Patents by Inventor Shuiming Lu

Shuiming Lu 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).

  • Patent number: 9062085
    Abstract: The present disclosure relates to biaryl diphosphine ligands of the formula (B), processes for the production of the ligands and the use of the ligands in metal catalysts for asymmetric synthesis. The disclosure also relates to intermediates used for the production of the biaryl diphosphine ligand.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: June 23, 2015
    Assignee: Kanata Chemical Technologies Inc.
    Inventors: Kamaluddin Abdur-Rashid, Wenli Jia, Shuiming Lu, Rongwei Guo, Xuanhua Chen, Dino Amoroso
  • Patent number: 8716508
    Abstract: The present disclosure relates to a method for preparing a metal catalyst comprising at least one ligand that is coordinated to the metal through at least one phosphorous (P) atom and at least one nitrogen (N) atom, the method comprising reacting a metal pre-cursor complex with an acid addition salt of an aminophosphine, diaminophosphine, aminodiphosphine or diaminodiphosphine, in the presence of a base.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: May 6, 2014
    Assignee: Kanata Chemical Technologies Inc.
    Inventors: Kamaluddin Abdur-Rashid, Dino Amoroso, Xuanhua Chen, Rongwei Guo, Shuiming Lu, Chi-Wing Tsang
  • Publication number: 20130184479
    Abstract: The present disclosure relates to biaryl diphosphine ligands of the formula (B), processes for the production of the ligands and the use of the ligands in metal catalysts for asymmetric synthesis. The disclosure also relates to intermediates used for the production of the biaryl diphosphine ligand.
    Type: Application
    Filed: September 9, 2011
    Publication date: July 18, 2013
    Applicant: KANATA CHEMICAL TECHNOLOGIES INC.
    Inventors: Kamaluddin Abdur-Rashid, Wenli Jia, Shuiming Lu, Rongwei Guo, Xuanhua Chen, Dino Amoroso
  • Publication number: 20120046479
    Abstract: The present disclosure relates to a method for preparing a metal catalyst comprising at least one ligand that is coordinated to the metal through at least one phosphorous (P) atom and at least one nitrogen (N) atom, the method comprising reacting a metal pre-cursor complex with an acid ad salt of an aminophosphine, diaminophosphine, aminodiphosphine or diaminodiphosphine, in the presence of a base.
    Type: Application
    Filed: October 8, 2009
    Publication date: February 23, 2012
    Inventors: Kamaluddin Abdur-Rashid, Dino Amoroso, Xuanhua Chen, Rongwei Guo, Shuiming Lu, Chi-Wing Tsang