Patents by Inventor Suxi Wang

Suxi Wang 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).

  • Publication number: 20230383125
    Abstract: A method of forming a titania-coated inorganic particle comprising the steps of (a) stirring a mixture of a titania precursor such as a titanium alkoxide and an inorganic particle such as a hollow glass particles in an organic solvent such as an alcohol for more than 1 h to cause adsorption of the titania precursor on the surface of the inorganic particle; and (b) adding water dropwise to the mixture under stirring to convert the titania precursor to titania which then forms a coating on the inorganic particle. A method for forming a paint formulation, a titania-coated inorganic particle, a paint formulation comprising a titania-coated inorganic particle and use of a titania-coated inorganic particle in a paint formulation is also described.
    Type: Application
    Filed: August 3, 2023
    Publication date: November 30, 2023
    Inventors: Chao CHEN, Xu LI, Suxi WANG, Xikui ZHANG, Siew Yee WONG
  • Patent number: 11767433
    Abstract: A method of forming a titania-coated inorganic particle comprising the steps of (a) stirring a mixture of a titania precursor such as a titanium alkoxide and an inorganic particle such as a hollow glass particles in an organic solvent such as an alcohol for more than 1 h to cause adsorption of the titania precursor on the surface of the inorganic particle; and (b) adding water dropwise to the mixture under stirring to convert the titania precursor to titania which then forms a coating on the inorganic particle. A method for forming a paint formulation, a titania-coated inorganic particle, a paint formulation comprising a titania-coated inorganic particle and use of a titania-coated inorganic particle in a paint formulation is also described.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: September 26, 2023
    Assignee: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
    Inventors: Chao Chen, Xu Li, Suxi Wang, Xikui Zhang, Siew Yee Wong
  • Publication number: 20230295376
    Abstract: A polymer having a backbone and a side unit of 9,10-dihydro-9-oxa-10-phosphaphenanthrene 10-oxide bonded thereto, where the backbone of the polymer includes at least one heterocyclic moiety. There is also provided a process for producing the polymer as defined herein as well as a flame retardant polyolefin formulation including the polymer as defined herein and a moulded article including the flame retardant polyolefin formulation as defined herein.
    Type: Application
    Filed: August 10, 2021
    Publication date: September 21, 2023
    Inventors: Junhua Kong, Songlin Liu, Suxi Wang, Qi Feng Lim, Beng Hoon Maureen Janet Tan, Chaobin He
  • Patent number: 11646418
    Abstract: According to the present disclosure, a method of fabricating a metal-carbon fibrous structure is provided. The method comprises the steps of: (a) forming a fibrous support structure comprising composite nanocrystals and polymeric fibers, wherein each of the composite nanocrystals comprises metal ions connected by organic ligands; (b) growing the composite nanocrystals on the fibrous support structure; and (c) subjecting the fibrous support structure of step (b) to carbonization to form the metal-carbon fibrous structure, wherein the metal-carbon fibrous structure comprises metal nanoparticles derived from the composite nanocrystals. A metal-carbon fibrous structure comprising carbon based fibers arranged to form a porous network and the carbon based fibers are doped with metal nanoparticles, wherein the carbon based fibers have surfaces which comprise graphitic carbon, is also disclosed herein.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: May 9, 2023
    Assignee: Agency for Science, Technology and Research
    Inventors: Suxi Wang, Xu Li, Andy Hor, Zhongxing Zhang, Kia Jia Benny Chew
  • Publication number: 20230106325
    Abstract: A method of producing a porous carbon composite fibrous mats formed of a network of carbon fibers incorporated with porous carbon particles. The method includes electrospinning a polymer solution to form a porous layer of polymeric fibers and the polymeric fibers are doped with a precursor of conductive metal particles, where the polymer solution includes a polymer and the precursor of the conductive metal particles, electrospraying a metal organic framework suspension onto the porous layer of polymeric fibers, where the metal organic framework suspension includes metal organic framework particles, repeating the electrospinning and electrospraying in an alternating manner to form a porous network of polymeric fibers incorporated with the metal organic framework particles, and heating the porous network of polymeric fibers incorporated with the metal organic framework particles to form the porous carbon composite fibrous mats.
