Patents by Inventor Gabriel J. Lauro

Gabriel J. Lauro 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).

  • Stabilized natural blue and green colorants
    Patent number: 7279189
    Abstract: A natural blue colorant solution comprising red cabbage liquid, aluminum sulfate and sodium bicarbonate is disclosed. The pH of the colorant solution is in the range of 3.8 to 4.2 and can be used to provide a blue hue when incorporated into products having a pH greater than 5.5. A highly stable blue colorant solution is created when the weight ratio of the aluminum sulfate and sodium bicarbonate is approximately 2:1. The blue colorant solution can be modified to create a natural green colorant solution by the addition of a natural yellow colorant and additional sodium bicarbonate.
    Type: Grant
    Filed: July 2, 2004
    Date of Patent: October 9, 2007
    Assignee: Colormaker, Inc.
    Inventor: Gabriel J. Lauro