Patents by Inventor Louis Claude Dumont

Louis Claude Dumont 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: 3960536
    Abstract: Plant-protection compositions. They contain as active material at least one ixed chelate with two coordinates, such as ethylene diamine, triethanolamine, tartaric acid, picolic acid, dipicolic acid, dihydro-2,4-benzoic acid, salicylic acid, p-aminosalicylic acid, 5-sulphosalicylic acid, 8-hydroxyquinoline, sodium pyrocatechol-3,5-disulphonate, ethylene diamine diacetic acid (or its alkali salts), ethylene diamine tetraacetic acid (or its alkali salts), nitrilotriacetic acid, sodium dihydroxynaphthalene disulphonate. These compositions protect plants against hypoferric chlorosis.
    Type: Grant
    Filed: September 12, 1974
    Date of Patent: June 1, 1976
    Assignee: PEPRO, Societe pour le Developpement et la Vente de Specialites Chimiques
    Inventors: Louis Claude Dumont, Rene Antoine Paris, Claude Mathilde Scharff