Patents by Inventor Jens Paetzold

Jens Paetzold 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).

  • Method of conditioning azo pigments containing carboxylic ester groups
    Patent number: 7999086
    Abstract: The invention provides a method of conditioning azo pigments containing carboxylic ester groups, using glycol monoalkyl ethers or mixtures of glycols and glycol dialkyl ether.
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: August 16, 2011
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Jens Paetzold, Carsten Plueg, Frank Alfter
  • Pigment Preparation Based on Diketopyrrolopyrroles
    Publication number: 20100062357
    Abstract: The invention relates to a pigment preparation based on C.I. Pigment Red 254 content with an average particle size of between 20 and 100 nm, and to at least one pigment dispersant of formula (II).
    Type: Application
    Filed: February 20, 2008
    Publication date: March 11, 2010
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Matthias Ganschow, Jens Reichwagen, Tanja Reipen, Jens Paetzold
  • Method of conditioning azo pigments containing carboxylic ester groups
    Publication number: 20090198045
    Abstract: The invention provides a method of conditioning azo pigments containing carboxylic ester groups, using glycol monoalkyl ethers or mixtures of glycols and glycol dialkyl ethers
    Type: Application
    Filed: January 30, 2009
    Publication date: August 6, 2009
    Inventors: Jens Paetzold, Carsten Plueg, Frank Alfter