Patents by Inventor Viktor R. Vaax

Viktor R. Vaax 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).

  • Culture medium for cultivation of fodder yeasts
    Patent number: 4178214
    Abstract: Increased yield of fodder yeasts is obtained with a culture medium containing peat hydrolysate, ligneous waste hydrolysate and sources of nitrogen, phosphorus and potassium. The peat hydrolysate is obtained by hydrolysis of peat with sulphuric acid and the hydrolysate has a pH of 4.0 to 4.4.
    Type: Grant
    Filed: September 8, 1977
    Date of Patent: December 11, 1979
    Inventors: Zinaida P. Shishkova, Arvid Y. Kalninsh, Juris P. Gailitis, Uldis Y. Shmit, Nikolai A. Vedernikov, Valter P. Krastinsh, Damir A. Kalinkin, Viktor R. Vaax, Maria A. Zinina, Vasily D. Belyaev, Nikolai S. Maximenko, Yakov V. Epshtein