Patents by Inventor Mujahid L. Shaikh

Mujahid L. Shaikh 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).

  • Patent number: 4666909
    Abstract: Compounds of the formula: ##STR1## wherein, R is H, alkyl, cycloalkyl, aryl or heteroaryl;R.sub.1 is H, alkyl, cycloalkyl, aryl, heteroaryl, substituted heteroaryl, aralkyl, substituted aryl, halo, OR.sup.2, SR.sup.2, NR.sub.2, CF.sub.3, NO.sub.2, CN, COOR.sup.2, CHO, SO.sub.3 H or SO.sub.2 NH.sub.2,whereinR.sup.2 is H, methyl, ethyl or propyl;Y is ##STR2## Z is O, S, NH or CH.sub.2 ; X is ##STR3## wherein R.sup.2 is H, methyl, ethyl or propyl;n is 1-10, and pharmaceutically acceptable salts thereof have antiallergy and antiinflammatory activity.
    Type: Grant
    Filed: September 16, 1985
    Date of Patent: May 19, 1987
    Assignee: USV Pharmaceutical Corp.
    Inventors: Howard Jones, Ernest Magnien, John H. Musser, Mujahid L. Shaikh
  • Patent number: 4552876
    Abstract: Compounds of the formula: ##STR1## wherein, R is H, alkyl, cycloalkyl, aryl, or heteroaryl;R.sub.1 is H, alkyl, cycloalkyl, aryl, heteroaryl, substituted heteroaryl, aralkyl, substituted aryl, halo, OR.sup.2, SR.sup.2, NR.sub.2, CF.sub.3, NO.sub.2, CN, COOR.sup.2, CHO, SO.sub.3 H or SO.sub.2 NH.sub.2,whereinR.sup.2 is H, methyl, ethyl or propyl;Y is ##STR2## Z is O, S, NH or CH.sub.2 ; X is --CH.sub.2 --, ##STR3## or --(CH.sub.2).sub.n CHOH(CH.sub.2).sub.n --; whereinR.sup.2 is H, methyl, ethyl or propyl;n is 1-10, and pharmaceutically acceptable salts thereof have antiallergy and antiinflammatory activity.
    Type: Grant
    Filed: July 9, 1984
    Date of Patent: November 12, 1985
    Assignee: USV Pharmaceutical Corp.
    Inventors: Howard Jones, Ernest Magnien, John H. Musser, Mujahid L. Shaikh