Patents by Inventor Frank Dubner

Frank Dubner 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).

  • Feedstuffs additives containing L-lysine with improved abrasion resistance, and process for their prodiction
    Publication number: 20080131566
    Abstract: The invention relates to a shaped, in particular granulated, feedstuffs additive containing L-lysine and treated with additives, preferably oils. The feedstuffs additive has improved abrasion resistance and optionally contains constituents from the fermentation broth and biomass. The invention is also directed to a process for the production of this product.
    Type: Application
    Filed: October 30, 2007
    Publication date: June 5, 2008
    Applicant: Degussa AG
    Inventors: Frank Dubner, Christoph Weckbecker, Hermann Lotter, Joachim Pohlisch, Friederike Kappke, Ralf Kelle, Paul Caldwell, Lee F. Kalivoda
  • L-lysine-containing feed additives
    Publication number: 20070082031
    Abstract: The invention relates to relatively light and thermally stable granulated, fermentation-broth-based animal feed additives having a high content of L-lysine and to low-loss methods for their production from broths obtained by fermentation.
    Type: Application
    Filed: March 13, 2006
    Publication date: April 12, 2007
    Inventors: Hermann Lotter, Ulrich Becker, Frank Dubner, Friederike Kaeppke, Joachim Pohlisch, Ralf Kelle, Cory Sander, Lawrence Fosdick
  • Method for preparing 3-(methylthio) propanal
    Publication number: 20060030739
    Abstract: A method for preparing 3-(methylthio)propanal and 2-hydroxy-4-(methylthio)butanenitrile by catalyzed addition of methylmercaptan to acrolein and hydrogen cyanide to 3-(methylthio)propanal.
    Type: Application
    Filed: August 5, 2005
    Publication date: February 9, 2006
    Inventors: Frank Dubner, Christoph Weckbecker
  • Feesdstuffs additives containing L-lysine with improved abrasion resistance, and process for their production
    Publication number: 20040115304
    Abstract: The invention relates to a shaped, in particular granulated feedstuffs additive containing L-lysine and treated with additives, preferably oils, having improved abrasion resistance, which optionally contains constituents from the fermentation broth and biomass, and a process for the production of this product.
    Type: Application
    Filed: December 16, 2002
    Publication date: June 17, 2004
    Inventors: Frank Dubner, Christoph Weckbecker, Hermann Lotter, Joachim Pohlisch, Friederike Kappke, Ralf Kelle, Paul Caldwell, Lee F. Kalivoda
  • Process for the production of canthaxanthin
    Publication number: 20040010164
    Abstract: The present invention relates to a process for the production of canthaxanthin by oxidation of beta-carotene or carotinoids derived therefrom which have conjugated double bonds.
    Type: Application
    Filed: June 6, 2003
    Publication date: January 15, 2004
    Applicant: Degussa AG
    Inventors: Frank Dubner, Jurgen Bilz, Christoph Weckbecker, Klaus Huthmacher