Patents by Inventor Kroum Valtchev

Kroum Valtchev 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).

  • Metallic hydrogenation catalysts, production and use thereof
    Publication number: 20060100462
    Abstract: The catalyst can be prepared by reduction of a precursor of a hydrogenation-active metal, which may be present on an oxidic support, by reaction with at least one compound of the formula (I) HnM(OR)3-n??(I) where M is Ga or Al, R is CR?3 or SiR?3 where R? is C1-20-alkyl, and n is 1 or 2, or dimers or oligomers thereof, wherein the crystallite size of the hydrogenation-active metal in the finished catalyst is from 5 to 30, preferably 5 to 15 nm.
    Type: Application
    Filed: December 7, 2005
    Publication date: May 11, 2006
    Applicant: BASF Aktiengesellschaft
    Inventors: Dominic Vanoppen, Michael Veith, Kroum Valtchev
  • Metallic hydrogenation catalysts, production and use thereof
    Patent number: 7026269
    Abstract: The catalyst can be prepared by reduction of a precursor of a hydrogenation-active metal, which may be present on an oxidic support, by reaction with at least one compound of the formula (I) HnM(OR)3?n??(I) where M is Ga or Al, R is CR?3 or SiR?3 where R? is C1-20-alkyl, and n is 1 or 2, or dimers or oligomers thereof, wherein the crystallite size of the hydrogenation-active metal in the finished catalyst is from 5 to 30, preferably 5 to 15 nm.
    Type: Grant
    Filed: July 4, 2001
    Date of Patent: April 11, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Dominic Vanoppen, Michael Veith, Kroum Valtchev
  • Metallic hydrogenation catalysts, production and use thereof
    Publication number: 20030144553
    Abstract: The catalyst can be prepared by reduction of a precursor of a hydrogenation-active metal, which may be present on an oxidic support, by reaction with at least one compound of the formula (I)
    Type: Application
    Filed: January 2, 2003
    Publication date: July 31, 2003
    Inventors: Dominic Vanoppen, Michael Veith, Kroum Valtchev