Patents by Inventor Rikke Lolck

Rikke Lolck 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).

  • Dyeing substrates
    Publication number: 20020004958
    Abstract: The invention relates to substrates, which develops colour on oxidation of the general formula 1 1
    Type: Application
    Filed: March 8, 2001
    Publication date: January 17, 2002
    Applicant: Novozymes A/S
    Inventors: Niels Henrik Sorensen, Ole Kirk, Rikke Lolck, Torben Desler
  • Diaminobenzoic acid derivatives as dye precursors
    Patent number: 6231621
    Abstract: The invention relates to substrates which develops color on oxidation of general formula (I). The invention also relates to the use of said substrates for dyeing, e.g. keratinous fibers, in particular hair, dyeing textiles, a dyeing composition and a method for dyeing keratinous fibers.
    Type: Grant
    Filed: March 18, 1999
    Date of Patent: May 15, 2001
    Assignee: Novozymes A/S
    Inventors: Niels Henrik Sørensen, Ole Kirk, Rikke Lolck, Torben Desler