Mark Tellefsen

Person

  • Savannah, GA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Pigment powders

    • Patent number 10,676,619
    • Issue date Jun 9, 2020
    • Merck Patent GmbH
    • Padma Kaviratna
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Pigment mixtures

    • Patent number 10,639,247
    • Issue date May 5, 2020
    • Merck Patent Gesellschaft
    • Mark Tellefsen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Laser-marking additive

    • Patent number 7,169,471
    • Issue date Jan 30, 2007
    • EMD Chemicals, Inc.
    • Shane F. Dreher
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    PIGMENT POWDERS

    • Publication number 20180265708
    • Publication date Sep 20, 2018
    • Merck Patent GmbH
    • Padma KAVIRATNA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Pigment Mixtures

    • Publication number 20100291014
    • Publication date Nov 18, 2010
    • MERCK Patent Gesselschaft
    • Mark Tellefsen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Surface treated pearlescent pigments for hair care products

    • Publication number 20050214236
    • Publication date Sep 29, 2005
    • Qinyun Peng
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE