Patents by Inventor Dalal Ibrahim Esber Duffer

Dalal Ibrahim Esber Duffer 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 and compositions for coloring hair
    Patent number: 6669933
    Abstract: An aqueous hair color composition for oxidatively coloring hair in twelve minutes or less, wherein said composition is prepared by combining a dye mixture and a developer mixture, said aqueous hair color composition comprising 0.01-2.0% (combined weight) of the total composition of primary intermediates and couplers, a free alkalinity concentration of 0.20-0.75 meq/gram, and a hydrogen peroxide concentration of 4-6% by weight of the total composition; and a hair coloring kit containing separate containers of an aqueous dye mixture and an aqueous developing mixture for use with said dye mixture.
    Type: Grant
    Filed: May 10, 2001
    Date of Patent: December 30, 2003
    Assignee: Revlon Consumer Products Corporation
    Inventors: Dalal Ibrahim Esber Duffer, Louann Christine Vena, Minmin Tian, Shailendra Kumar Singh
  • Method and compositions for coloring hair
    Publication number: 20030028979
    Abstract: An aqueous hair color composition for oxidatively coloring hair in twelve minutes or less, wherein said composition is prepared by combining a dye mixture and a developer mixture, said aqueous hair color composition comprising 0.01-2.0% (combined weight) of the total composition of primary intermediates and couplers, a free alkalinity concentration of 0.20-0.75 meq/gram, and a hydrogen peroxide concentration of 4-6% by weight of the total composition; and a hair coloring kit containing separate containers of an aqueous dye mixture and an aqueous developing mixture for use with said dye mixture.
    Type: Application
    Filed: May 10, 2001
    Publication date: February 13, 2003
    Inventors: Dalal Ibrahim Esber Duffer, Louann Christine Vena, Minmin Tian, Shailendra Kumar Singh
  • Cosmetic applicator
    Patent number: D566892
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: April 15, 2008
    Assignee: Revlon Consumer Products Corporation
    Inventors: Paul M. Anderson, Delores Barbara Cross, Debra Karen Dowd, Dalal Ibrahim Esber Duffer, Teresita Vergara Imperial, Erlinda Dugaduga Leone, Donna Jean Lisowski, Stanley Matlosz, Saroja Narasimhan, Brenda Karen Ruditzky, Lou Ann Christine Vena