Patents by Inventor Tapani Suortti

Tapani Suortti 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).

  • Chromatographic purification of cyclosporing using a high pressure carbon dioxide eluent
    Patent number: 5976381
    Abstract: A process is provided for the preparation of pure cyclosporin which is purified chromatographically from a mixture of different cyclosporin forms and other substances prepared by fermentation. The process comprises feeding a mixture containing a desired form of cyclosporin with an eluent consisting of high pressure carbon dioxide and an adjuvant, into a chromatography column being packed with particles prepared of silica, and recovering from the eluent flow coming out of the chromatography column a fraction which contains the desired cyclosporin form in adequately pure form.
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: November 2, 1999
    Assignee: Santen Oy
    Inventors: Juhani Lundell, Jarkko Ruohonen, Olli Aaltonen, Martti Alkio, Anneli Hase, Tapani Suortti
  • 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