Patents by Inventor Brenda Hamilton

Brenda Hamilton 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).

  • Patent number: 5435993
    Abstract: An 80% VOC, single phase aerosol hair spray composition based on greater than 15% hydrocarbons as propellant is described. The composition includes a predetermined small amount of dimethyl ether as cosolvent to assure solubilization of the hair fixative resin, alcohol, water and hydrocarbon components of the composition within a single phase.
    Type: Grant
    Filed: July 18, 1994
    Date of Patent: July 25, 1995
    Assignee: ISP Investments Inc.
    Inventors: Brenda Hamilton, Edward W. Walls, Jr.
  • Patent number: D900338
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: October 27, 2020
    Inventor: Brenda Hamilton