Patents by Inventor Hans-Ueli Bohren

Hans-Ueli Bohren 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: 4871573
    Abstract: A milk powder having lactose in essentially crystallized form and from 20% to 30% fats by weight of dry matter of which from 20% to 90% are in the free state is produced by seeding a material of lactic origin with fine lactose crystals to initiate crystallization of lactose. A dispersion forms, fats are added, and the material is spray dried.
    Type: Grant
    Filed: October 30, 1986
    Date of Patent: October 3, 1989
    Assignee: Nestec S. A.
    Inventors: Hans-Ueli Bohren, Theo W. Kuypers, Niklaus Meister
  • Patent number: 4125527
    Abstract: A process for isolating a protein fraction from an aqueous solution or suspension containing the said fraction in admixture with other substances, which comprises subjecting the aqueous solution or suspension to ultrafiltration to obtain a retentate, diluting the retentate, subjecting the diluted retentate to at least one further ultrafiltration treatment and recovering a retentate containing the protein fraction.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: November 14, 1978
    Assignee: Societe d'Assistance Technique S.A. pour Produits Nestle
    Inventors: Marcel Buhler, Hans-Ueli Bohren, Theodore Hodel, Valentin Wenner
  • Patent number: 4018752
    Abstract: A process for isolating a protein fraction from an aqueous solution or suspension containing the said fraction in admixture with other substances, which comprises subjecting the aqueous solution or suspension to ultrafiltration to obtain a retentate, diluting the retentate, subjecting the diluted retentate to at least one further ultrafiltration treatment and recovering a retentate containing the protein fraction.
    Type: Grant
    Filed: July 25, 1974
    Date of Patent: April 19, 1977
    Assignee: Societe d'Assistance Technique pour Produits Nestle S.A.
    Inventors: Marcel Buhler, Hans-Ueli Bohren, Theodore Hodel