Patents by Inventor Uwe Thomas HIRSCH

Uwe Thomas HIRSCH 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: 8663341
    Abstract: A hair colorant composition comprises 2-methoxymethyl-1,4-diaminobenzene developer in combination with other p-phenylenediamine developers and selected couplers. A kit for coloring hair comprises the hair colorant composition. A method of treating hair comprises applying the hair colorant composition to hair.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: March 4, 2014
    Assignee: The Procter & Gamble Company
    Inventors: Richard Matthew Charles Sutton, Bryan Patrick Murphy, Margaret Ann Popp, Stephen Robert Schofield, Uwe Thomas Hirsch, John Peter Lankhof
  • Publication number: 20130340181
    Abstract: A hair colorant composition comprises 2-methoxymethyl-1,4-diaminobenzene developer in combination with other p-phenylenediamine developers and selected couplers. A kit for coloring hair comprises the hair colorant composition. A method of treating hair comprises applying the hair colorant composition to hair.
    Type: Application
    Filed: June 25, 2013
    Publication date: December 26, 2013
    Inventors: Richard Matthew Charles SUTTON, Bryan Patrick MURPHY, Margaret Ann POPP, Stephen Robert SCHOFIELD, Uwe Thomas HIRSCH, John Peter LANKHOF