    Type: Application
    Filed: December 6, 2022
    Publication date: April 6, 2023
    Inventors: Xu Li, Suxi Wang
  • Patent number: 11590476
    Abstract: A method of producing a porous carbon composite fibrous mats formed of a network of carbon fibers incorporated with porous carbon particles. The method includes electrospinning a polymer solution to form a porous layer of polymeric fibers and the polymeric fibers are doped with a precursor of conductive metal particles, wherein the polymer solution includes a polymer and the precursor of the conductive metal particles, electrospraying a metal organic framework suspension onto the porous layer of polymeric fibers, wherein the metal organic framework suspension includes metal organic framework particles, repeating the electrospinning and electrospraying in an alternating manner to form a porous network of polymeric fibers incorporated with the metal organic framework particles, and heating the porous network of polymeric fibers incorporated with the metal organic framework particles to form the porous carbon composite fibrous mats.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: February 28, 2023
    Assignee: Agency for Science, Technology and Research
    Inventors: Xu Li, Suxi Wang
  • Patent number: 11320212
    Abstract: A thermal control system with new phase change material (PCM) formulations that are able to maintain the system interior in a temperature range of, for example, ?15 to ?40° C., for a tunable working period from several hours to approximately half a day, is provided. The composition includes the inorganic and organic materials. The inorganic materials include the inorganic salts and various functional additives; while the organic materials include fatty acids, hydrocarbons and various nanostructures.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: May 3, 2022
    Assignee: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
    Inventors: Qiang Zhu, Xiang Yun Debbie Soo, Tao Tang, Suxi Wang, Jianwei Xu
  • Publication number: 20210352941
    Abstract: The invention is directed to a nanostructured composite material comprising a mixture of at least one metal particle such as iron and a carbon material from biomass such as D-glucose, D-glucosamine hydrochloride or ?-cyclodextrin. The invention is also directed to a composition comprising the composite material comprising the composite material and an inorganic salt, and a method for synthesizing the composite material comprising immersing the carbon material into a solution of metal ions, drying the impregnated carbon particle and subjecting the impregnated carbon particle to a carbothermal reduction process. The nanostructured composite material is useful as an oxygen scavenging layer in a multi-layer film which comprises the oxygen scavenging layer and an oxygen barrier layer that retards the permeation of oxygen from an external environment.
    Type: Application
    Filed: July 27, 2021
    Publication date: November 18, 2021
    Inventors: Xu Li, Yu Yuan Chieng, Siew Yee Wong, Suxi Wang, Jen-Yi Huang, Weibiao Zhou
  • Patent number: 11134707
    Abstract: The invention is directed to a nanostructured composite material comprising a mixture of at least one metal particle such as iron and a carbon material from biomass such as D-glucose, D-glucosamine hydrochloride or a-cyclodextrin. The invention is also directed to a composition comprising the composite material comprising the composite material and an inorganic salt, and a method for synthesizing the composite material comprising immersing the carbon material into a solution of metal ions, drying the impregnated carbon particle and subjecting the impregnated carbon particle to a carbothermal reduction process. The nanostructured composite material is useful as an oxygen scavenging layer in a multi-layer film which comprises the oxygen scavenging layer and an oxygen barrier layer that retards the permeation of oxygen from an external environment.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: October 5, 2021
    Assignees: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH, NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Xu Li, Yu Yuan Chieng, Siew Yee Wong, Suxi Wang, Jen-Yi Huang, Weibiao Zhou
  • Publication number: 20210296648
    Abstract: According to the present disclosure, a method of fabricating a metal-carbon fibrous structure is provided. The method comprises the steps of: (a) forming a fibrous support structure comprising composite nanocrystals and polymeric fibers, wherein each of the composite nanocrystals comprises metal ions connected by organic ligands; (b) growing the composite nanocrystals on the fibrous support structure; and (c) subjecting the fibrous support structure of step (b) to carbonization to form the metal-carbon fibrous structure, wherein the metal-carbon fibrous structure comprises metal nanoparticles derived from the composite nanocrystals. A metal-carbon fibrous structure comprising carbon based fibers arranged to form a porous network and the carbon based fibers are doped with metal nanoparticles, wherein the carbon based fibers have surfaces which comprise graphitic carbon, is also disclosed herein.
