Patents by Inventor Nasser N. Tehrani

Nasser N. Tehrani 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).

  • Rapid hair pH indication and solution therefor
    Patent number: 4960585
    Abstract: A solution for the rapid indication of hair pH and method of determining hair pH and restoration of hair to its isoionic range with buffered conditioning rinses.
    Type: Grant
    Filed: February 7, 1990
    Date of Patent: October 2, 1990
    Inventor: Nasser N. Tehrani