Patents by Inventor Duy Klein

Duy Klein 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).

  • Comb-Like Polyetheralkanolamines In Inks
    Publication number: 20080047462
    Abstract: Provided herein are compositions useful as ink which contain novel dispersants that are capable of dispersing pigments which are traditionally difficult to disperse while maintaining acceptable levels of viscosity. Use of dispersants as taught herein enables the preparation of a wide variety of inks having high pigment loading and existing within a conventionally useful viscosity range.
    Type: Application
    Filed: March 10, 2005
    Publication date: February 28, 2008
    Applicant: Huntsman Petrochemical Corporation
    Inventors: Howard Klein, Duy Klein, Christopher Whewell