Patents by Inventor Patricia Herlihy

Patricia Herlihy 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).

  • Oxo C-ring benzopyrans
    Patent number: 4051152
    Abstract: Benzopyrans of the formula ##STR1## wherein n represents 0 or 1, R is an alkyl group having 1 to 20 carbon atoms, an aryl-lower alkyl group or a cycloalkyl-lower alkyl group, R.sub.1 is hydrogen or ##STR2## wherein R.sub.4 is lower alkyl, phenyl, cycloalkyl-lower alkyl or aryl-lower alkyl, R.sub.2 is a lower alkyl and R.sub.3 is hydrogen or one or two lower alkyl groups, pharmaceutical compositions containing the compounds, and uses of the compounds as tranquilizers and analgesics.
    Type: Grant
    Filed: January 7, 1976
    Date of Patent: September 27, 1977
    Assignee: Sharps Associates
    Inventors: Raj Kumar Razdan, Haldean Cloyce Dalzell, Patricia Herlihy