Patents by Inventor Yangjun Cai

Yangjun Cai 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).

  • Polyurethane insulation foam composition comprising a stabilizing compound
    Patent number: 11958935
    Abstract: A polyurethane insulation foam composition is disclosed herein. The polyurethane insulation foam comprises: (i) an aromatic isocyanate compound; (ii) an isocyanate reactive compound; (iii) water; (iv) a tertiary amine compound; (v) a hydrophilic carboxylic acid compound; (vi) a halogenated olefin compound; (vii) a stabilizing compound, and (vii) optionally, other additives.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: April 16, 2024
    Inventors: Yangjun Cai, Lifeng Wu, Sachchida Singh, Yun-Shan Liu
  • POLYURETHANE INSULATION FOAM COMPOSITION COMPRISING A STABILIZING COMPOUND
    Publication number: 20210340308
    Abstract: A polyurethane insulation foam composition is disclosed herein. The polyurethane insulation foam comprises: (i) an aromatic isocyanate compound; (ii) an isocyanate reactive compound; (iii) water; (iv) a tertiary amine compound; (v) a hydrophilic carboxylic acid compound; (vi) a halogenated olefin compound; (vii) a stabilizing compound, and (vii) optionally, other additives.
    Type: Application
    Filed: August 21, 2019
    Publication date: November 4, 2021
    Inventors: Yangjun CAI, Lifeng WU, Sachchida SINGH, Yun-Shan LIU
  • POUR-IN-PLACE POLYURETHANE INSULATION FOAM COMPOSITION COMPRISING HALOGENATED OLEFINS
    Publication number: 20210061937
    Abstract: A pour-in-place polyurethane insulation foam composition is disclosed herein. The polyurethane insulation foam comprises: (i) an isocyanate compound; (ii) an isocyanate reactive compound; (iii) water; (iv) a heterocyclic amine compound; (v) a hydrophilic carboxylic acid compound; (vi) a halogenated olefin compound; and (vii) optionally, other additives.
    Type: Application
    Filed: September 12, 2018
    Publication date: March 4, 2021
    Inventors: Sachchida N. Singh, Lifeng Wu, Khang Nguyen, Yangjun Cai
  • POLYURETHANE INSULATION FOAM COMPOSITION COMPRISING HALOGENATED OLEFINS
    Publication number: 20210061938
    Abstract: A polyurethane insulation foam composition is disclosed herein. The polyurethane insulation foam comprises: (i) an isocyanate compound; (ii) an isocyanate reactive compound; (iii) water; (iv) a heterocyclic amine compound; (v) a hydrophilic carboxylic acid compound; (vi) a halogenated olefin compound; and (vii) optionally, other additives.
    Type: Application
    Filed: September 11, 2018
    Publication date: March 4, 2021
    Inventors: Sachchida N. Singh, Lifeng Wu, Khang Nguyen, Yangjun Cai