Patents by Inventor Pirjo L. Karppanen

Pirjo L. Karppanen 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).

  • Mixture of salts and uses of the mixture
    Patent number: 4931305
    Abstract: Mixture of salts that contains dissociable ions of Mg, K, Na or H. The mixture can be used as table salt or preservative salt, such as fruit salts, as baking powder, or as a preparation that maintains health.
    Type: Grant
    Filed: November 16, 1988
    Date of Patent: June 5, 1990
    Assignee: Pharmaconsult Oy
    Inventors: Heikki Karppanen, Pirjo L. Karppanen