Patents by Inventor Ellis Liu

Ellis Liu 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).

  • High amylose dog chew formulation
    Patent number: 7722911
    Abstract: The invention provide methods and materials for producing nutritious pet chews comprising an edible thermoplastic comprising from 45 to 80 wt. % starch selected from one or more potato and non-potato starches wherein said starch comprises at least 28% amylose as determined by size exclusion chromatography if less than 50% of said starch is potato starch or at least 20% amylose as determined by size exclusion chromatography if greater than or equal to 50% of said starch is potato starch; from 5 to 25 wt. % plasticizer; 2% to 15 wt % of a humectant and from 5 to 25 wt. % water.
    Type: Grant
    Filed: July 30, 2007
    Date of Patent: May 25, 2010
    Assignee: Penford Food Corporation
    Inventors: Ellis Liu, Ted Lengwin, Wallace H. Kunerth, Jeffrey Smith, James M. Quarles
  • High amylose dog chew formulation
    Publication number: 20080063775
    Abstract: The invention provide methods and materials for producing nutritious pet chews comprising an edible thermoplastic comprising from 45 to 80 wt. % starch selected from one or more potato and non-potato starches wherein said starch comprises at least 28% amylose as determined by size exclusion chromatography if less than 50% of said starch is potato starch or at least 20% amylose as determined by size exclusion chromatography if greater than or equal to 50% of said starch is potato starch; from 5 to 25 wt. % plasticizer; 2% to 15 wt % of a humectant and from 5 to 25 wt. % water.
    Type: Application
    Filed: July 30, 2007
    Publication date: March 13, 2008
    Applicant: PENFORD FOOD CORPORATION
    Inventors: Ellis Liu, Ted Lengwin, Wallace Kunerth, Jeffrey Smith, James Quarles