Patents by Inventor Ruqi Chen

Ruqi Chen 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: 20240301154
    Abstract: The present invention relates to polyisocyanate compositions comprising two different types of polyisocyanate, their use in the manufacture of prepregs and polyisocyanurate composited made from said prepregs.
    Type: Application
    Filed: March 28, 2022
    Publication date: September 12, 2024
    Inventors: Xingchen Liu, Yan Deng, Qing Yu, Jingmei Liu, Min Tang, Weixi Lu, Ruqi Chen, Andreas Hecking, Bianca Rexmann
  • Publication number: 20230250214
    Abstract: The invention relates to a polyurethane composition for preparing composites, a polyurethane composite obtained by the preparation and a method for preparing the polyurethane composite. The polyurethane composition comprises: a) an isocyanate component; b) an isocyanate-reactive component; c) a radical reaction initiator and d) an organometallic catalyst; wherein the hydroxyl value of the component b) isocyanate-reactive component is 200 mgKOH/g to 700 mgKOH/g, and the molar ratio of isocyanate groups to hydroxyl groups of the composition is 0.6 to 1.5. The polyurethane composition of the present invention has the advantages of long pot life and simple operation process. The polyurethane composite comprising the polyurethane resin matrix prepared by the polyurethane composition of the present invention has both excellent weather resistance and mechanical strength.
    Type: Application
    Filed: June 25, 2021
    Publication date: August 10, 2023
    Inventors: Yan Deng, Ruqi Chen, Liguo Liu, Jingmei Liu
  • Publication number: 20220025100
    Abstract: The present invention relates to novel thermolatent catalysts for the manufacture of isocyanurate and polyisocyanate polymers.
    Type: Application
    Filed: December 12, 2019
    Publication date: January 27, 2022
    Inventors: Yan Deng, Heiko Hocke, Dongbo Zhao, Ruqi Chen
  • Publication number: 20210054677
    Abstract: A construction element A comprises a) at least one pane of glass B; and b) a frame C made of a non-coated thermoset polymeric composite material with a polymer matrix which is based on at least 50 wt.-% of an aliphatic polyisocyanate; and c) optionally at least one sealant D that connects the pane of glass B with frame C. It is characterized by an excellent long term weathering resistance, high durability and low maintenance efforts.
    Type: Application
    Filed: March 5, 2018
    Publication date: February 25, 2021
    Applicant: Covestro Deutschland AG
    Inventors: Ruqi CHEN, Heiko HOCKE, Dongbo ZHAO, Yan DENG, Min TANG
  • Patent number: 10501448
    Abstract: Various embodiments disclosed relate to aziridinated triglycerides and polymers formed therefrom. In various embodiments, the present invention provides an aziridinated triglyceride having the structure described herein. In various embodiments, the present invention provides a method of making the aziridinated triglyceride, a method of crosslinking the aziridinated triglyceride to form a polymer, the polymer formed from the aziridinated triglyceride, a triglyceride with at least one pendent unsaturated group that can be used to form the aziridinated triglyceride, and a method of making the triglyceride having at least one pendent unsaturated group.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: December 10, 2019
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: Ruqi Chen, Jason Shih-Hao Chen, Chaoqun Zhang, Michael Richard Kessler
  • Publication number: 20180327393
    Abstract: Various embodiments disclosed relate to aziridinated triglycerides and polymers formed therefrom. In various embodiments, the present invention provides an aziridinated triglyceride having the structure described herein. In various embodiments, the present invention provides a method of making the aziridinated triglyceride, a method of crosslinking the aziridinated triglyceride to form a polymer, the polymer formed from the aziridinated triglyceride, a triglyceride with at least one pendent unsaturated group that can be used to form the aziridinated triglyceride, and a method of making the triglyceride having at least one pendent unsaturated group.
    Type: Application
    Filed: July 23, 2018
    Publication date: November 15, 2018
    Inventors: Ruqi Chen, Jason Shih-Hao Chen, Chaoqun Zhang, Michael Richard Kessler
  • Patent number: 10077257
    Abstract: Various embodiments disclosed relate to aziridinated triglycerides and polymers formed therefrom. In various embodiments, the present invention provides an aziridinated triglyceride having the structure described herein. In various embodiments, the present invention provides a method of making the aziridinated triglyceride, a method of crosslinking the aziridinated triglyceride to form a polymer, the polymer formed from the aziridinated triglyceride, a triglyceride with at least one pendent unsaturated group that can be used to form the aziridinated triglyceride, and a method of making the triglyceride having at least one pendent unsaturated group.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: September 18, 2018
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: Ruqi Chen, Jason Shih-Hao Chen, Chaoqun Zhang, Michael Richard Kessler
  • Publication number: 20160289218
    Abstract: Various embodiments disclosed relate to aziridinated triglycerides and polymers formed therefrom. In various embodiments, the present invention provides an aziridinated triglyceride having the structure described herein. In various embodiments, the present invention provides a method of making the aziridinated triglyceride, a method of crosslinking the aziridinated triglyceride to form a polymer, the polymer formed from the aziridinated triglyceride, a triglyceride with at least one pendent unsaturated group that can be used to form the aziridinated triglyceride, and a method of making the triglyceride having at least one pendent unsaturated group.
    Type: Application
    Filed: March 30, 2016
    Publication date: October 6, 2016
    Inventors: Ruqi Chen, Jason Shih-Hao Chen, Chaoqun Zhang, Michael Richard Kessler