Patents by Inventor Tan Siliu

Tan Siliu 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).

  • Emulsion dyeing composition containing at least one phospholipid, at least one nonionic surfactant and at least one carboxylic acid, and method of using same
    Patent number: 8518125
    Abstract: The present invention is drawn to a composition and method for dyeing keratinous substrates containing: (a) at least one phospholipid; (b) at least one nonionic surfactant; (c) at least one compound chosen from an alkyl ether carboxylic acid, an alkyl ether carboxylate, a fatty acid having from about 6 to about 40 carbon atoms, and mixtures thereof; (d) at least one dye chosen from oxidation dye precursors and direct dyes. The compositions of the present invention may optionally contain at least one thickening agent, at least one alkaline agent, at least one fatty substance other than a fatty acid, at least one salt, and at least one oxidizing agent.
    Type: Grant
    Filed: October 19, 2011
    Date of Patent: August 27, 2013
    Assignee: L'Oreal
    Inventors: Sawa Hashimoto, Nghi Van Nguyen, Tan Siliu
  • Emulsion dyeing composition containing at least one polyamine, at least one nonionic surfactant and at least one carboxylic acid, and method of using same
    Patent number: 8388698
    Abstract: The present invention is drawn to a composition and method for dyeing keratinous substrates containing: (a) at least one polyamine compound comprising at least three amino groups; (b) at least one nonionic surfactant; (c) at least one compound chosen from an alkyl ether carboxylic acid, an alkyl ether carboxylate, a fatty acid having from about 6 to about 40 carbon atoms, and mixtures thereof; (d) at least one dye chosen from oxidation dye precursors and direct dyes. The compositions of the present invention may optionally contain at least one thickening agent, at least one alkaline agent, at least one fatty substance, at least one salt, and at least one oxidizing agent.
    Type: Grant
    Filed: October 19, 2011
    Date of Patent: March 5, 2013
    Assignee: L'Oreal
    Inventors: Sawa Hashimoto, Nghi Van Nguyen, Tan Siliu