Patents by Inventor Francisco J. E. Stefano

Francisco J. E. Stefano 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: 5506222
    Abstract: The present invention relates to spironolactone contain compositions for application to an area of human skin afflicted with acne, seborrheic condition or hirsutism. N,N-dialkyl lauramides are used as permeation enhancers.
    Type: Grant
    Filed: August 31, 1993
    Date of Patent: April 9, 1996
    Assignee: Laboratorios Beta S.A.
    Inventors: Francisco J. E. Stefano, Dario N. R. Carrara