terephthalates characterized by improved hydrostability, as well as compositions and compositions derived therefrom.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: October 2, 2018
    Assignee: SABIC Global Technologies B.V.
    Inventors: Husnu Alp Alidedeoglu, Tianhua Ding, Ganesh Kannan
  • Patent number: 9771474
    Abstract: Disclosed is a process for the manufacture of a modified polyalkylene terephthalate such as modified polybutylene terephthalate. In particular, the process comprises employing a titanium-containing catalyst formed by the reaction product of tetraalkyl titanate and a complexing agent comprising a phosphorous, nitrogen or boron atom. The process is used to prepare modified polyalkylene terephthalates characterized by improved hydrostability, as well as compositions derived therefrom.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: September 26, 2017
    Assignee: SABIC Global Technologies B.V.
    Inventors: Husnu Alp Alidedeoglu, Tianhua Ding, Ganesh Kannan
  • Patent number: 9670357
    Abstract: Disclosed herein is a polyalkylene terephthalate flame retardant composition, comprising (a) 30 to 60 parts by weight of a polyalkylene terephthalate or a mixture of polyalkylene terephthalates, (b) 0.25 to 2.5 parts by weight of an antidrip agent, (c) 4 to 18 parts by weight of melamine polyphosphate (hereinafter “MPP”), and (d) 12 to 26 parts by weight of poly(pentabromobenzylacrylate) (hereinafter “PBBPA”), provided that the combined amount of MPP and PBBPA is at least 18 parts by weight and less than or equal to 30 parts by weight and provided that the composition is substantially antimony free. The invention also provides processes for making such compositions as well as articles derived therefrom.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: June 6, 2017
    Assignee: SABIC Global Technologies B.V.
    Inventors: Yuzhen Yang, Tianhua Ding
  • Patent number: 9670313
    Abstract: Disclosed is a process for the manufacture of a polyalkylene terephthalate such as polybutylene terephthalate. In particular, the process comprises employing a titanium-containing catalyst formed by the reaction product of tetraalkyl titanate and a complexing agent comprising a phosphorous, nitrogen or boron atom. The process is used to prepare polyalkylene terephthalates characterized by improved hydrostability, as well as compositions derived therefrom.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: June 6, 2017
    Assignee: SABIC Global Technologies B.V.
    Inventors: Husnu Alp Alidedeoglu, Tianhua Ding, Ganesh Kannan
  • Publication number: 20170121521
    Abstract: A polyester composition includes specific amounts of a poly(alkylene terephthalate), an impact modifier, glass fibers, and a flame retardant. The impact modifier includes a polyolefin elastomer, optionally in combination with a thermoplastic polyester elastomer. The flame retardant includes a metal dialkylphosphinate, a melamine based flame retardant, and a flame retardant synergist that can be an organophosphine oxide, an oligomeric or polymeric bis(phenoxy)phosphazene, an organophosphate ester, or a combination thereof. The composition is useful for fabricating parts for electrical and electronic devices.
    Type: Application
    Filed: March 18, 2015
    Publication date: May 4, 2017
    Inventors: Tianhua Ding, Ying Xi, Lin Chen, Hongtao Shi, Dake Shen
  • Publication number: 20160340507
    Abstract: This disclosure relates to halogen-free flame retardant polycarbonate/thermoplastic polyester molding compositions with improved mechanical properties and increased polyester loading level. More particularly, the disclosure relates to halogen-free polycarbonate/thermoplastic polyester resin alloys with polymeric phosphorus flame retardant additive and siloxane impact modifier. Also included are methods for preparing such compositions and articles there from.
    Type: Application
    Filed: January 26, 2015
    Publication date: November 24, 2016
    Inventors: Tianhua Ding, Dake Shen, Hongtao Shi, Lin Chen
  • Patent number: 9487622
    Abstract: Disclosed is an improved process for preparing a modified polyalkylene terephthalate by melt polycondensation followed optionally by solid state condensation comprising reacting an alkylene diol and polyethylene terephthalate, wherein polymerization occurs in the presence of a catalyst complex formed by reaction of tetra(alkyl) titanate and a compound selected from phosphorus-containing compounds, nitrogen-containing compounds, boroncontaining compounds, and combinations thereof.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: November 8, 2016
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Husnu Alp Alidedeoglu, Tianhua Ding, Ganesh Kannan
  • Publication number: 20160083511
    Abstract: Disclosed is an improved process for preparing a modified polyalkylene terephthalate by melt polycondensation followed optionally by solid state condensation comprising reacting an alkylene diol and polyethylene terephthalate, wherein polymerization occurs in the presence of a catalyst complex formed by reaction of tetra(alkyl) titanate and a compound selected from phosphorus-containing compounds, nitrogen-containing compounds, boroncontaining compounds, and combinations thereof.
