Patents by Inventor Pirjo Marja-Leena Veijalainen

Pirjo Marja-Leena Veijalainen 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).

  • Patent number: 6491910
    Abstract: An improved method of competitively excluding pathogens capable of intestinal colonization, such as Salmonella or Cambylobacter, from a digestive tract of a bird comprises administration in ovo to a fertile bird egg of a competitive exclusion (CE) culture essentially free from bacteria which abundantly form gas such as Clostridium species. The CE culture may be any CE culture essentially free from abundant gas forming bacteria which culture is derived from a digestive tract of a bird free from pathogens. The CE culture may be administered either into the air cell or the amnion of a fertile bird egg, preferably into the amnion.
    Type: Grant
    Filed: May 23, 2000
    Date of Patent: December 10, 2002
    Assignee: Orion-Yhtyma OY
    Inventors: Carita Elisabeth Schneitz, Esko Viljo Nurmi, Pirjo Marja-Leena Veijalainen