Patents Assigned to PEPRO, Societe pour le Development et la Vente de Specialites
  • Compositions for controlling weeds
    Patent number: 3933471
    Abstract: Compositions for controlling weeds growing among cereal crops, cotton and soya containing a mixture of isopropylphenyl dimethylurea and dinitro tert.-butylphenol as active material.
    Type: Grant
    Filed: February 1, 1974
    Date of Patent: January 20, 1976
    Assignee: PEPRO, Societe pour le Development et la Vente de Specialites
    Inventors: Pierre Poignant, Bernard Thellot, Jacques Rognon