Patents by Inventor Marcel Gelfort

Marcel Gelfort 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).

  • Hydrolysis-resistant compositions comprising polyethylene terephthalate (PET)
    Publication number: 20220411605
    Abstract: The invention relates to hydrolysis-resistant compositions comprising polyethylene terephthalate (PET), production processes, and use of the said compositions.
    Type: Application
    Filed: April 7, 2022
    Publication date: December 29, 2022
    Applicant: LANXESS Deutschland GmbH
    Inventors: Wilhelm Laufer, Marcel Gelfort
  • Hydrolysis-resistant compositions comprising polyethylene terephthalate (PET)
    Publication number: 20200231781
    Abstract: The invention relates to hydrolysis-resistant compositions comprising polyethylene terephthalate (PET), production processes, and use of the said compositions.
    Type: Application
    Filed: January 20, 2020
    Publication date: July 23, 2020
    Applicant: LANXESS Deutschland GmbH
    Inventors: Wilhelm Laufer, Marcel Gelfort