Patents by Inventor Seppo E. Kolehmainen

Seppo E. Kolehmainen 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: 4303752
    Abstract: A method is disclosed for measuring the concentration of nucleotides and the number of viable cells in a biological sample containing somatic and/or microbial cells by treatment of a sample of cells with surface active agents to selectively release the nucleotides without rupture of the cell membrane or walls, and measuring by means of a bioluminescent assay technique the concentration of nucleotides selectively released and thereby determining the number of viable cells in the sample.
    Type: Grant
    Filed: November 30, 1979
    Date of Patent: December 1, 1981
    Inventors: Seppo E. Kolehmainen, Veikko Tarkkanen