Patents by Inventor Valerie Pierre

Valerie Pierre 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).

  • Perylene derivatives and their application as dispersants
    Patent number: 6986811
    Abstract: The present invention relates to substituted perylene derivatives in which the substituent has a sterically stabilizing and/or electrostatically stabilizing effect. The perylene derivatives of the invention are particularly suitable as pigment dispersants. The present invention additionally relates to pigment preparations in which the perylene derivatives of the invention are used.
    Type: Grant
    Filed: January 20, 2004
    Date of Patent: January 17, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin Könemann, Ulrike Hees, Valerie Pierre
  • Perylene derivatives and their application as dispersants
    Publication number: 20040194665
    Abstract: The present invention relates to substituted perylene derivatives in which the substituent has a sterically stabilizing and/or electrostatically stabilizing effect. The perylene derivatives of the invention are particularly suitable as pigment dispersants. The present invention additionally relates to pigment preparations in which the perylene derivatives of the invention are used.
    Type: Application
    Filed: January 20, 2004
    Publication date: October 7, 2004
    Applicant: BASF Aktiengesellschaft
    Inventors: Martin Konemann, Ulrike Hees, Valerie Pierre