Patents by Inventor Zhan (James) Chen

Zhan (James) 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).

  • Polyurethane pultrusion article
    Patent number: 10442905
    Abstract: The invention provides a polyurethane pultrusion article comprising a polyurethane pultrusion composite and a coating layer applied thereon, wherein the polyurethane pultrusion composite comprises a polyurethane resin matrix and a reinforcement material, and is prepared by a polyurethane pultrusion process, wherein the polyurethane resin matrix is prepared from a polyurethane composition comprising: A) an isocyanate component comprising one or more polyisocyanates; B) an isocyanate-reactive component comprising: b1) a first polyether polyol having a functionality of 2-3 and a hydroxyl number of 10-120 mgKOH/g; b2) a second polyether polyol having a functionality of 3-8 and a hydroxyl number of 810-1900 mgKOH/g; b4) one or more isocyanate-reactive flame retardants. The polyurethane pultrusion article provided by the invention has both favorable flame retardance and good adhesion between the coating layer and the composite.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: October 15, 2019
    Assignee: COVESTRO DEUTSCHLAND AG
    Inventors: Chenxi Zhang, Zhan (James) Chen, Zhijiang Li, Fei Wu, Hui Zhao
  • POLYURETHANE PULTRUSION ARTICLE
    Publication number: 20190127538
    Abstract: The invention provides a polyurethane pultrusion article comprising a polyurethane pultrusion composite and a coating layer applied thereon, wherein the polyurethane pultrusion composite comprises a polyurethane resin matrix and a reinforcement material, and is prepared by a polyurethane pultrusion process, wherein the polyurethane resin matrix is prepared from a polyurethane composition comprising: A) an isocyanate component comprising one or more polyisocyanates; B) an isocyanate-reactive component comprising: b1) a first polyether polyol having a functionality of 2-3 and a hydroxyl number of 10-120 mgKOH/g; b2) a second polyether polyol having a functionality of 3-8 and a hydroxyl number of 810-1900 mgKOH/g; b4) one or more isocyanate-reactive flame retardants. The polyurethane pultrusion article provided by the invention has both favorable flame retardance and good adhesion between the coating layer and the composite.
    Type: Application
    Filed: December 21, 2015
    Publication date: May 2, 2019
    Applicant: Covestro Deutschland AG
    Inventors: Chenxi Zhang, Zhan (James) Chen, Zhijiang Li, Fei Wu, Hui Zhao