Patents by Inventor Ross Christian OPSAHL

Ross Christian OPSAHL 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).

  • FORMULATION FOR THE TREATMENT OF ACNE
    Publication number: 20190321329
    Abstract: Peroxide of the formula wherein R1 is selected from linear and branched alkyl groups with 1-4 carbon atoms, and R2, R3, and R4 are selected from hydrogen and linear and branched alkyl groups with 1-4 carbon atoms, for use as a medicament, in particular for the treatment of acne.
    Type: Application
    Filed: April 18, 2019
    Publication date: October 24, 2019
    Inventors: Ross Christian OPSAHL, Steluta Gina BUTUC
  • Formulation for the treatment of acne
    Patent number: 10278945
    Abstract: Peroxide of the formula wherein R1 is selected from linear and branched alkyl groups with 1-4 carbon atoms, and R2, R3, and R4 are selected from hydrogen and linear and branched alkyl groups with 1-4 carbon atoms, for use as a medicament, in particular for the treatment of acne.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: May 7, 2019
    Assignee: Akzo Nobel Chemicals International B.V.
    Inventors: Ross Christian Opsahl, Steluta Gina Butuc
  • FORMULATION FOR THE TREATMENT OF ACNE
    Publication number: 20190022050
    Abstract: Peroxide of the formula wherein R1 is selected from linear and branched alkyl groups with 1-4 carbon atoms, and R2, R3, and R4 are selected from hydrogen and linear and branched alkyl groups with 1-4 carbon atoms, for use as a medicament, in particular for the treatment of acne.
    Type: Application
    Filed: August 25, 2016
    Publication date: January 24, 2019
    Inventors: Ross Christian OPSAHL, Steluta Gina BUTUC