    Type: Application
    Filed: April 6, 2021
    Publication date: September 23, 2021
    Inventors: Suxi Wang, Xu Li, Andy Hor, Zhongxing Zhang, Kia Jia Benny Chew
  • Publication number: 20210147690
    Abstract: A method of forming a titania-coated inorganic particle comprising the steps of (a) stirring a mixture of a titania precursor such as a titanium alkoxide and an inorganic particle such as a hollow glass particles in an organic solvent such as an alcohol for more than 1 h to cause adsorption of the titania precursor on the surface of the inorganic particle; and (b) adding water dropwise to the mixture under stirring to convert the titania precursor to titania which then forms a coating on the inorganic particle. A method for forming a paint formulation, a titania-coated inorganic particle, a paint formulation comprising a titania-coated inorganic particle and use of a titania-coated inorganic particle in a paint formulation is also described.
    Type: Application
    Filed: January 28, 2021
    Publication date: May 20, 2021
    Inventors: Chao CHEN, Xu LI, Suxi WANG, Xikui ZHANG, Siew Yee WONG
  • Patent number: 10998550
    Abstract: According to the present disclosure, a method of fabricating a metal-carbon fibrous structure is provided. The method comprises the steps of: (a) forming a fibrous support structure comprising composite nanocrystals and polymeric fibers, wherein each of the composite nanocrystals comprises metal ions connected by organic ligands; (b) growing the composite nanocrystals on the fibrous support structure; and (c) subjecting the fibrous support structure of step (b) to carbonization to form the metal-carbon fibrous structure, wherein the metal-carbon fibrous structure comprises metal nanoparticles derived from the composite nanocrystals comprising metal organic framework (MOF), particularly zeolitic imidazolate framework (ZIF). A metal-carbon fibrous structure comprising carbon based fibers arranged to form a porous network and the carbon based fibers are doped with metal nanoparticles, wherein the carbon based fibers have surfaces which comprise graphitic carbon, is also disclosed herein.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: May 4, 2021
    Assignee: Agency for Science, Technology and Research
    Inventors: Suxi Wang, Xu Li, Andy Hor, Zhongxing Zhang, Kia Jia Benny Chew
  • Patent number: 10941298
    Abstract: A method of forming a titania-coated inorganic particle comprising the steps of (a) stirring a mixture of a titania precursor such as a titanium alkoxide and an inorganic particle such as a hollow glass particles in an organic solvent such as an alcohol for more than 1 h to cause adsorption of the titania precursor on the surface of the inorganic particle; and (b) adding water dropwise to the mixture under stirring to convert the titania precursor to titania which then forms a coating on the inorganic particle. A method for forming a paint formulation, a titania-coated inorganic particle, a paint formulation comprising a titania-coated inorganic particle and use of a titania-coated inorganic particle in a paint formulation is also described.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: March 9, 2021
    Assignee: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
    Inventors: Chao Chen, Xu Li, Suxi Wang, Xikui Zhang, Siew Yee Wong
  • Publication number: 20210046445
    Abstract: A method of producing a porous carbon composite fibrous mats formed of a network of carbon fibers incorporated with porous carbon particles. The method includes electrospinning a polymer solution to form a porous layer of polymeric fibers and the polymeric fibers are doped with a precursor of conductive metal particles, wherein the polymer solution includes a polymer and the precursor of the conductive metal particles, electrospraying a metal organic framework suspension onto the porous layer of polymeric fibers, wherein the metal organic framework suspension includes metal organic framework particles, repeating the electrospinning and electrospraying in an alternating manner to form a porous network of polymeric fibers incorporated with the metal organic framework particles, and heating the porous network of polymeric fibers incorporated with the metal organic framework particles to form the porous carbon composite fibrous mats.
    Type: Application
    Filed: August 14, 2020
    Publication date: February 18, 2021
    Inventors: Xu Li, Suxi Wang
  • Publication number: 20200408470
    Abstract: A thermal control system with new phase change material (PCM) formulations that are able to maintain the system interior in a temperature range of, for example, ?15 to ?40° C., for a tunable working period from several hours to approximately half a day, is provided. The composition includes the inorganic and organic materials. The inorganic materials include the inorganic salts and various functional additives; while the organic materials include fatty acids, hydrocarbons and various nanostructures.
