Patents by Inventor Einar Sjolander

Einar Sjolander 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 the production of collagen: collagen produced through the method and use of collagen
    Patent number: 5411887
    Abstract: The present invention relates to a process for the production of collagen from animal intestines etc. It is characterized in that the starting material is mixed with ice-water at a pH of 5,5, that the mixture is disintegrated and then heated to 40.degree.-42.degree. C. and hydrolysed at a pH of 10,5 using a proteolytic enzyme. After finishing of the hydrolyses pH is regulated to 5,5 and the collagen is separated and collected. The invention also encloses collagen produced through the process and a number of new application areas for collagen.
    Type: Grant
    Filed: October 5, 1993
    Date of Patent: May 2, 1995
    Assignee: Collagen Casing Einar Sjolander AB
    Inventor: Einar Sjolander
  • Method of manufacturing collagen products
    Patent number: 4407829
    Abstract: The present invention relates to the manufacture of a collagen slurry which can be used, inter alia, for manufacturing casings for food products. When manufacturing the slurry, various parts of the digestive system are used as starting material and are reduced and suspended, after which the collagen is extracted, cleaned and brought into a slurry state.
    Type: Grant
    Filed: January 7, 1982
    Date of Patent: October 4, 1983
    Inventor: Einar Sjolander