Patents by Inventor Catherine Causse

Catherine Causse 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).

  • Method of depigmenting or bleaching mammalian skin using L-2-oxothiazolidine-4-carboxylic acid
    Patent number: 6007827
    Abstract: A cosmetic composition for depigmenting or bleaching mammalian skin or both, which contains:a) an amount of L-2-oxothiazolidine-4-carboxylic acid effective to depigment or bleach mammalian skin or both, andb) a topically-acceptable carrier.
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: December 28, 1999
    Assignee: L'Oreal
    Inventors: Jean-Baptiste Galey, Laurent Marrot, Catherine Causse, Rainer Schmidt, Marcelle Regnier
  • Use of N,N'-dibenzylethylenediamine-N,N'-diacetic acid derivatives as depigmenting agents
    Patent number: 6005006
    Abstract: Human skin is depigmented or bleached by applying thereto a compound of formula (1): ##STR1## wherein X represents COOH or the ring: ##STR2## wherein Z.sub.1, Z.sub.2 and Z.sub.3, independently of each other, are H, OR or R, R representing an optionally substituted saturated or unsaturated, linear or branched C.sub.4 -C.sub.8 -alkyl radical, or a salt, a metal complex or an ester of the compound.
    Type: Grant
    Filed: September 18, 1998
    Date of Patent: December 21, 1999
    Assignee: L'Oreal
    Inventors: Jean-Baptiste Galey, Laurent Marrot, Catherine Causse
  • Use of N,N'-dibenzylethylenediamine-N,N'-diacetic acid derivatives as depigmenting agents
    Patent number: 5834518
    Abstract: Human skin is depigmented or bleached by applying thereto a compound of formula (1): ##STR1## wherein X represents COOH or the ring: ##STR2## wherein Z.sub.1, Z.sub.2 and Z.sub.3, independently of each other, are H, OR or R, R representing an optionally substituted saturated or unsaturated, linear or branched C.sub.1 -C.sub.8 -alkyl radical, or a salt, a metal complex or an ester of the compound.
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: November 10, 1998
    Assignee: L'Oreal
    Inventors: Jean-Baptiste Galey, Laurent Marrot, Catherine Causse
  • Use of salicyclic acid derivatives for depigmenting the skin
    Patent number: 5723109
    Abstract: Salicylic acid derivatives act as inhibitors of tyrosinase and are used in compositions for the purpose of lightening the skin or of treating pigmental blemishes.
    Type: Grant
    Filed: April 4, 1996
    Date of Patent: March 3, 1998
    Assignee: L'Oreal
    Inventors: Catherine Causse, Sabine Deprez