Patents by Inventor David R. Farr

David R. Farr 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).

  • 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
  • Process for debittering a protein hydrolysate and the debittered hydrolysate obtained by this process
    Patent number: 4293583
    Abstract: The invention relates to the treatment of protein hydrolysates with a view to reducing their content of bitter substances.This process comprises contacting the hydrolysate with a solid ligneous adsorbent of vegetable origin, for example based on carob, and collecting the debittered hydrolysate after separation from the adsorbent.
    Type: Grant
    Filed: January 23, 1980
    Date of Patent: October 6, 1981
    Assignee: Societe d'Assistance Technique pour Produits Nestle S.A.
    Inventors: David R. Farr, Daniele Magnolato
  • Infusing bag containing combination of dried extract and ligneous adsorbent and process of preparing same
    Patent number: 4204004
    Abstract: An aqueous extract of a vegetable material is treated with a view to reducing its caffeine and/or chlorogenic acid content. The treatment is with a solid ligneous adsorbent of vegetable origin in divided form at a temperature of from 0.degree. to 100.degree. C. so as to absorb the caffeine and the chlorogenic acid. The combination of extract and ligneous adsorbent is dried by freeze-drying. The dried combination is thereafter introduced into infusing bags. On infusing the bags in hot water, an extract is obtained in partially decaffeinated and partially deacidified form.
    Type: Grant
    Filed: March 22, 1979
    Date of Patent: May 20, 1980
    Assignee: Societe d'Assistance Technique pour Produits Nestle S.A.
    Inventors: David R. Farr, Ian Horman
  • Process for treating an aqueous extract of a vegetable material
    Patent number: 4160042
    Abstract: An aqueous extract of a vegetable material is treated with a view to reducing its caffeine and/or chlorogenic acid content. The treatment is with a solid ligneous adsorbent of vegetable origin in divided form at a temperature of from 0.degree. to 100.degree. C. so as to absorb the caffeine and the chlorogenic acid. Preferably adsorption takes place at a temperature of at most 30.degree. C. and the overall process includes the following subsequent steps:Separating the adsorbent from the aqueous extract,Washing the adsorbent with water at a temperature of from 0.degree. to 30.degree. C. so as to displace the non-specifically associated soluble constituents and combining washing waters with the aqueous extract,Subjecting the adsorbent to lixiviation with hot water at at least 60.degree. C.
    Type: Grant
    Filed: October 17, 1977
    Date of Patent: July 3, 1979
    Inventors: David R. Farr, Ian Horman