Patents by Inventor Claus Bottcher

Claus Bottcher 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).

  • WET STRENGTH ENHANCERS FOR PAPER
    Publication number: 20090008051
    Abstract: They are mixtures of (a) from 1 to 99.9% by weight of a water-soluble epihalohydrin-crosslinked polyamidoamine and (b) from 0.1 to 20% by weight of at least one other cationic polymer.
    Type: Application
    Filed: July 7, 2008
    Publication date: January 8, 2009
    Applicant: BASF Aktiengesellschaft
    Inventors: Ellen KRUGER, Martin Wendker, Stefan Frenzel, Claus Bottcher
  • Wet-strength finishing agents for paper
    Publication number: 20040149411
    Abstract: They are mixtures of
    Type: Application
    Filed: December 10, 2003
    Publication date: August 5, 2004
    Inventors: Ellen Krger, Martin Wendker, Stefan Frenzel, Claus Bottcher