Patents by Inventor Jitendra Patel

Jitendra Patel 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).

  • Product for improved permanent waving of hair and simultaneously coloring and permanently waving hair and method therefor
    Patent number: 5094662
    Abstract: By combining a fluoroscein-based dye with a mercaptan based permanent waving composition and maintaining the pH of the resulting composition between about 2.5 and 4.5, a composition is achieved which simultaneously colors and permanently waves the hair. In addition, even if no coloring or dyeing of the hair is desired, the use of a colorless or complimentary fluoroscein-based dye with the mercaptan based permanent waving composition achieves a composition which imparts a substantially improved curl configuration to the hair as well as substantially longer lasting curls. Preferably, the mercaptan based permanent waving composition employed comprises an ester of either thioglycolic acid, thiolactic acid, or the amide of 2-aminoethanethiol.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: March 10, 1992
    Assignee: Shiseido Co. Ltd.
    Inventors: Thomas M. Schultz, Jitendra Patel, Stephanie Wong