Patents by Inventor Kristin Richter

Kristin Richter 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).

  • Easily dispersible pigment preparation based on C.I. pigment yellow 155
    Patent number: 8623579
    Abstract: The invention relates to a solid pigment preparation containing A) 5% to 99% by weight of PY 155 and B) 1% to 95% by weight of copolymer containing the following structural units: (i) 1 to 70 mol % of structural unit B1 (ii) 1 to 70 mol % of structural unit B2 (iii) 1 to 70 mol % of structural unit B3
    Type: Grant
    Filed: September 22, 2010
    Date of Patent: January 7, 2014
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Jesús Pitarch López, Ulrike Rohr, Kristin Richter, Eusebio Ruiz Fernandez, Ruediger Baur
  • Easily Dispersible Pigment Preparation Based on C.I. Pigment Yellow 155
    Publication number: 20120282543
    Abstract: Easily dispersible pigment preparation based on C.I.
    Type: Application
    Filed: September 22, 2010
    Publication date: November 8, 2012
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Jesús Pitarch López, Ulrike Rohr, Kristin Richter, Eusebio Ruiz Fernandez, Ruediger Baur