Patents by Inventor Hubert Duperrex

Hubert Duperrex 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).

  • Demineralization of whey
    Patent number: 4138501
    Abstract: A process for the treatment of milk serum in order to obtain a demineralized milk serum, which comprises subjecting the milk serum, in a clarified and skimmed state, to electrodialysis, and then to ion exchange with the aid of a strong cation exchange resin in the H.sup.+ cycle and a weak anion exchange resin in the OH.sup.- cycle.
    Type: Grant
    Filed: May 1, 1978
    Date of Patent: February 6, 1979
    Assignee: Societe d'Assistance Technique Pour Produits Nestle S.A.
    Inventors: Michel Chaveron, Jaak-Juri Sihver, Hubert Duperrex