Patents by Inventor Karoly Vass

Karoly Vass 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 the production of a protein-vitamin concentrate by using yeasts from animal or vegetable fats and for its transformation into a product
    Patent number: 3966554
    Abstract: A protein-vitamin concentrate having a high proportion of dry yeast and a protein content of at least 50% and particularly rich in B-vitamins, is produced by cultivating yeast in a culture medium containing animal or vegetable fat as a source of carbon, at a pH of 4 to 6 and a temperature of 30.degree. to 40.degree.C. and an aeration intensity of 150 to 300 cubic meters of air per square meter of fermenter base area per hour, the culture containing also an ammonium salt or carbamide as a source of nitrogen, the nitrogen content of the culture medium being 0.1-0.2%, the N:P ratio being 4:1, potassium and chloride ions being present in the form of 0.1-0.2% KCl, and Mg and SO.sub.4 ions being present as 0.080-0.1% MgSO.sub.4.
    Type: Grant
    Filed: June 20, 1973
    Date of Patent: June 29, 1976
    Assignee: Novex RT
    Inventors: Karoly Vass, Gyorgy Karpati, Eva Szechenyi-Marton, Ferenc Simek