Patents by Inventor Leo Anton Jager

Leo Anton Jager 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: 6649149
    Abstract: The invention relates to a tanning preparation for the skin comprising at least one tyrosine derivative of formula 1, where R<1>=—H, —(CH2)x-CH3, x being an integer from 1 to 20, R<2>=CH3CO—, CH3—(CH2)yCO—, y being an integer from 1 to 20, and an activator consisting of an aliphatic polyol having at least 10 C atoms in the molecule. The aliphatic polyol preferably consists of a hexadecanetriol, in particular phytantriol. Expediently, the tanning preparation is a gel, lotion, cream, foam, spray or emulsion.
    Type: Grant
    Filed: August 14, 2002
    Date of Patent: November 18, 2003
    Assignee: Dija Zeist B.V.
    Inventors: Leo Anton Jager, Lukas Jan Jager, Edward Philip Jager, Hans Marcel Brand
  • Publication number: 20030118527
    Abstract: The invention relates to a tanning preparation for the skin comprising at least one tyrosine derivative of formula 1, where R<1>=—H, —(CH2)x-CH3, x being an integer from 1 to 20, R<2>=CH3CO—, CH3-(CH2)yCO—, y being an integer from 1 to 20, and an activator consisting of an aliphatic polyol having at least 10 C atoms in the molecule. The aliphatic polyol preferably consists of a hexadecanetriol, in particular phytantriol. Expediently, the tanning preparation is a gel, lotion, cream, foam, spray or emulsion.
    Type: Application
    Filed: August 14, 2002
    Publication date: June 26, 2003
    Applicant: DIJA ZEIST B.V.
    Inventors: Leo Anton Jager, Lukas Jan Jager, Edward Philip Jager, Hans Marcel Brand