Patents by Inventor Wilhelm E. S. Hjerten

Wilhelm E. S. Hjerten 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).

  • Agent for preventing or treating infections in human beings and animals
    Patent number: 4645757
    Abstract: An agent for preventing or treating infections in human beings and animals and consisting of or containing (a) a physiologically acceptable polymer based on one or more polymeric or polymerized carbohydrates or sugar alcohols or derivatives thereof and containing hydrophobic groups and having a molecular weight which is sufficiently high to prevent it from readily penetrating cellular membrane or (b) a physiologically acceptable water-insoluble inorganic material, which exhibits a hydrophobic organic or inorganic surface layer.
    Type: Grant
    Filed: January 30, 1984
    Date of Patent: February 24, 1987
    Assignee: Landstingens Inkopscentral Lic Ekonomisk Forening
    Inventors: Wilhelm E. S. Hjerten, Torkel M. Wadstrom
  • Bacteria adsorbing composition
    Patent number: 4617326
    Abstract: A bacteria adsorbing composition which includes a first component comprising a powerfully hydrophobic, bacteria adsorbing, physiologically innocuous, preferably water-insoluble material, and a second component comprising a hydrophilic, liquid absorbing, physiologically innocuous material.
    Type: Grant
    Filed: March 14, 1985
    Date of Patent: October 14, 1986
    Assignee: Landstingens Inkopscentral Lic Ekonomisk Forening
    Inventors: Sten G. Bjornberg, Wilhelm E. S. Hjerten, Torkel M. Wadstrom