Patents by Inventor Peter E. Hicks

Peter E. Hicks 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).

  • Novel benzopyran derivatives
    Patent number: 5447943
    Abstract: Compounds of the Formula: ##STR1## wherein: R.sup.1-7 are as defined in the specification. The compounds and salts exhibit useful pharmacological properties, including potassium channel activating properties and 5-lipoxygenase inhibiting properties, and in particular are useful as smooth muscle relaxants and bronchodilators.
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: September 5, 1995
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Alistair W. Lochead, Michel J. Navet, Peter E. Hicks
  • Benzopyran derivatives
    Patent number: 5250547
    Abstract: Compounds of the Formula: ##STR1## wherein: R.sup.1 and R.sup.2 are independently hydrogen or lower alkyl, or when taken together with the carbon to which they are attached are cycloalkyl of 3 to 8 carbon atoms;R.sup.3 is fluoro lower alkyl; cyano; or nitro;R.sup.4 is ##STR2## R.sup.5 and R.sup.6 are independently hydrogen or lower alkyl; and R.sup.7 is --NR.sup.8 R.sup.9 ; wherein:R.sup.8 is hydrogen; lower alkyl; lower alkoxy; hydroxy; or hydroxy lower alkyl; andR.sup.9 is hydrogen; lower alkyl; hydroxy lower alkyl; --SO.sub.2 R.sup.10 ; --CO.sub.2 R.sup.10 ; --C(O)NR.sup.11 R.sup.12 ; --C(S)NR.sup.11 R.sup.12 ; or --C(O)R.sup.12 ;whereinR.sup.10 is lower alkyl;R.sup.11 is hydrogen or lower alkyl; andR.sup.12 is hydrogen, lower alkyl, or fluoro lower alkyl;with the proviso that R.sup.8 and R.sup.9 cannot both be hydrogen; and the pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: August 29, 1991
    Date of Patent: October 5, 1993
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Alistair W. Lochead, Michel J. Navet, Peter E. Hicks