Patents by Inventor Bruno Righetti

Bruno Righetti 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 stabilizing metaldehyde and stabilized composition
    Patent number: 4075229
    Abstract: Process for stabilizing metaldehyde which involves mixing the metaldehyde and 0.005 to 5 percent by weight, based on the weight of the metaldehyde, of an inorganic base or organic base having a pK number of 6.5 to 12.5. The inorganic base or the organic base stabilizes the metaldehyde.Stabilized metaldehyde which contains metaldehyde and 0.005 to 5 percent by weight, based on the weight of the metaldehyde, of an inorganic base or an organic base having a pK number of 6.5 to 12.5. The inorganic base or the organic base stabilizes the metaldehyde.
    Type: Grant
    Filed: July 19, 1976
    Date of Patent: February 21, 1978
    Assignee: Lonza, Ltd.
    Inventors: Beat Oehrli, Max Mettler, Bruno Righetti