Patents by Inventor Sawa Hashimoto

Sawa Hashimoto 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).

  • Patent number: 9211424
    Abstract: A process for straightening or relaxing hair involving the steps of: (a) providing a hair straightening/relaxing composition containing: (i) from about 0.1 to about 50% by weight of at least one weak non-hydroxide base; and (ii) remainder, to 100%, a cosmetically acceptable medium, all weights based on the weight of the hair straightening/relaxing composition; (b) contacting the hair with the hair straightening/relaxing composition to form treated hair; (c) optionally, rinsing the hair straightening/relaxing composition from the treated hair; (d) optionally, contacting the treated hair with a non-volatile oil; and (e) smoothing the treated hair using a combination of heat and means for physically smoothing hair.
    Type: Grant
    Filed: February 7, 2012
    Date of Patent: December 15, 2015
    Assignee: L'OREAL
    Inventors: Nghi Van Nguyen, David W. Cannell, Cynthia Chong Espino, Sawa Hashimoto
  • Patent number: 9186314
    Abstract: The present disclosure relates to a composition comprising: (a) at least one polyacid; (b) at least one amino compound chosen from alkyl monoamines, alkoxylated polyamines, alkoxylated monoamines, polyamines and mixtures thereof; and (c) cosmetically acceptable carrier. The present disclosure also relates to a method of sealing the surface of a keratinous substrate using such compositions, including inhibiting loss of hair color. The compositions of the present disclosure may further comprise an auxiliary ingredient.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: November 17, 2015
    Assignee: L'OREAL
    Inventors: Nghi Van Nguyen, Sawa Hashimoto, Siliu Tan
  • Patent number: 9044416
    Abstract: A method of photoprotecting a keratinous substrate comprising applying a composition onto the keratinous substrate, the composition comprising at least one phenolic compound chosen environmental at least one ortho-diphenol, at least one phenolic compound having a carboxylic acid moiety, and mixtures thereof, —a compound chosen from at least one pelyarn!ne, at least one water solvable metal salt, and mixtures thereof; and a cosmetically acceptable carrier. The present disclosure also relates to photoprotective compositions for application onto hair and skin, the compositions comprising at least one phenolic compound chosen from at least one ortho-diphenol, at least one phenolic compound having a carboxylic acid moiety, and mixtures thereof; a compound chosen from at least one polyamine, at least one water soluble metal salt, and mixtures thereof; and a cosmetically acceptable carrier.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: June 2, 2015
    Assignee: L'OREAL
    Inventors: Nghi Van Nguyen, Sawa Hashimoto
  • Patent number: 8802069
    Abstract: The present invention is drawn to a composition and method for lifting color and/or imparting shine onto keratinous substrates, the composition 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; and (d) at least one oxidizing agent. 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, and at least one salt.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: August 12, 2014
    Assignee: L'Oreal
    Inventors: Siliu Tan, Nghi Van Nguyen, Sawa Hashimoto
  • Patent number: 8802070
    Abstract: The present invention is drawn to a composition and method for lifting color and/or imparting shine onto keratinous substrates, the composition containing: (a) at least one phospholipid; (b) at least one nonionic surfactant; (c) at least one anionic silicone; and (d) at least one oxidizing agent. 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, and at least one salt.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: August 12, 2014
    Assignee: L'Oreal
    Inventors: Siliu Tan, Nghi Van Nguyen, Sawa Hashimoto
  • Patent number: 8802071
    Abstract: The present invention is drawn to a composition and method for lifting color and/or imparting shine onto keratinous substrates, the composition containing: (a) at least one fatty quaternary amine compound; (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; and (d) at least one oxidizing agent. 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, and at least one salt.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: August 12, 2014
    Assignee: L'Oreal
    Inventors: Siliu Tan, Nghi Van Nguyen, Sawa Hashimoto
  • Patent number: 8795644
    Abstract: The present invention is drawn to a composition and method for lifting color and/or imparting shine onto keratinous substrates, the composition containing: (a) at least one phospholipid; (b) at least one nonionic surfactant; (c) at least one phosphate ester chosen from alkoxylated alkyl phosphate esters and alkyl phosphate esters; and (d) at least one oxidizing agent. 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, and at least one salt.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: August 5, 2014
    Assignee: L'Oreal
    Inventors: Siliu Tan, Nghi Van Nguyen, Sawa Hashimoto
  • Patent number: 8795645
    Abstract: The present invention is drawn to a composition and method for lifting color and/or imparting shine onto keratinous substrates, the composition containing: (a) at least one fatty quaternary amine compound; (b) at least one nonionic surfactant; (c) at least one anionic silicone; and (d) at least one oxidizing agent. 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, and at least one salt.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: August 5, 2014
    Assignee: L'Oreal
    Inventors: Siliu Tan, Nghi Van Nguyen, Sawa Hashimoto
  • Patent number: 8758735
    Abstract: The present invention is drawn to a composition and method for lifting color and/or imparting shine onto keratinous substrates, the composition containing: (a) at least one fatty quaternary amine compound; (b) at least one nonionic surfactant; (c) at least one phosphate ester chosen from alkoxylated alkyl phosphate esters and alkyl phosphate esters; and (d) at least one oxidizing agent. 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, and at least one salt.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: June 24, 2014
    Assignee: L'oreal
    Inventors: Siliu Tan, Nghi Van Nguyen, Sawa Hashimoto
  • Patent number: 8658140
    Abstract: The disclosure relates to compositions and methods of using the compositions to treat keratinous substrates. The compositions provide a water resistant and non-transferable protective barrier on the substrate. The compositions contain at least one polyamine, at least one acid, at least one water-insoluble ingredient, solvent and optionally at least one auxiliary ingredient. The methods for treating keratinous substrates involve contacting the keratinous substrates with the compositions of the disclosure.
