Patents by Inventor Corine M. Nielsen

Corine M. Nielsen 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: 4552769
    Abstract: A process for preparing a powdered tea extract characterized in that black tea leaves are extracted with hot water to give a first extract which is separated from the tea leaves, concentrated to a solids content of from 5% to 12.5%, and then cooled to a temperature from 5.degree. C. to 15.degree. C. to form an insoluble cream which is separated from the concentrated first extract and then extracted with water at a temperature of from 40.degree. C. to 70.degree. C. to give a second extract which is separated from the remaining insoluble cream, after which the first and second extracts are mixed and dried.
    Type: Grant
    Filed: April 1, 1985
    Date of Patent: November 12, 1985
    Assignee: Nestec S.A.
    Inventors: Tito L. Lunder, Corine M. Nielsen
  • Patent number: 4490402
    Abstract: A process for preparing a powdered tea extract wherein black tea leaves are macerated with water, the macerated leaves are extracted first with cold water and then with hot water after which the cold and hot extracts are mixed before being concentrated and dried.
    Type: Grant
    Filed: March 4, 1983
    Date of Patent: December 25, 1984
    Assignee: Societe d'Assistance Technique Pour Produits Nestle S. A.
    Inventors: Tito L. Lunder, Corine M. Nielsen
  • Patent number: 4357361
    Abstract: A process for the preparation of a powdered black tea extract which comprises contacting black tea leaves with water which has previously been infused at ambient temperature with another vegetable material, maintaining at ambient temperature for a time sufficient to achieve good contact of the tea leaves with the water, heating to a temperature of at least 60.degree. C., afterwards separating the aqueous extract from the solid material and finally drying the aqueous extract.
    Type: Grant
    Filed: June 11, 1981
    Date of Patent: November 2, 1982
    Assignee: Societe d'Assistance Technique pour Produits Nestle S.A.
    Inventors: Tito L. Lunder, Corine M. Nielsen