Patents by Inventor James Giannotti

James Giannotti 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).

  • Method of producing 4-nitro-m-phenylenediamine sulfate
    Patent number: 6160179
    Abstract: A method of manufacture of 4-nitro-m-phenylenediamine sulfate is taught. The resultant compound is useful in the dyeing of keratinic fibers, particularly, human hair. It exhibits reduced toxicity and potential for damage to such fibers, and is easier to remove than are other known compounds.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: December 12, 2000
    Inventors: James Giannotti, Huayong Song