Patents by Inventor Graciela I. O de Portas

Graciela I. O de Portas 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).

  • Compound applicable as carrier for substances or active chemical, physical or biological products
    Patent number: 5182096
    Abstract: A particulate carrier for airborne suspensions of an active agent. The carrier is formed in situ by contacting a spray containing ammonia, a monoalkylamine or dialkylamine with a spray containing acetic acid and/or sulfur dioxide.
    Type: Grant
    Filed: November 9, 1990
    Date of Patent: January 26, 1993
    Inventors: Abelardo A. Portas, Graciela I. O de Portas