Patents by Inventor Pirjo H. Makela

Pirjo H. Makela 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).

  • Process for the production of a bacterial preparation for the prophylaxis of intestinal disturbances in poultry
    Patent number: 4689226
    Abstract: The invention provides a bacterial preparation for the prophylaxis of intestinal disturbances, especially salmonella infections, in poultry, made by anaerobically cultivating either separately or together bacterial strains of normal alimentary tract bacterial species, optionally in the presence of epithelial cells from the alimentary tract, for example the crop of a poult, and isolating the cultivated bacteria from the nutrient medium and making a preparation of them, for instance by lyophilization. The only bacterial strains used are those having an adhesion efficiency onto the epithelial cells of the alimentary tract of the poult of at least 10 bacteria per epithelial cell.
    Type: Grant
    Filed: July 5, 1983
    Date of Patent: August 25, 1987
    Assignee: Farmos-Yhtyma Oy
    Inventors: Esko V. Nurmi, Jarita E. Schneitz, Pirjo H. Makela
  • Diagnosing chlamydia infections with Re-lipopolysaccharide complexed to carrier or antibody thereto
    Patent number: 4652518
    Abstract: A preparation for the detection of chlamydial infections using lipopolysaccharide of Re-lipopolysaccharide mutants of gram-negative bacteria. The lipopolysaccharide preparation is used in the production of group-specific antibodies to chlamydiae for diagnostic purposes or for the demonstration of antibodies to chlamydial group antigen in specimens.
    Type: Grant
    Filed: June 24, 1983
    Date of Patent: March 24, 1987
    Assignee: Orion Corporation, Ltd.
    Inventors: Pirjo H. Makela, Maija K. Leinonen, Marjatta H. Nurminen-Kalliokoski, Pekka A. I. Saikku