Patents by Inventor Gary A. Coates

Gary A. Coates 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).

  • Pigment extraction system and method
    Publication number: 20040258809
    Abstract: A method for extracting a color-enhancing pigment includes separating citrus fruit into in-line pulp and juice and then separating the juice into clarified juice and retentate. The retentate or the in-line pulp is then homogenized to form a slurry, and the pigment is recovered from the slurry. The extraction method of the present invention is accomplished without the use of enzymes or harsh organic solvents, but rather is aqueous-based. The system includes an extractor and a finisher to separate citrus fruit into in-line pulp and juice. An ultrafiltration unit is used to separate the juice into clarified juice and retentate. Homogenization is accomplished with applied pressure, and pigment recovery, by washing and centrifugation.
    Type: Application
    Filed: July 19, 2004
    Publication date: December 23, 2004
    Inventors: Hyoung S. Lee, Gary A. Coates
  • Pigment extraction system and method
    Patent number: 6764703
    Abstract: A method for extracting a color-enhancing pigment includes separating grapefruit into in-line pulp and juice and then separating the juice into clarified juice and retentate. The retentate or the in-line pulp is then homogenized to form a slurry, and the pigment is recovered from the slurry. The extraction method of the present invention is accomplished without the use of enzymes or harsh organic solvents, but rather is aqueous-based. The system includes an extractor and a finisher to separate citrus fruit into in-line pulp and juice. An ultrafiltration unit is used to separate the juice into clarified juice and retentate. Homogenization is accomplished with applied pressure, and pigment recovery, by washing and centrifugation.
    Type: Grant
    Filed: October 1, 2001
    Date of Patent: July 20, 2004
    Assignee: Florida Department of Citrus
    Inventors: Hyoung S. Lee, Gary A. Coates
  • Pigment extraction system and method
    Publication number: 20030091704
    Abstract: A method for extracting a color-enhancing pigment includes separating grapefruit into in-line pulp and juice and then separating the juice into clarified juice and retentate. The retentate or the in-line pulp is then homogenized to form a slurry, and the pigment is recovered from the slurry. The extraction method of the present invention is accomplished without the use of enzymes or harsh organic solvents, but rather is aqueous-based. The system includes an extractor and a finisher to separate citrus fruit into in-line pulp and juice. An ultrafiltration unit is used to separate the juice into clarified juice and retentate. Homogenization is accomplished with applied pressure, and pigment recovery, by washing and centrifugation.
    Type: Application
    Filed: October 1, 2001
    Publication date: May 15, 2003
    Inventors: Hyoung S. Lee, Gary A. Coates