Patents by Inventor Vilhelm Hald-Christensen

Vilhelm Hald-Christensen 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 preparing a food material from blood
    Patent number: 4262022
    Abstract: A material based on blood, in which the red corpuscle fraction has been partially proteolytically hydrolyzed and thereby decoloured, to be used as an additive to food products, especially meat, due to the nutritional and functional properties of this material.
    Type: Grant
    Filed: February 5, 1979
    Date of Patent: April 14, 1981
    Inventors: Vilhelm Hald-Christensen, Jens L. Adler-Nissen, Hans S. Olsen