Patents by Inventor Charles W. Gayser

Charles W. Gayser 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).

  • Dry-powder film coating composition and method of preparation
    Patent number: 6884288
    Abstract: An edible dry-powder formulation of a film coating for pharmaceuticals and confectioneries using gum acacia as a low-cost film former is provided. A cellulosic polymer such as hydroxypropyl methylcellulose is used in addition to the gum acacia. A plasticizer such as propylene glycol is also added. The resulting formulation is a dry, free flowing powder that can be put into solution and applied to a tablet or other substrate without an extended waiting period. The resulting film coating is clear, shiny, durable and extremely economical. Because the formulation is a dry powder, it has along shelf life and low shipping costs.
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: April 26, 2005
    Assignee: Chr. Hansen, Inc.
    Inventors: Charles W. Gayser, Jr., Jean-Paul Goyette
  • Dry-powder film coating composition and method of preparation
    Publication number: 20040096503
    Abstract: An edible dry-powder formulation of a film coating for pharmaceuticals and confectioneries using gum acacia as a low-cost film former is provided. A cellulosic polymer such as hydroxypropyl methylcellulose is used in addition to the gum acacia. A plasticizer such as propylene glycol is also added. The resulting formulation is a dry, free flowing powder that can be put into solution and applied to a tablet or other substrate without an extended waiting period. The resulting film coating is clear, shiny, durable and extremely economical. Because the formulation is a dry powder, it has along shelf life and low shipping costs.
    Type: Application
    Filed: November 12, 2003
    Publication date: May 20, 2004
    Applicant: Chr. Hansen, Inc.
    Inventors: Charles W. Gayser, Jean-Paul Goyette
  • Dry-powder film coating composition and method of preparation
    Patent number: 6660302
    Abstract: An edible dry-powder formulation of a film coating for pharmaceuticals and confectionaries using gum acacia as a low-cost film former is provided. A cellulosic polymer such as hydroxypropyl methylcellulose is used in addition to the gum acacia. A plasticizer such as propylene glycol is also added. The resulting formulation is a dry, free flowing powder that can be put into solution and applied to a tablet or other substrate without an extended waiting period. The resulting film coating is clear, shiny, durable and extremely economical. Because the formulation is a dry powder, it has along shelf life and low shipping costs.
    Type: Grant
    Filed: September 6, 2000
    Date of Patent: December 9, 2003
    Assignee: Chr. Hansen, Inc.
    Inventors: Charles W. Gayser, Jr., Jean-Paul Goyette