Patents by Inventor Xiucuo Li

Xiucuo Li 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: 11845869
    Abstract: A method for producing a thixotropic curable silicone composition is provided. The curable silicone composition comprises: (A) a silicone base material comprising: an organopolysiloxane having at least two alkoxysilyl-containing groups per molecule and a filler other than fumed silica; (B) a hydrophobic fumed silica; (C) a carbasilatrane derivative; (D) an alkoxysilane or its partial hydrolysis and condensation product; and (E) a condensation reaction catalyst. The method comprises the following steps: (I) mixing components (A) and (B); (II) mixing component (C) with a mixture obtained by step (I); and (III) mixing components (D) and (E) with a mixture obtained by step (II) under free of moisture. The curable silicone composition obtained by the method has an excellent thixotropic property and can cure at room temperature by contact with moisture in air.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: December 19, 2023
    Assignees: DOW SILICONES CORPORATION, DOW TORAY CO., LTD.
    Inventors: Debo Hong, Xiucuo Li, Kazutoshi Okabe, Hiroshi Adachi, Lei Fang, Qi Chen
  • Publication number: 20220267531
    Abstract: A method for producing a thixotropic curable silicone composition is provided. The curable silicone composition comprises: (A) a silicone base material comprising: an organopolysiloxane having at least two alkoxysilyl-containing groups per molecule and a filler other than fumed silica; (B) a hydrophobic fumed silica; (C) a carbasilatrane derivative; (D) an alkoxysilane or its partial hydrolysis and condensation product; and (E) a condensation reaction catalyst. The method comprises the following steps: (I) mixing components (A) and (B); (II) mixing component (C) with a mixture obtained by step (I); and (III) mixing components (D) and (E) with a mixture obtained by step (II) under free of moisture. The curable silicone composition obtained by the method has an excellent thixotropic property and can cure at room temperature by contact with moisture in air.
    Type: Application
    Filed: June 21, 2019
    Publication date: August 25, 2022
    Inventors: Debo HONG, Xiucuo LI, Kazutoshi OKABE, Hiroshi ADACHI, Lei FANG, Qi CHEN
  • Patent number: 9346945
    Abstract: Filled silicone composition, in situ preparation and use thereof are provided. The composition comprises a mixture of (A) an in situ-prepared treated silica, (B) an in situ-prepared (siloxane-alkylene)-endblocked polydiorganosiloxane, (c) a cure catalyst and (D) a crosslinker. Moreover, the composition can be used as adhesive, coating and sealant.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: May 24, 2016
    Assignees: DOW CORNING CORPORATION, DOW CORNING (CHINA) HOLDING CO., LTD.
    Inventors: Lei Fang, Brian Harkness, Xiucuo Li, Lauren Tonge, James Tonge
  • Publication number: 20150051345
    Abstract: Filled silicone composition, in situ preparation and use thereof are provided. The composition comprises a mixture of (A) an in situ-prepared treated silica, (B) an in situ-prepared (siloxane-alkylene)-endblocked polydiorganosiloxane, (c) a cure catalyst and (D) a crosslinker. Moreover, the composition can be used as adhesive, coating and sealant.
    Type: Application
    Filed: October 11, 2011
    Publication date: February 19, 2015
    Inventors: Lei Fang, Brian Harkness, Xiucuo Li, Lauren Tonge, James Tonge
  • Patent number: 8772396
    Abstract: A composition includes specific amounts of a poly(arylene ether), an unfunctionalized hydrogenated triblock copolymer, an unfunctionalized polyolefin, and magnesium dihydroxide. The composition is useful for forming insulation and sheath layers of wire and cable.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: July 8, 2014
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Weili Qiu, Xiucuo Li, Wei Shan
  • Publication number: 20130261237
    Abstract: A composition includes specific amounts of a poly(arylene ether), an unfunctionalized hydrogenated triblock copolymer, an unfunctionalized polyolefin, and magnesium dihydroxide. The composition is useful for forming insulation and sheath layers of wire and cable.
