Patents by Inventor Cleveland L. Hughes

Cleveland L. Hughes 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: 5336306
    Abstract: Water soluble coloring compositions are provided that contain a stable and uniform suspension of color and sparkle or glitter components. The process for producing the coloring compositions employs a lower temperature range than the prior art; this reduces the need for equipment heating and enables the equipment to be more readily cleaned.
    Type: Grant
    Filed: October 2, 1992
    Date of Patent: August 9, 1994
    Assignee: Color Quest Inc.
    Inventors: Cleveland L. Hughes, Timothy N. Williams, Paul M. Mandel
  • Patent number: 4859242
    Abstract: Water soluble coloring compositions are provided that contain a stable and uniform suspension of color and sparkle or glitter components. The process for producing the coloring compositions employs a lower temperature range than the prior art; this reduces the need for equipment heating and enables the equipment to be more readily cleaned.
    Type: Grant
    Filed: March 16, 1987
    Date of Patent: August 22, 1989
    Assignee: Color Quest Inc.
    Inventors: Cleveland L. Hughes, Timothy N. Williams, Paul M. Mandel, Jr.
  • Patent number: 4840669
    Abstract: Water soluble coloring compositions are provided that contain a stable and uniform suspension of color and sparkle or glitter components. The process for producing the coloring compositions employs a lower temperature range than the prior art; this reduces the need for equipment heating and enables the equipment to be more readily cleaned.
    Type: Grant
    Filed: March 16, 1987
    Date of Patent: June 20, 1989
    Assignee: Color Quest Inc.
    Inventors: Cleveland L. Hughes, Timothy N. Williams, Paul M. Mandel, Jr.
  • Patent number: 4840670
    Abstract: Water soluble coloring compositions are provided that contain a stable and uniform suspension of color and sparkle or glitter components. The process for producing the coloring compositions employs a lower temperature range than the prior art; this reduces the need for equipment heating and enables the equipment to be more readily cleaned.
    Type: Grant
    Filed: March 16, 1987
    Date of Patent: June 20, 1989
    Assignee: Color Quest Inc.
    Inventors: Cleveland L. Hughes, Timothy N. Williams, Paul M. Mandel, Jr.