Patents by Inventor Gernot Diehlmann

Gernot Diehlmann 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).

  • Dispersions of polyurethanes, their preparation and use
    Patent number: 8889788
    Abstract: The present invention provides aqueous dispersions comprising a pigment (B) at least partially enveloped by polyurethane (A) and further comprising at least one polymerization inhibitor (C), said polyurethane (A) being obtainable by reaction of (a) 15% to 70% by weight of di- or polyisocyanate comprising on average from 1 to 10 allophanate groups and on average from 1 to 10 C—C double bonds per molecule, and optionally (b) 0% to 60% by weight of further di- or polyisocyanate, with (c) 5% to 50% by weight of compound having at least two isocyanate-reactive groups, weight % ages being based on total polyurethane (A).
    Type: Grant
    Filed: February 13, 2008
    Date of Patent: November 18, 2014
    Assignee: BASF SE
    Inventors: Holger Tuerk, Paul Andrew Simpson, Gernot Diehlmann
  • DISPERSIONS OF POLYURETHANES, THEIR PREPARATION AND USE
    Publication number: 20100075115
    Abstract: The present invention provides aqueous dispersions comprising a pigment (B) at least partially enveloped by polyurethane (A) and further comprising at least one polymerization inhibitor (C), said polyurethane (A) being obtainable by reaction of (a) 15% to 70% by weight of di- or polyisocyanate comprising on average from 1 to 10 allophanate groups and on average from 1 to 10 C—C double bonds per molecule, and optionally (b) 0% to 60% by weight of further di- or polyisocyanate, with (c) 5% to 50% by weight of compound having at least two isocyanate-reactive groups, weight % ages being based on total polyurethane (A).
    Type: Application
    Filed: February 13, 2008
    Publication date: March 25, 2010
    Applicant: BASF SE
    Inventors: Holger Tuerk, Paul Andrew Simpson, Gernot Diehlmann