    Type: Application
    Filed: December 7, 2010
    Publication date: October 3, 2013
    Inventors: Weili Qiu, Xiucuo Li, Wei Shan
  • Patent number: 8278376
    Abstract: A flame retardant poly(arylene ether) composition is described. In addition to the poly(arylene ether), the composition includes a polyolefin component, and a flame retardant composition that includes a metal dialkyl phosphinate. The polyolefin component can be a polyolefin polymer and/or the polyolefin block of a poly(alkenyl aromatic)-polyolefin block copolymer. The composition is particularly suitable as a replacement for poly(vinyl chloride) in insulation for wire and cable.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: October 2, 2012
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Weili Qiu, Jian Guo, Xiucuo Li, Hua Guo
  • Patent number: 8147958
    Abstract: A flexible thermoplastic composition comprises a poly(arylene ether), a first block copolymer, a second block copolymer and a flame retardant wherein the second block copolymer comprises a controlled distribution copolymer block. The flexible thermoplastic composition is useful in the manufacture of coated wires.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: April 3, 2012
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Kazunari Kosaka, Xiucuo Li, Weiguang Yao
  • Publication number: 20110266024
    Abstract: A flame retardant poly(arylene ether) composition is described. In addition to the poly(arylene ether), the composition includes a polyolefin component, and a flame retardant composition that includes a metal dialkyl phosphinate. The polyolefin component can be a polyolefin polymer and/or the polyolefin block of a poly(alkenyl aromatic)-polyolefin block copolymer. The composition is particularly suitable as a replacement for poly(vinyl chloride) in insulation for wire and cable.
    Type: Application
    Filed: September 5, 2008
    Publication date: November 3, 2011
    Inventors: Weili Qiu, Jian Guo, Xiucuo Li, Hua Guo
  • Patent number: 7989701
    Abstract: A multiconductor cable assembly includes two or more coated wires in a side-by-side contacting relation, and the covering of the wires includes a composition with specific proportions of a poly(arylene ether), a block copolymer, and a flame retardant. The multiconductor cable assembly can be formed by extrusion coating two or more uncoated conductors, or by passing two or more coated wires through a nip defined by two rollers to fuse the coated wires.
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: August 2, 2011
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Kazunari Kosaka, Xiucuo Li, Wei Shan
  • Patent number: 7847032
    Abstract: A poly(arylene ether) composition includes a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, a flame retardant, and a poly(arylene ether)-polysiloxane block copolymer reaction product that itself includes a poly(arylene ether)-polysiloxane block copolymer. The composition is useful for forming extruded articles, including insulation for wire and cable. The poly(arylene ether)-polysiloxane block copolymer contributes improved flame retardancy and, in many cases, improved physical properties to the composition.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: December 7, 2010
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Hua Guo, Jian Guo, Kazunari Kosaka, Xiucuo Li
  • Publication number: 20100263906
    Abstract: A flexible thermoplastic composition comprises a poly(arylene ether), a first block copolymer, a second block copolymer and a flame retardant wherein the second block copolymer comprises a controlled distribution copolymer block. The flexible thermoplastic composition is useful in the manufacture of coated wires.
    Type: Application
    Filed: July 2, 2010
    Publication date: October 21, 2010
    Applicant: SABIC INNOVATIVE PLASTICS IP B.V.
    Inventors: Kazunari Kosaka, Xiucuo Li, Weiguang Yao
  • Patent number: 7799854
    Abstract: A flame retardant thermoplastic composition comprising a poly(arylene ether), a block copolymer, a liquid polyolefin, and a flame retardant additive composition. The flame retardant additive composition comprises a metal hydroxide, an organic phosphate, and a phosphoric acid salt selected from the group consisting of melamine phosphate, melamine pyrophosphate, melamine orthophosphate, melem polyphosphate, melam polyphosphate, diammonium phosphate, monoammonium phosphate, phosphoric acid amide, melamine polyphosphate, ammonium polyphosphate, polyphosphoric acid amide, and combinations of two or more of the foregoing. The block copolymer comprises a block that is a controlled distribution copolymer having terminal regions that are rich in alkylene units and a center region that is rich in aryl alkylene units. The flame retardant composition may be used in the production of covered conductors.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: September 21, 2010
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Kazunari Kosaka, Xiucuo Li, Yong Xiao
  • Patent number: 7772322
    Abstract: A flexible thermoplastic composition comprises a poly(arylene ether), a first block copolymer, a second block copolymer and a flame retardant wherein the second block copolymer comprises a controlled distribution copolymer block. The flexible thermoplastic composition is useful in the manufacture of coated wires.
