Patents Assigned to Rhone-Poulenc Chimier
  • Lignosulfonate/ethoxylated poly(1-phenylethyl)phenol dispersing agents and agrochemicals comprised thereof
    Patent number: 5981433
    Abstract: Dispersing agents for solid plant-protection agrochemicals, for example pesticidal dispersible granules, comprise (a) at least one alkali or alkaline earth metal or ammonium lignosulfonate, intimately admixed with (b) at least one optionally sulfated, ethoxylated or ethoxylated-propoxylated di- or tri(1-phenylethyl)phenol.
    Type: Grant
    Filed: December 22, 1995
    Date of Patent: November 9, 1999
    Assignee: Rhone-Poulenc Chimier
    Inventors: Valerio Bramati, Isabelle Gubelmann-Bonneau, Antonio Marchetto, Norman R. Pallas