Patents by Inventor Claus Boettcher

Claus Boettcher 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
    Patent number: 8025767
    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: Grant
    Filed: July 7, 2008
    Date of Patent: September 27, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Ellen Krueger, Martin Wendker, Stefan Frenzel, Claus Boettcher
  • Porcine polymorphisms and methods for detecting them
    Patent number: 7785778
    Abstract: Identification of a pig as resistant or non-resistant to enterotoxigenic E. Coli (ETEC). Particularly, there is provided methods, probes and DNA molecules involved in identifying a pig as resistant or non-resistant to ETEC. There is also provided methods for breeding pigs using the information of resistance/non-resistance, mixed boar semen, and methods for developing drugs to compensate for non-resistance to ETEC.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: August 31, 2010
    Assignee: University of Copenhagen
    Inventors: Claus Böttcher Jörgensen, Susanna Cirera, Alan Archibald, Leif Andersson, Merete Fredholm, Inger Edfors-Lilia