    Type: Grant
    Filed: February 17, 2005
    Date of Patent: August 10, 2010
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Kazunari Kosaka, Xiucuo Li, Weiguang Yao
  • Publication number: 20100139944
    Abstract: A poly(arylene ether) composition includes a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, a flame retardant, and a poly(arylene ether)-polysiloxane block copolymer reaction product that itself includes a poly(arylene ether)-polysiloxane block copolymer. The composition is useful for forming extruded articles, including insulation for wire and cable. The poly(arylene ether)-polysiloxane block copolymer contributes improved flame retardancy and, in many cases, improved physical properties to the composition.
    Type: Application
    Filed: December 10, 2008
    Publication date: June 10, 2010
    Inventors: Hua Guo, Jian Guo, Kazunari Kosaka, Xiucuo Li
  • Patent number: 7655714
    Abstract: A flame retardant poly(arylene ether) composition is described. In addition to the poly(arylene ether), the composition includes a polyolefin component, and a flame retardant composition that includes a metal dialkyl phosphinate and a nitrogen-containing flame retardant but excludes a liquid triaryl phosphate. The polyolefin component can be a polyolefin polymer and/or the polyolefin block of a poly(alkenyl aromatic)-polyolefin block copolymer. The composition is particularly suitable as a replacement for poly(vinyl chloride) in insulation for wire and cable.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: February 2, 2010
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Weili Qiu, Xiucuo Li, Hua Guo
  • Patent number: 7622522
    Abstract: A flame retardant poly(arylene ether) composition is described. In addition to the poly(arylene ether), the composition includes a polyolefin component, and a flame retardant composition that includes a metal dialkyl phosphinate, a nitrogen-containing flame retardant, and a liquid triaryl phosphate. The polyolefin component can be a polyolefin polymer and/or the polyolefin block of a poly(alkenyl aromatic)-polyolefin block copolymer. The composition is particularly suitable as a replacement for poly(vinyl chloride) in insulation for wire and cable.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: November 24, 2009
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Weili Qiu, Jian Guo, Xiucuo Li, Hua Guo
  • Patent number: 7589281
    Abstract: A flame retardant poly(arylene ether) composition is described. In addition to the poly(arylene ether), the composition includes a polyolefin component, and a flame retardant composition that includes a metal dialkyl phosphinate but excludes melamine phosphate, melamine pyrophosphate, and melamine polyphosphate. The polyolefin component can be a polyolefin polymer and/or the polyolefin block of a poly(alkenyl aromatic)-polyolefin block copolymer. The composition is particularly suitable as a replacement for poly(vinyl chloride) in insulation for wire and cable.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: September 15, 2009
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Weili Qiu, Xiucuo Li
  • Patent number: 7582692
    Abstract: A flame retardant thermoplastic composition comprises: a poly(arylene ether); an impact modifier; a polyolefin; a phosphoric acid salt selected from the group consisting of melamine phosphate, melamine pyrophosphate, melamine orthophosphate, diammonium phosphate, monoammonium phosphate, phosphoric acid amide, melamine polyphosphate, ammonium polyphosphate, polyphosphoric acid amide, and combinations of two or more of the foregoing; a metal hydroxide; and an organic phosphate wherein the amount of phosphoric acid salt by weight is greater than or equal to the amount of organic phosphate by weight. The flame retardant composition is may be used in the production of electrical wires.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: September 1, 2009
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Kazunari Kosaka, Xiucuo Li, Weiguang Yao
  • Publication number: 20090133896
    Abstract: A multiconductor cable assembly includes two or more coated wires in a side-by-side contacting relation, and the covering of the wires includes a composition with specific proportions of a poly(arylene ether), a block copolymer, and a flame retardant. The multiconductor cable assembly exhibits excellent physical and flame retardant properties without using poly(vinyl chloride). Various methods of forming the multiconductor cable assembly are described.
    Type: Application
    Filed: October 22, 2008
    Publication date: May 28, 2009
    Inventors: Kazunari Kosaka, Xiucuo Li, Wei Shan