Patents by Inventor Andre Combet

Andre Combet 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).

  • Basic aluminum chlorosulfate flocculant
    Patent number: 5518706
    Abstract: A novel basic aluminum chlorosulfate, well adopted for the improved purification of aqueous media, has the formula:Al.sub.n (OH).sub.m (SO.sub.4).sub.k Cl.sub.3n-m-2kand characteristic basicity, Al/Cl ratio, molecular weight and hydrodynamic diameters.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: May 21, 1996
    Assignee: Rhone-Poulenc Chimie De Base
    Inventors: Jean Boutin, Andre Combet, Jean-Pierre Communal
  • Basic aluminum chlorosulfate flocculating process
    Patent number: 5076940
    Abstract: A novel basic aluminum chlorosulfate, well adopted for the improved purification of aqueous media, has the formulaAl.sub.n OH.sub.m (SO.sub.4).sub.k Cl.sub.3n-m-2kand characteristic basicity, Al/Cl ratio, molecular weight and hydrodynamic diameters.
    Type: Grant
    Filed: October 3, 1990
    Date of Patent: December 31, 1991
    Assignee: Rhone-Poulenc Chimie de Base
    Inventors: Jean Boutin, Andre Combet, Jean-Pierre Communal
  • Basic aluminum chlorosulfate flocculant
    Patent number: 4981673
    Abstract: A novel basic aluminum chlorosulfate, well adopted for the improved purification of aqueous media, has the formula:Al.sub.n OH.sub.m (SO.sub.4).sub.k Cl.sub.3n-m-2kand characteristic basicity, Al/Cl ratio, molecular weight and hydrodynamic diameters.
    Type: Grant
    Filed: September 8, 1988
    Date of Patent: January 1, 1991
    Assignee: Rhone-Poulenc Chimie de Base
    Inventors: Jean Boutin, Andre Combet, Jean-Pierre Communal
  • Cross-linked resins
    Patent number: RE29316
    Abstract: Cross-linked resins of good thermal stability useful inter alia for making multicellular materials, for bonding metals, and for making laminates and moulded articles are made by reacting, e.g. by heating together, an unsaturated bis-imide with a diprimary diamine in a ratio of 1.2:1 to 50:1.
    Type: Grant
    Filed: December 1, 1972
    Date of Patent: July 19, 1977
    Assignee: Rhone-Poulenc S.A.
    Inventors: Michel Bargain, Andre Combet, Pierre Grosjean