    Type: Application
    Filed: March 15, 2019
    Publication date: December 31, 2020
    Inventors: Qiang Zhu, Xiang Yun Debbie Soo, Tao Tang, Suxi Wang, Jianwei Xu
  • Publication number: 20190185677
    Abstract: A method of forming a titania-coated inorganic particle comprising the steps of (a) stirring a mixture of a titania precursor such as a titanium alkoxide and an inorganic particle such as a hollow glass particles in an organic solvent such as an alcohol for more than 1 h to cause adsorption of the titania precursor on the surface of the inorganic particle; and (b) adding water dropwise to the mixture under stirring to convert the titania precursor to titania which then forms a coating on the inorganic particle. A method for forming a paint formulation, a titania-coated inorganic particle, a paint formulation comprising a titania-coated inorganic particle and use of a titania-coated inorganic particle in a paint formulation is also described.
    Type: Application
    Filed: August 16, 2017
    Publication date: June 20, 2019
    Inventors: Chao CHEN, Xu LI, Suxi WANG, Xikui ZHANG, Siew Yee WONG
  • Publication number: 20190020028
    Abstract: According to the present disclosure, a method of fabricating a metal-carbon fibrous structure is provided. The method comprises the steps of: (a) forming a fibrous support structure comprising composite nanocrystals and polymeric fibers, wherein each of the composite nanocrystals comprises metal ions connected by organic ligands; (b) growing the composite nanocrystals on the fibrous support structure; and (c) subjecting the fibrous support structure of step (b) to carbonization to form the metal-carbon fibrous structure, wherein the metal-carbon fibrous structure comprises metal nanoparticles derived from the composite nanocrystals comprising metal organic framework (MOF), particularly zeolitic imidazolate framework (ZIF). A metal-carbon fibrous structure comprising carbon based fibers arranged to form a porous network and the carbon based fibers are doped with metal nanoparticles, wherein the carbon based fibers have surfaces which comprise graphitic carbon, is also disclosed herein.
    Type: Application
    Filed: January 16, 2017
    Publication date: January 17, 2019
    Inventors: Suxi Wang, Xu Li, Andy Hor, Zhongxing Zhang, Kia Jia Benny Chew
  • Patent number: 10181618
    Abstract: A method of preparing a porous carbon material is provided. The method comprises a) freezing a liquid mixture comprising a polymer suspended or dissolved in a solvent to form a frozen mixture; b) removing the solvent from the frozen mixture to form a porous frozen mixture; and c) pyrolyzing the porous frozen mixture to obtain the porous carbon material. A porous carbon material prepared using the method, and uses of the porous carbon material are also provided.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: January 15, 2019
    Assignees: Agency for Science, Technology and Research, The University of Liverpool
    Inventors: Aled Deakin Roberts, Suxi Wang, Haifei Zhang, Xu Li
  • Patent number: 10128503
    Abstract: There is provided a conductive fibrous material comprising a plurality of carbonaceous fibers, wherein each carbonaceous fiber is fused to at least one other fiber. The carbonaceous fibers may be fused at fiber-to-fiber contact points by a polymer. The process of making the conductive fibrous material comprises mixing a phenolic polymer with a second polymer to form a polymer solution, preparing phenolic fibers having nano- or micro-scale diameters by electrospinning the polymer solution, and subsequent carbonization of the obtained phenolic fibers, thereby generating carbonaceous fibers, wherein each carbonaceous fiber is fused to at least one other fiber. The conductive fibrous material may be useful in electrode materials for energy storage devices.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: November 13, 2018
    Assignee: Agency for Science, Technology and Research
    Inventors: Xu Li, Chao Bin He, Suxi Wang, Siew Yee Wong, Shilin Chen
  • Publication number: 20180132509
    Abstract: The invention is directed to a nanostructured composite material comprising a mixture of at least one metal particle such as iron and a carbon material from biomass such as D-glucose, D-glucosamine hydrochloride or a-cyclodextrin. The invention is also directed to a composition comprising the composite material comprising the composite material and an inorganic salt, and a method for synthesizing the composite material comprising immersing the carbon material into a solution of metal ions, drying the impregnated carbon particle and subjecting the impregnated carbon particle to a carbothermal reduction process. The nanostructured composite material is useful as an oxygen scavenging layer in a multi-layer film which comprises the oxygen scavenging layer and an oxygen barrier layer that retards the permeation of oxygen from an external environment.
    Type: Application
    Filed: May 23, 2016
    Publication date: May 17, 2018
    Inventors: Xu LI, Yu Yuan CHIENG, Siew Yee WONG, Suxi WANG, Jen-Yi HUANG, Weibiao ZHOU