Patents by Inventor Jacques Rigal

Jacques Rigal 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).

  • Fertilizers containing microorganisms and their production processes
    Patent number: 5366532
    Abstract: Fertilizer containing microorganisms of the rhizosphere packaged by microencapsulation in a polysaccharide matrix. The inoculum obtained after microencapsulation can be mixed with a granular solid fertilizer, then stored, or with a liquid fertilizer immediately before spreading.
    Type: Grant
    Filed: October 27, 1989
    Date of Patent: November 22, 1994
    Assignee: Lipha, Lyonnaise Industrielle
    Inventors: Jacques Fages, Jacques Rigal, Daniel Mulard