Patents by Inventor Chris DICUS

Chris DICUS 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: 20210171556
    Abstract: Methods for producing tenofovir disoproxil fumarate with improved purity are provided. In particular, methods for producing tenofovir disoproxil fumarate with reduced levels of chloromethyl isopropyl carbonate are described. Also described are compositions containing tenofovir disoproxil fumarate with improved purity, and an analysis method that can be used to determine the purity of such compositions with improved accuracy and sensitivity.
    Type: Application
    Filed: November 25, 2020
    Publication date: June 10, 2021
    Inventors: John JACOBSEN, Valerie CALDWELL, Chris DICUS, Patrick BERGET
  • Publication number: 20210094977
    Abstract: Methods for producing tenofovir disoproxil fumarate with improved purity are provided. In particular, methods for producing tenofovir disoproxil fumarate with reduced levels of chloromethyl isopropyl carbonate are described. Also described are compositions containing tenofovir disoproxil fumarate with improved purity, and an analysis method that can be used to determine the purity of such compositions with improved accuracy and sensitivity.
    Type: Application
    Filed: November 25, 2020
    Publication date: April 1, 2021
    Inventors: John JACOBSEN, Valerie CALDWELL, Chris DICUS, Patrick BERGET
  • Publication number: 20200207793
    Abstract: Methods for producing tenofovir disoproxil fumarate with improved purity are provided. In particular, methods for producing tenofovir disoproxil fumarate with reduced levels of chloromethyl isopropyl carbonate are described. Also described are compositions containing tenofovir disoproxil fumarate with improved purity, and an analysis method that can be used to determine the purity of such compositions with improved accuracy and sensitivity.
    Type: Application
    Filed: December 28, 2018
    Publication date: July 2, 2020
    Inventors: John JACOBSEN, Valerie CALDWELL, Chris DICUS, Patrick BERGET