Patents by Inventor Charles S. Sell

Charles S. Sell 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).

  • Reaction of alkenes with epoxides, the products thereof and their use as fragrance compounds
    Patent number: 6444637
    Abstract: Lewis acid-catalyzed reaction of an alkene, including cycloalkenes, with an epoxide to provide an aldehyde which may be reduced to the corresponding alcohol. The reaction products may be used to provide perfumes or perfume products.
    Type: Grant
    Filed: June 22, 2000
    Date of Patent: September 3, 2002
    Assignee: Quest International B.V.
    Inventors: David Munro, Charles S. Sell
  • Perfumery materials
    Patent number: 5175143
    Abstract: Novel perfumery chemicals having a cyclic acetal structure and providing a variety of perfume notes, especially amber, are described. They are prepared by reacting specified diols and aldehydes/ketones.
    Type: Grant
    Filed: February 10, 1992
    Date of Patent: December 29, 1992
    Assignee: Unilever Patent Holdings B.V.
    Inventors: Christopher P. Newman, Karen J. Rossiter, Charles S. Sell
  • Aliphatic nitriles
    Patent number: 4579680
    Abstract: This invention provides perfume compositions containing certain substituted saturated aliphatic nitriles and some novel nitriles useful as perfumery components.
    Type: Grant
    Filed: November 13, 1984
    Date of Patent: April 1, 1986
    Assignee: Internationale Octrooi Maatschappij "Octropa" B.V.
    Inventor: Charles S. Sell