Patents by Inventor Carl R. Steuernagel

Carl R. Steuernagel 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: 5258436
    Abstract: A water dispersible polymeric film-forming particulate composition for use in coating pharmaceuticals and foods or the like, produced by freeze-drying an aqueous solution of water-soluble cellulose acetate as the film-forming polymer, a plasticizer, and optionally a pigment, is described. The product mixes readily with water to form an aqueous dispersion which is applied in the conventional manner to solid pharmaceutical forms.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: November 2, 1993
    Assignee: FMC Corporation
    Inventors: Thomas A. Wheatley, Clayton I. Bridges, Jr., Carl R. Steuernagel
  • Patent number: 5248516
    Abstract: A water dispersible film-forming particulate composition for use in coating pharmaceuticals and foods or the like, produced by freeze-drying an aqueous solution of a water-soluble polymer, a plasticizer, and optionally a pigment, is described. The product mixes readily with water to form an aqueous dispersion which is applied in the conventional manner to solid pharmaceutical forms.
    Type: Grant
    Filed: September 12, 1991
    Date of Patent: September 28, 1993
    Assignee: FMC Corporation
    Inventors: Thomas A. Wheatley, Clayton I. Bridges, Jr., Carl R. Steuernagel
  • Patent number: 5206030
    Abstract: A water-dispersible, particulate film-forming composition is produced by blending a mixture of particles of water-soluble cellulose acetate; pigment particles, a plasticizer for the water-soluble cellulose acetate, and a surfactant. The composition is useful as a film-forming material for coating solid pharmaceutical forms.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: April 27, 1993
    Assignee: FMC Corporation
    Inventors: Thomas A. Wheatley, Clayton I. Bridges, Jr., Carl R. Steuernagel