Patents Examined by Michael Shippin
  • Tetraalkyl substituted tricyclic ketone
    Patent number: 4301302
    Abstract: Described is the compound having the structure: ##STR1## which is used as an intermediate in preparing compounds having organoleptic properties for augmenting or enhancing the aroma or taste of consumable materials, which compounds have the structures: ##STR2##
    Type: Grant
    Filed: November 13, 1980
    Date of Patent: November 17, 1981
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, James M. Sanders, William L. Schreiber, Hugh Watkins, Joaquin F. Vinals, Edward J. Shuster, Thomas J. O'Rourke, Myrna L. Hagedorn, Philip Klemarczyk
  • D-Homosteroids
    Patent number: 4197406
    Abstract: The present disclosure is concerned with 17a-(m-iodobenzoyloxy) substituted D-homosteroids and a process for their manufacture. The compounds are useful as intermediates and also as hormonal agents, particularly progestational agents.
    Type: Grant
    Filed: May 7, 1979
    Date of Patent: April 8, 1980
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Leo Alig, Andor Furst, Marcel Muller, Ulrich Kerb, Rudolf Wiechert