Patents by Inventor Oleg Rakitin

Oleg Rakitin 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).

  • Keratin dyeing compounds, keratin dyeing compositions containing them, and use thereof
    Publication number: 20050188476
    Abstract: Bicyclic 5-5 heteroaromatic compounds having a ring junction nitrogen and incorporating thia or oxa heteroatoms heteroatoms. Compositions for the oxidative dyeing of keratin fibers, comprising a medium suitable for dyeing and one or more bicyclic 5-5 heteroaromatic compounds having a ring junction nitrogen and incorporating thia or oxa heteroatoms heteroatoms. A method for oxidative dyeing of keratin fibers, comprising applying such compositions in the presence of an oxidizing agent, for a period sufficient to develop the desired coloration.
    Type: Application
    Filed: January 21, 2005
    Publication date: September 1, 2005
    Inventors: Robert Glenn, Mu'Ill Lim, Charles Rees, Oleg Rakitin, William Laidig, John Shaffer, John Gardlik, Bryan Murphy