Patents by Inventor Nicholas Tesson

Nicholas Tesson 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).

  • PROCESS FOR PREPARING FLUORESCEIN QUINOID FORM
    Publication number: 20200039949
    Abstract: The present invention relates to a process for preparing fluorescein quinoid form of Formula (I): Furthermore, the present invention relates to a new solid fluorescein form and a process for the preparation thereof. The present invention also relates to the use of said new solid fluorescein form in the synthesis of fluorescein quinoid form.
    Type: Application
    Filed: July 31, 2019
    Publication date: February 6, 2020
    Applicant: Delmar Chemicals Inc.
    Inventors: Nicholas Tesson, Eduard Bugan, Nadejda Spassova