Patents by Inventor Jurg Loliger

Jurg Loliger 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).

  • Process for protecting a fat against oxidation
    Patent number: 5427814
    Abstract: A fat is protected from oxidation by, in one process embodiment, forming a mixture of tocopherol and lecithin at a temperature not greater than 60.degree. C., mixing ascorbic acid dissolved in a polar solvent into the tocopherol and lecithin mixture, eliminating the solvent from the mixture at a temperature not greater than 60.degree. C. and then, incorporating the mixture into a fat. In another embodiment, lecithin is added to a fat, and tocopherol and ascorbic acid dissolved in a polar solvent are added to the lecithin-added fat after which, the solvent is eliminated from the fat.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: June 27, 1995
    Assignee: Nestec S.A.
    Inventors: Jurg Loliger, Francoise Saucy
  • Process for preparing synergic antioxidant mixture
    Patent number: 5364886
    Abstract: An antioxidant for fat is prepared from tocopherol, ascorbic acid and lecithin. In one embodiment, a mixture of tocopherol and a lecithin first is made at a temperature not greater than 60.degree. C. Ascorbic acid dissolved in a polar solvent is added to the mixture and the solvent is eliminated at a temperature not greater than 60.degree. C. Alternatively, a lecithin is added to a fat. Tocopherol and ascorbic acid are dissolved in a polar solvent which is then added to the lecithin-added fat.
    Type: Grant
    Filed: October 31, 1991
    Date of Patent: November 15, 1994
    Assignee: Nestec S.A.
    Inventors: Jurg Loliger, Francoise Saucy
  • Protection of a food, cosmetic or pharmaceutical product against oxidation
    Patent number: 5258179
    Abstract: Foods, cosmetics and pharmaceuticals containing a lipid susceptible to oxidation are protected from oxidation by incorporating an effective amount of a coenzyme Q in a lipid phase of the food, cosmetic or pharmaceutical. Ascorbic acid and a phospholipid may be incorporated in combination with the coenzyme Q to provide synergistic protection from oxidation.
    Type: Grant
    Filed: January 28, 1993
    Date of Patent: November 2, 1993
    Assignee: Nestec S.A.
    Inventors: Umberto Bracco, Jurg Loliger, Francoise Saucy
  • Protection of Foodstuffs from oxidation
    Patent number: 4741915
    Abstract: Antioxidants containing purified and hydrolyzed gallotannins are derived from plant materials and are incorporated into foodstuffs for inhibiting oxidation in the foodstuffs.
    Type: Grant
    Filed: June 27, 1984
    Date of Patent: May 3, 1988
    Assignee: Nestec S.A.
    Inventors: David R. Farr, Daniele Magnolato, Jurg Loliger