    Type: Application
    Filed: July 25, 2014
    Publication date: March 24, 2016
    Inventors: Husnu Alp Alidedeoglu, Tianhua Ding, Ganesh Kannan
  • Publication number: 20160024296
    Abstract: Disclosed is a process for the manufacture of a polyalkylene terephthalate such as polybutylene terephthalate. In particular, the process comprises employing a titanium-containing catalyst formed by the reaction product of tetraalkyl titanate and a complexing agent comprising a phosphorous, nitrogen or boron atom. The process is used to prepare polyalkylene terephthalates characterized by improved hydrostability, as well as compositions derived therefrom.
    Type: Application
    Filed: October 7, 2015
    Publication date: January 28, 2016
    Inventors: HUSNU ALP ALIDEDEOGLU, TIANHUA DING, GANESH KANNAN
  • Patent number: 9145470
    Abstract: A process of preparing a polyalkylene terephthalate comprising reacting an alkylene diol and an aromatic dicarboxy compound that is an aromatic dicarboxylic acid, aromatic dicarboxylic (C1-C3)alkyl ester, or a combination thereof, wherein ester interchange and polymerization occurs in the presence of a catalyst complex formed by the reaction of tetraisopropyl titanate and a boron, phosphorous or nitrogen-containing complexing agent, which catalyst can be synthesized in situ prior to ester interchange and introduced to a mixture of the alkylene diol and the aromatic dicarboxy compound prior to ester interchange.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: September 29, 2015
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Husnu Alp Alidedeoglu, Ganesh Kannan, Tianhua Ding, Tukaram Gunale
  • Patent number: 9109110
    Abstract: A process of preparing a modified polyalkylene terephthalate by melt polycondensation comprising reacting an alkylene diol and polyethylene terephthalate, wherein polymerization occurs in the presence of a catalyst complex formed by reaction of tetra(alkyl) titanate and a compound selected from phosphorus-containing compounds, nitrogen-containing compounds, boron-containing compounds, and combinations thereof.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: August 18, 2015
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Husnu Alp Alidedeoglu, Ganesh Kannan, Tianhua Ding, Tukaram Gunale
  • Publication number: 20140357760
    Abstract: Disclosed herein is a polyalkylene terephthalate flame retardant composition, comprising (a) 30 to 60 parts by weight of a polyalkylene terephthalate or a mixture of polyalkylene terephthalates, (b) 0.25 to 2.5 parts by weight of an antidrip agent, (c) 4 to 18 parts by weight of melamine polyphosphate (hereinafter “MPP”), and (d) 12 to 26 parts by weight of poly(pentabromobenzylacrylate) (hereinafter “PBBPA”), provided that the combined amount of MPP and PBBPA is at least 18 parts by weight and less than or equal to 30 parts by weight and provided that the composition is substantially antimony free. The invention also provides processes for making such compositions as well as articles derived therefrom.
    Type: Application
    Filed: June 4, 2013
    Publication date: December 4, 2014
    Inventors: Yuzhen Yang, Tianhua Ding
  • Patent number: 8716378
    Abstract: A thermoplastic polyester composition comprising, based on the total weight of the composition, a chlorine- and bromine-free combination of: from 40 to 60 wt % of a polyester; from 25 to 35 wt % of a reinforcing filler; from 2 to 8 wt % of a flame retardant synergist selected from the group consisting of melamine polyphosphate, melamine cyanurate, melamine pyrophosphate, melamine phosphate, and combinations thereof; from 5 to 15 wt % of a phosphinate salt flame retardant; from more than 0 to less than 5 wt % of an impact modifier component comprising a poly(ether-ester) elastomer and a (meth)acrylate impact modifier; from more than 0 to 5 wt % poly(tetrafluoroethylene) encapsulated by a styrene-acrylonitrile copolymer; from more than 0 to 2 wt % of a stabilizer; wherein the thermoplastic polyester composition contains less than 5 wt % of a polyetherimide.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: May 6, 2014
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Tianhua Ding, Rodney Fonseca, Sung Dug Kim, Chris van der Weele
  • Patent number: 8686072
    Abstract: A thermoplastic polyester composition comprising, based on the total weight of the composition, a chlorine- and bromine-free combination of: from 40 to 60 wt % of a modified poly(1,4-butylene terephthalate); from 25 to 35 wt % of a reinforcing filler; from 2 to 8 wt % of a flame retardant synergist selected from the group consisting of melamine polyphosphate, melamine cyanurate, melamine pyrophosphate, melamine phosphate, and combinations thereof; from 5 to 15 wt % of a phosphinate salt flame retardant; from more than 0 to less than 5 wt % of an impact modifier component comprising a poly(ether-ester) elastomer and a (meth)acrylate impact modifier; from more than 0 to 5 wt % poly(tetrafluoroethylene) encapsulated by a styrene-acrylonitrile copolymer; from more than 0 to 2 wt % of a stabilizer; wherein the thermoplastic polyester composition contains less than 5 wt % of a polyetherimide.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: April 1, 2014
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Tianhua Ding, Rodney Fonseca, Sung Dug Kim, Chris van der Weele