Patents Assigned to CHANDA CHEMICAL CORP.
  • Organic-inorganic hybrid material, fabrication process of the same and its starting material
    Patent number: 11814465
    Abstract: An organic-inorganic hybrid material is disclosure. The organic-inorganic hybrid material contains 5˜50 wt % of inorganic compounds and has a characteristic peak at 1050±50 cm?1 in FTIR spectrum. Furthermore, the invention also provides a fabricating process of the organic-inorganic hybrid material as well as its starting material “isocyanates”. In particular, the isocyanates are prepared from carbonate containing compounds and amines.
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: November 14, 2023
    Assignee: CHANDA CHEMICAL CORP.
    Inventors: Sheng-hong A. Dai, Chien-Hsin Wu, Ying-Chi Huang, Yu-Hsiang Huang, Shih-Chieh Yeh, Ru-Jong Jeng, Jau-Hsiang Yang
  • High stress thermal plastic polyurethane, its preparing formulation and making process
    Patent number: 11673991
    Abstract: A thermal plastic polyurethane with a stress more than 2.5 MPa, its preparing formulation and making process are disclosed. In particular, the thermal plastic polyurethane with a stress more than 2.5 MPa is prepared from a formulation comprises a polycarbonate derivative and a chain extender.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: June 13, 2023
    Assignee: CHANDA CHEMICAL CORP.
    Inventors: Chien-Hsin Wu, Ying-Chi Huang, Sheng-hong A. Dai, Ru-Jong Jeng
  • Thermoset epoxy resin, its preparing composition and making process thereof
    Patent number: 11453743
    Abstract: A thermoset epoxy resin, its preparing composition and making process are disclosed. In particular, the thermoset epoxy resin is glycidyl ether of diphenolic bis-carbamate and formed by curing a one component epoxy composition and has a general structure as shown in formula (1).
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: September 27, 2022
    Assignee: CHANDA CHEMICAL CORP.
    Inventors: Chien-Hsin Wu, Ying-Chi Huang, Kuan-Ting Chen, Chia-Hsuan Lin, Sheng-Hong A. Dai, Ru-Jong Jeng
  • Organic-inorganic hybrid material, fabrication process of the same and its starting material
    Patent number: 11453738
    Abstract: An organic-inorganic hybrid material is disclosure. The organic inorganic hybrid material contains 5˜50 wt % of inorganic compounds and has a characteristic peak at 1050±50 cm?1 in FTIR spectrum. Furthermore, the invention also provides a fabricating process of the organic-inorganic hybrid material as well as its starting material “isocyanates”. In particular, the isocyanates are prepared from carbonate containing compounds and amines.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: September 27, 2022
    Assignee: CHANDA CHEMICAL CORP.
    Inventors: Sheng-hong A. Dai, Chien-Hsin Wu, Ying-Chi Huang, Yu-Hsiang Huang, Shih-Chieh Yeh, Ru-Jong Jeng, Jau-Hsiang Yang