Patents by Inventor Michel Granger

Michel Granger 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).

  • Clathrates of peroxyacids, their preparation and their uses
    Patent number: 5382571
    Abstract: The invention concerns derivatives of peroxyacids consisting of inclusion compounds or clathrates, in a hollow molecule which is capable of behaving as a receiving structure which respect to a given peroxyacid, their process of preparation and their uses.
    Type: Grant
    Filed: March 27, 1992
    Date of Patent: January 17, 1995
    Assignee: Chemoxal S.A.
    Inventors: Michel Granger, Michel Dupont, Henry Ledon
  • Method of preparing stable dilute solutions of aliphatic carboxylic peracids, and the resulting solutions
    Patent number: 4297298
    Abstract: The invention relates to the preparation of dilute solutions of aliphatic rboxylic peracids.In a first step, a concentrated solution of aliphatic peracid is prepared from the corresponding acid or anhydride and concentrated hydrogen peroxide in the presence of a strong acid catalyst, preferably the minimum quantity necessary for obtaining equilibrium in the system within 48 hours; and in a second step, the concentrated solution of aliphatic peracid is diluted with a solution containing at least one of the reagents, so as to bring the concentration of aliphatic peracid to the rated concentration of the mixture.The method is applicable inter alia to the preparation of stable dilute solutions of peracetic acid.
    Type: Grant
    Filed: July 22, 1980
    Date of Patent: October 27, 1981
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude Procedes Georges Claude
    Inventors: Francois Crommelynck, Michel Granger, Michel Rio, Jacques Tourdot
  • Electronic keyboard musical instrument
    Patent number: D317930
    Type: Grant
    Filed: February 16, 1989
    Date of Patent: July 2, 1991
    Assignee: Yamaha Corporation
    Inventors: Ikuro Mine, Michel Granger
  • Electronic keyboard musical instrument
    Patent number: D325215
    Type: Grant
    Filed: June 19, 1990
    Date of Patent: April 7, 1992
    Assignee: Yamaha Corporation
    Inventor: Michel Granger