Patents by Inventor Alain G. R. Charlier

Alain G. R. Charlier 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).

  • Dispersant compositions for treating oil slicks
    Patent number: 5051192
    Abstract: Compositions for dispersing oil slicks on water are disclosed comprising a solution of surface-active agents in a mixture of viscosity modifier, water, and hydrocarbon solvent. The surface-active agents are a mixture of emulsifying agents and a lower amount of wetting agent. The mixture of emulsifying agents comprising two blends, A and B, of sorbitan derivatives, blend A having an HLB of about 8.5 to 9.5 and blend B having an HLB of about 8 to 10 wherein the weight ratio of blend A to blend B is between about 0.5:1 and 4:1.
    Type: Grant
    Filed: May 15, 1989
    Date of Patent: September 24, 1991
    Assignee: Labofina, S.A.
    Inventor: Alain G. R. Charlier
  • Dispersant compositions for treating oil slicks
    Patent number: 4830759
    Abstract: Compositions for dispersing oil slicks on water comprising a solution of surface-active agents in a mixture of water and hydrocarbon solvent. The surface-active agents are a mixture of emulsifying agents and a lower amount of wetting agent. The mixture of emulsifying agents comprising two blends, A and B, of sorbitan derivatives, blend A having an HLB of about 8.5 to 9.5 and blend B having an HLB of about 8 to 10 wherein the weight ratio of blend A to blend B is between about 0.5:1 and 4:1.
    Type: Grant
    Filed: July 24, 1987
    Date of Patent: May 16, 1989
    Assignee: Labofina, S.A.
    Inventor: Alain G. R. Charlier
  • Surface-active compositions and method for dispersing oil slicks
    Patent number: 4469603
    Abstract: Surface active compositions for dispersing oil slicks consisting essentially of specified proportions of a fatty acid sorbitan monoester, a polyalkyleneoxide adduct of a fatty acid sorbitan monoester, an aqueous solution of a dialkylsulfosuccinate salt, a glycol monoether and water and a method for dispersing an oil slick on water comprising applying a surface active composition of the above-described type to the surface of the oil slick.
    Type: Grant
    Filed: August 6, 1982
    Date of Patent: September 4, 1984
    Assignee: Cosden Technology, Inc.
    Inventors: Andre Lepain, Alain G. R. Charlier