Patents by Inventor William Joseph Mergens

William Joseph Mergens 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).

  • Vitamin powders for beverage applications and method of making
    Patent number: 6162474
    Abstract: The present invention provides a powder composition which comprises droplets of a fat soluble vitamin which droplets average about 70 to about 200 nanometers in diameter, and which are dispersed in a modified polysaccharide matrix, beverages and tablets containing the composition, and methods of making the composition.
    Type: Grant
    Filed: June 24, 1999
    Date of Patent: December 19, 2000
    Assignee: Roche Vitamins Inc.
    Inventors: Chyi-Cheng Chen, William Joseph Mergens, Mark Cordes Milbank
  • Process for manufacture of carotenoid compositions
    Patent number: 6093348
    Abstract: A method for the manufacture of carotenoid powders is disclosed. In the disclosed method, an aqueous suspension of the carotenoid is heated to melt the carotenoid, the suspension is then homogenized under pressure to form an emulsion, and the resulting emulsion is dried to obtain the carotenoid powder.
    Type: Grant
    Filed: May 12, 1997
    Date of Patent: July 25, 2000
    Assignee: Roche Vitamins Inc.
    Inventors: Ray Edward Kowalski, William Joseph Mergens, Leonard Joseph Scialpi
  • Treatment of tobacco with ascorbic acid
    Patent number: 3958580
    Abstract: The amount of nitrogen dioxide in tobacco smoke is materially reduced by bringing the smoke into contact with uncombusted tobacco having dispersed therein an effective amount of a composition comprising a pharmaceutically acceptable salt of ascorbic acid or erthorbic acid or mixtures of such salts with their respective acids wherein the molar ratio of acid to salt does not exceed about 3:1.
    Type: Grant
    Filed: March 25, 1975
    Date of Patent: May 25, 1976
    Assignee: Hoffmann-La Roche Inc.
    Inventors: William Joseph Mergens, Harold Leon Newmark