Patents by Inventor Feliks Gutmanis

Feliks Gutmanis 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).

  • Method for the production of selenium yeast
    Patent number: 4530846
    Abstract: A process for preparing selenium yeast having a high intracellular selenium content is provided which comprises the continuous incremental feeding of nutrients and selenium compounds to yeast during the growth cycle.
    Type: Grant
    Filed: February 15, 1983
    Date of Patent: July 23, 1985
    Assignee: Universal Foods Corporation
    Inventors: Tilak Nagodawithana, Feliks Gutmanis
  • Process for the production of osmotolerant yeast
    Patent number: 4420563
    Abstract: Osmotolerant yeasts having high activity in sweet doughs are obtained in high yield by incremental addition or feeding of salts such as NaCl, KCl, CaCl.sub.2, MgCl.sub.2, Na.sub.2 SO.sub.4, MgSO.sub.4, and K.sub.2 SO.sub.4 in the latter propagative stages of yeast production.
    Type: Grant
    Filed: June 17, 1982
    Date of Patent: December 13, 1983
    Assignee: Universal Foods Corporation
    Inventors: Shao L. Chen, Feliks Gutmanis