Patents by Inventor Yongjun Yan

Yongjun Yan 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).

  • Tetraphosphorus ligands for catalytic hydroformylation and related reactions
    Patent number: 7709659
    Abstract: Tetraphosphorous ligands are combined with transition metal salts to form catalysts for use in hydroformylation, isomerization-hydroformylation, hydrocarboxylation, hydrocyan-ation, isomerization-formylation, hydroaminomethylation and similar related reactions.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: May 4, 2010
    Assignee: The Penn State Research Foundation
    Inventors: Xumu Zhang, Yongjun Yan
  • TETRAPHOSPHORUS LIGANDS FOR CATALYTIC HYDROFORMYLATION AND RELATED REACTIONS
    Publication number: 20090198071
    Abstract: Tetraphosphorous ligands are combined with transition metal salts to form catalysts for use in hydroformylation, isomerization-hydroformylation, hydrocarboxylation, hydrocyan-ation, isomerization-formylation, hydroaminomethylation and similar related reactions.
    Type: Application
    Filed: April 17, 2009
    Publication date: August 6, 2009
    Applicant: THE PENN STATE RESEARCH FOUNDATION
    Inventors: Xumu ZHANG, Yongjun Yan
  • Tetraphosphorus ligands for catalytic hydroformylation and related reactions
    Patent number: 7531698
    Abstract: Tetraphosphorous ligands are combined with transition metal salts to form catalysts for use in hydroformylation, isomerization-hydroformylation, hydrocarboxylation, hydrocyan-ation, isomerization-formylation, hydroaminomethylation and similar related reactions.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: May 12, 2009
    Assignee: The Penn State Research Foundation
    Inventors: Xumu Zhang, Yongjun Yan
  • Tetraphosphorus ligands for catalytic hydroformylation and related reactions
    Publication number: 20070203365
    Abstract: Tetraphosphorous ligands are combined with transition metal salts to form catalysts for use in hydroformylation, isomerization-hydroformylation, hydrocarboxylation, hydrocyan-ation, isomerization-formylation, hydroaminomethylation and similar related reactions.
    Type: Application
    Filed: December 15, 2006
    Publication date: August 30, 2007
    Inventors: Xumu Zhang, Yongjun Yan