Patents Assigned to Yrjo Malkki
  • Procedure for producing enzymes
    Patent number: 4062730
    Abstract: The present invention concerns a procedure for the producing of enzymes which hydrolytically decompose proteins and peptides into amino acids and in which procedure the enzymes are produced in a bacterial culture consisting essentially of one or both of two new bacterial strains. In addition the invention concerns enzymes produced in accordance with the said procedure.
    Type: Grant
    Filed: May 4, 1976
    Date of Patent: December 13, 1977
    Assignees: Yrjo Malkki, Raimo Mattson, Pertti Markkanen
    Inventors: Yrjo Malkki, Leo Rouhiainen, Raimo Mattsson, Pertti Markkanen
  • Procedure for preserving root crops by deep freezing and their peeling
    Patent number: 4031253
    Abstract: The present invention concerns a procedure for preserving fully ripened potatoes and other root crops that have to be peeled, by deep freezing, and their peeling. In accordance with this invention the products to be preserved are preboiled or boiled and deep frozen in unpeeled condition, or alternatively in partly peeled condition, and the peeling proper is carried out after deep freezing.
    Type: Grant
    Filed: November 3, 1975
    Date of Patent: June 21, 1977
    Assignees: Mikko Tapani Suortti, Yrjo Malkki
    Inventors: Mikko Tapani Suortti, Yrjo Molkki, Olavi Elis Nikkila