Patents by Inventor Chi-Song LIAW

Chi-Song LIAW 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 for preparing a flame retardant modified acrylonitrile-based copolymer and a flame retardant fibrous material
    Patent number: 9109066
    Abstract: A method for preparing a flame retardant modified acrylonitrile-based copolymer, includes: prepolymerizing a first composition to obtain a first prepolymer solution including a first prepolymer; prepolymerizing a second composition to obtain a second prepolymer solution including a second prepolymer; and mixing the first and second prepolymer solutions and subjecting a mixture of the first and second prepolymers to polymerization to obtain a flame retardant modified acrylonitrile-based copolymer solution containing a flame retardant modified acrylonitrile-based copolymer.
    Type: Grant
    Filed: January 2, 2014
    Date of Patent: August 18, 2015
    Assignee: FORMOSA PLASTICS CORPORATION
    Inventors: Chi-Song Liaw, Jin-Pon Wu, Kai-Yao Shih, Tsung-Hsi Lee, Hsiu Chen, Ming-I Hsu, Chin-Wang Lung, Chao-Cheng Chen, Chia-Yu Hsieh, Sheng-Hsun Lin
  • METHOD FOR PREPARING A FLAME RETARDANT MODIFIED ACRYLONITRILE-BASED COPOLYMER AND A FLAME RETARDANT FIBROUS MATERIAL
    Publication number: 20150183910
    Abstract: A method for preparing a flame retardant modified acrylonitrile-based copolymer, includes: prepolymerizing a first composition to obtain a first prepolymer solution including a first prepolymer; prepolymerizing a second composition to obtain a second prepolymer solution including a second prepolymer; and mixing the first and second prepolymer solutions and subjecting a mixture of the first and second prepolymers to polymerization to obtain a flame retardant modified acrylonitrile-based copolymer solution containing a flame retardant modified acrylonitrile-based copolymer.
    Type: Application
    Filed: January 2, 2014
    Publication date: July 2, 2015
    Applicant: FORMOSA PLASTICS CORPORATION
    Inventors: Chi-Song LIAW, Jin-Pon WU, Kai-Yao SHIH, Tsung-Hsi LEE, Hsiu CHEN, Ming-I HSU, Chin-Wang LUNG, Chao-Cheng CHEN, Chia-Yu HSIEH, Sheng-Hsun LIN