Patents by Inventor Hans Weymuth

Hans Weymuth 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: 5079019
    Abstract: Chlorohydrins are eliminated from protein hydrolysates by countercurrent liquid/liquid extraction using 1-butanol, 2-butanol, isobutanol, or methyl ethyl ketone as a solvent.
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: January 7, 1992
    Assignee: Nestec S.A.
    Inventors: Pierre Hirsbrunner, Hans Weymuth
  • Patent number: 4636399
    Abstract: A process for the removal of nitrate and nitrite ions from a plant material containing such ions which comprises treating the plant material at a temperature of at least 70.degree. C. with a food acceptable ferrous salt in an aqueous acid medium having a pH no greater than 3.
    Type: Grant
    Filed: June 7, 1984
    Date of Patent: January 13, 1987
    Assignee: Nestec S. A.
    Inventors: Tuan Nguyen, Pierre Hirsbrunner, Hans Weymuth