    Type: Grant
    Filed: September 14, 2007
    Date of Patent: February 25, 2014
    Assignee: L'Oreal
    Inventors: Nghi Van Nguyen, David W. Cannell, Sawa Hashimoto, Cynthia Espino
  • Patent number: 8637489
    Abstract: The present invention relates to a composition comprising: (a) at least one alkoxylated silicone acid; (b) at least one amino compound chosen from polyamines, alkoxylated polyamines, alkyl monoamines, alkoxylated monoamines and mixtures thereof; (c) at least one lipophilic compound; and (d) at least one solvent comprising water. Such a composition is clear in appearance, and stable. The present invention also relates to a method of making such a clear composition, and to a method of cosmetic treatment of a keratinous substrate using such a composition.
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: January 28, 2014
    Assignee: L'Oreal
    Inventors: Nghi Van Nguyen, Sawa Hashimoto, David W. Cannell
  • Patent number: 8603448
    Abstract: A process for straightening or relaxing hair involving the steps of: (a) providing a hair straightening/relaxing composition containing: (i) from about 0.1 to about 50% by weight of at least one weak non-hydroxide base; and (ii) remainder, to 100%, a cosmetically acceptable medium, all weights based on the weight of the hair straightening/relaxing composition; (b) contacting the hair with the hair straightening/relaxing composition to form treated hair; (c) optionally, rinsing the hair straightening/relaxing composition from the treated hair; (d) optionally, contacting the treated hair with a non-volatile oil; and (e) smoothing the treated hair using a combination of heat and means for physically smoothing hair.
    Type: Grant
    Filed: June 5, 2006
    Date of Patent: December 10, 2013
    Assignee: L'Oreal
    Inventors: Nghi Van Nguyen, David W. Cannell, Cynthia Chong Espino, Sawa Hashimoto
  • Patent number: 8597668
    Abstract: The present invention relates to a composition comprising: (a) at least one alkoxylated polyamine; (b) at least one organic acid chosen from alkyl acids, alkoxylated monoacids, and mixtures thereof; (c) at least one lipophilic compound; and (d) at least one solvent comprising water. Such a composition is clear in appearance, and stable. The present invention also relates to a method of making such a clear composition, and to a method of cosmetic treatment of a keratinous substrate using such a composition.
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: December 3, 2013
    Assignee: L'Oreal
    Inventors: Nghi Van Nguyen, Sawa Hashimoto, David W. Cannell
  • Patent number: 8540782
    Abstract: The present invention is drawn to a composition and method for coloring keratinous substrates containing: (a) at least one fatty quaternary amine compound; (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: September 24, 2013
    Assignee: L'OREAL
    Inventors: Sawa Hashimoto, Nghi Van Nguyen, Siliu Tan
  • Patent number: 8529636
    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 anionic silicone; (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: June 24, 2011
    Date of Patent: September 10, 2013
    Assignee: L'Oreal
    Inventors: Sawa Hashimoto, Nghi Van Nguyen, Siliu Tan
  • Patent number: 8523955
    Abstract: The present invention is drawn to a composition and method for coloring keratinous substrates containing: (a) at least one fatty quaternary amine; (b) at least one nonionic surfactant; (c) at least anionic silicone; (d) at least one dye chosen from oxidation dye precursors and direct dyes; (e) optionally, at least one thickening agent; (f) optionally, at least one alkaline agent; (g) optionally, at least one fatty substance other than a fatty acid; (h) optionally, at least one salt; and (i) optionally, at least one oxidizing agent.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: September 3, 2013
    Assignee: L'Oreal
    Inventors: Sawa Hashimoto, Nghi Van Nguyen, Siliu Tan
  • Patent number: 8523954
    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 anionic silicone; (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: June 24, 2011
    Date of Patent: September 3, 2013
    Assignee: L'Oreal
    Inventors: Sawa Hashimoto, Nghi Van Nguyen, Siliu Tan
  • Patent number: 8524206
    Abstract: The present invention is drawn to a carrier composition containing: (a) at least one polyamine compound comprising at least two amino groups; (b) at least one nonionic surfactant; (c) at least one anionic silicone; and (d) at least one water-insoluble material, and wherein the composition, when combined with an aqueous phase, forms an aqueous delivery system which is both stable, and clear to slightly hazy/limpid in appearance.
    Type: Grant
    Filed: February 15, 2012
    Date of Patent: September 3, 2013
    Assignee: L'Oreal
    Inventors: David W. Cannell, Sawa Hashimoto, Cynthia Chong Espino, Katherine Natalie Barger, Nghi Van Nguyen
  • 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
  • Patent number: 8518124
    Abstract: The present invention is drawn to a composition and method for dyeing keratinous substrates containing: (a) at least one fatty quaternary amine compound; (b) at least one nonionic surfactant; (c) at least one phosphate ester chosen from alkoxylated alkyl phosphate esters and alkyl phosphate esters; (d) at least one dye chosen from oxidation dye precursors and direct dyes; (e) optionally, at least one thickening agent; (f) optionally, at least one alkaline agent; (g) optionally, at least one fatty substance other than a fatty acid present in the ready-to-use composition; h) optionally, at least one salt; and (i) optionally, at least one oxidizing agent.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: August 27, 2013
    Assignee: L'Oreal
    Inventors: Sawa Hashimoto, Nghi Van Nguyen, Siliu Tan