Patents by Inventor Joseph E. Saavedra

Joseph E. Saavedra 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: 5525357
    Abstract: A polymeric composition capable of releasing nitric oxide including a polymer and a nitric oxide-releasing N.sub.2 O.sub.2.sup.- functional group bound to the polymer; pharmaceutical compositions including the polymeric composition; and methods for treating biological disorders in which dosage with nitric oxide is beneficial. The compositions can be used as and/or incorporated into implants, injectables, condoms, prosthesis coatings, patches, and the like for use in a wide variety of medical applications.
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: June 11, 1996
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Larry K. Keefer, Joseph A. Hrabie, Joseph E. Saavedra
  • Patent number: 5366997
    Abstract: There are disclosed cardiovascularly active compounds possessing antihypertensive properties, and pharmaceutical compositions containing these agents and a method of treating cardiovascular disorders with the compounds. The active components of the pharmaceutical compositions are compounds of formula I ##STR1## wherein R.sub.1 and R.sub.2 are independently chosen from straight chain and branched chain alkyl and olefinic groups, which may be unsubstituted or substituted; or R.sub.1 and R.sub.2 together with the nitrogen atom they are bonded to form a heterocyclic group; and R.sub.3 is a pharmaceutically acceptable organic group selected from alkyl and olefinic groups which may be unsubstituted or substituted, acyl, a sulfonyl, sulfinyl, sulfenyl, carbonate, or carbamate derivative; or R.sub.3 is a group of the formula--(CH.sub.2).sub.n ONN(O)NR.sub.1 R.sub.2, wherein n is 2-8, and R.sub.1 and R.sub.2 are as described above. Novel compounds are disclosed wherein at least one of R.sub.1, R.sub.2 and R.sub.
    Type: Grant
    Filed: September 23, 1992
    Date of Patent: November 22, 1994
    Assignee: The United States of America as represented by the Secretary of the Department of Health and Human Services
    Inventors: Larry K. Keefer, Tambra M. Dunams, Joseph E. Saavedra