Patents by Inventor Diana Tang

Diana Tang 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: 7101538
    Abstract: The present invention provides a polyesteramine, a composition having a polyesteramine according to the present invention as an active ingredient and methods for improving hair detangling, wet and dry combing, shine, gloss, conditioning, surface smoothening, water resistance, film-forming properties, static charge reduction and any combination thereof in various personal care products, such as, hair care, skin care, nail care and cosmetic products. Preferably, the polyesteramine is incorporated into a shampoo, hair conditioner, styling mousse, hair treatment preparation, hair coloring product, semi-perm product, oxidation dye, body wash, liquid soap, skin care preparation, lipstick, mascara, color cosmetic, nail care preparation or any combination thereof.
    Type: Grant
    Filed: December 30, 2003
    Date of Patent: September 5, 2006
    Assignee: Avon Products, Inc.
    Inventor: Diana Tang
  • Publication number: 20040131573
    Abstract: There is provided a method and composition for improving the water resistance, shine, gloss, surface smoothening, and/or film-forming attributes in various personal care, hair care and cosmetic products. The composition has a novel polyurethane polyesterpolyquat. Preferably, the polyurethane polyesterpolyquat is incorporated into a shampoo, hair conditioner, mascara, color cosmetic, body wash, liquid soap, hair color, nail care and/or skin care composition.
    Type: Application
    Filed: May 27, 2003
    Publication date: July 8, 2004
    Inventor: Diana Tang
  • Publication number: 20030152533
    Abstract: There is provided a method and composition for improving the water resistance, shine, gloss, surface smoothening, and/or film-forming attributes in various personal care, hair care and cosmetic products. The composition has a novel polyurethane polyesterpolyquat. Preferably, the polyurethane polyesterpolyquat is incorporated into a shampoo, hair conditioner, mascara, color cosmetic, body wash, liquid soap, hair color, nail care and/or skin care composition.
    Type: Application
    Filed: December 27, 2001
    Publication date: August 14, 2003
    Applicant: AVON PRODUCTS, INC.
    Inventor: Diana Tang
  • Patent number: 6264931
    Abstract: A 2-in-1 conditioning shampoo includes an anionic surfactant and a cationic hair conditioning agent. The cationic hair conditioning agent is a fatty aliphatic quaternary ammonium compound having ester linkages. The cationic hair conditioning agent can be prepared by reacting an alkanol amine with a fatty acid or fatty acid ester having an aliphatic group of from about 11 to about 24 carbon atoms and thereafter quaternizing the resulting esteramine with an alkylating agent.
    Type: Grant
    Filed: May 10, 1999
    Date of Patent: July 24, 2001
    Assignee: Akzo Nobel nv.
    Inventors: Ralph Franklin, Paul Iacobucci, Dale Steichen, Diana Tang, Phuong-Nga Trinh
  • Patent number: 5939059
    Abstract: A 2-in-1 conditioning shampoo includes an anionic surfactant and a cationic hair conditioning agent. The cationic hair conditioning agent is a fatty aliphatic quaternary ammonium compound having ester linkages. The cationic hair conditioning agent can be prepared by reacting an alkanol amine with a fatty acid or fatty acid ester having an aliphatic group of from about 11 to about 24 carbon atoms and thereafter quaternizing the resulting esteramine with an alkylating agent.
    Type: Grant
    Filed: August 13, 1997
    Date of Patent: August 17, 1999
    Assignee: Akzo Nobel nv
    Inventors: Ralph Franklin, Paul Iacobucci, Dale Steichen, Diana Tang, Phuong-Nga Trinh