Patents by Inventor Andre Disdier

Andre Disdier 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).

  • 2-Methylenesuccinamic acid compounds as plant growth regulants
    Patent number: 4431442
    Abstract: 2-Methylenesuccinamic acid compounds are useful plant growth regulants, e.g., are useful in regulating the growth of soya crops.
    Type: Grant
    Filed: February 5, 1981
    Date of Patent: February 14, 1984
    Assignee: Rhone-Poulenc Agrochimie
    Inventors: Andre Disdier, Guy Borrod, Stephane Trinh
  • Process for the manufacture of aluminum monoethyl phosphite
    Patent number: 4272448
    Abstract: Aluminum monoethyl-phosphite, useful for the protection of plants against fungal diseases, is manufactured in a continuous manner by first preparing a mixture of phosphite compounds, containing at least 70 mol % of diethyl phosphite, then saponifying and neutralizing such mixture with an inorganic base, at a temperature of 20.degree.-85.degree. C., at a pH of 4.0-8.5, and finally reacting the residual aqueous solution of alkaline metal monoethyl-phosphite, continuously withdrawn from the preceding operation, with an approximately stoichiometric amount of a water-soluble aluminum salt at 70.degree.-95.degree. C. and a pH of 3.0-4.5.
    Type: Grant
    Filed: June 25, 1979
    Date of Patent: June 9, 1981
    Assignee: Philagro
    Inventors: Andre Bernard, Andre Disdier, Michel Royer