Patents by Inventor David SHTERN

David SHTERN 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: 20210317256
    Abstract: Described herein is an isocyanate composition, a polyurethane foam obtained therefrom and a method of using the polyurethane foam in an article.
    Type: Application
    Filed: August 8, 2019
    Publication date: October 14, 2021
    Inventors: David SHTERN, Michael J KRUPA
  • Patent number: 10894857
    Abstract: A method of forming a polyurethane foam article includes the step of forming a resin composition. The resin composition includes a polyol component, an amine catalyst, and a blowing component. The blowing component includes a hydrofluoroolefin and formic acid. The method also includes the steps of combining the resin composition, a recycled resin composition, and an isocyanate component to form a reaction mixture and discharging the reaction mixture to form the polyurethane foam article.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: January 19, 2021
    Assignee: BASF SE
    Inventors: Michael J. Krupa, Robert S. Coleman, David Shtern
  • Publication number: 20180066099
    Abstract: A method of forming a polyurethane foam article includes the step of forming a resin composition. The resin composition includes a polyol component, an amine catalyst, and a blowing component. The blowing component includes a hydrofluoroolefin and formic acid. The method also includes the steps of combining the resin composition, a recycled resin composition, and an isocyanate component to form a reaction mixture and discharging the reaction mixture to form the polyurethane foam article.
    Type: Application
    Filed: March 9, 2016
    Publication date: March 8, 2018
    Applicant: BASF SE
    Inventors: Michael J. KRUPA, Robert S. COLEMAN, David SHTERN