Patents by Inventor Carsten Schaefer

Carsten Schaefer 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).

  • Aqueous pigment preparations
    Publication number: 20100116010
    Abstract: The invention relates to aqueous pigment preparations containing (A) at least one organic and/or inorganic pigment, (B) a dispersant of formula (I) or (II), or mixtures of the dispersants of formulas (I) and (II), (C) optionally wetting agents, (D) optionally other surfactants and/or dispersants, (E) optionally one or more organic solvents or one or more hydrotropic substances, (F) optionally other additives used conventionally for the production of aqueous pigment dispersions and (G) water.
    Type: Application
    Filed: April 29, 2008
    Publication date: May 13, 2010
    Applicant: CLARIANT INTERNATIONAL LTD
    Inventors: Bjoern Fechner, Carsten Schaefer, Alexander Woerndle