Patents Represented by Attorney, Agent or Law Firm Elias J. Lumbris
  • Method for treating hair
    Patent number: 6572843
    Abstract: A method for treating hair, combining permanent dyeing and straightening of hair, without significantly damaging the hair. According to the method of the present invention the hair is treated by chemically reducing covalent disulfide linkages in the hair, and contacting said hair with at least one oxidoreductase, at least one mediator, and at least one chemical oxidizing agent in an amount equivalent to 0.001-1% hydrogen peroxide calculated by weight of the dyeing formulation.
    Type: Grant
    Filed: March 10, 2000
    Date of Patent: June 3, 2003
    Assignee: Novozymes, A/S
    Inventors: Niels Henrik Sorensen, Jason Patrick McDevitt