Patents by Inventor Paula S. Kirk

Paula S. Kirk 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).

  • Flour fortification formulation comprising granulated riboflavin
    Patent number: 5254551
    Abstract: A flour fortification formulation comprises riboflavin in an amount of 0.5 to 10 weight percent. The riboflavin is in the form of a riboflavin granulate which exhibits a flowability index of from 75 to 750, an average granule size of from 50 microns to 300 microns. Furthermore, the granules comprise riboflavin in an amount of from 75 weight percent to 99.5 weight percent.
    Type: Grant
    Filed: April 30, 1990
    Date of Patent: October 19, 1993
    Inventors: Paula S. Kirk, Douglass N. Schmidt
  • Color stabilization system for beta-carotene in dry food mixes
    Patent number: 5023095
    Abstract: A color-stabilized food coloring composition is disclosed. The composition contains beta-carotene dispersions, at least one edible oil and dl-alpha-tocopherol. When applied to a dry food substrate, the composition has enhanced color stability. Also disclosed are coated substrates and a method of coating substrates with the color-stabilized food coloring compositions.
    Type: Grant
    Filed: June 8, 1990
    Date of Patent: June 11, 1991
    Assignee: BASF Corporation
    Inventor: Paula S. Kirk
  • Stable, water miscible emulsion comprising a fat-soluble vitamin
    Patent number: 4966779
    Abstract: A stable, water-miscible emulsion comprises specific proportions of (a) a fat-soluble vitamin (b) a liquid, edible vegetable oil, (c) a modified lecithin (d) a sucrose ester (e) sorbitan monooleate (f) a sugar alcohol and (g) water. The emulsion has an average droplet size of from about 0.5 microns to about 8 microns. The emulsion does not separate into distinct phases upon standing for prolonged periods of time.
    Type: Grant
    Filed: December 21, 1989
    Date of Patent: October 30, 1990
    Assignee: BASF Corporation
    Inventor: Paula S. Kirk
  • Process for making a spray-dried, directly-compressible vitamin powder comprising unhydrolyzed gelatin
    Patent number: 4892889
    Abstract: A process for making a directly-compressible vitamin powder utilizes a conventional spray-dryer. The resulting powder is comprised of a fat-soluble vitamin, a water-soluble carbohydrate, and a gelatin having a bloom number between 30 and 300.
    Type: Grant
    Filed: October 2, 1987
    Date of Patent: January 9, 1990
    Assignee: BASF Corporation
    Inventors: Paula S. Kirk, Dale R. Olson