Patents by Inventor Subhash Chandra Ghosh

Subhash Chandra Ghosh 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).

  • Process of forming an amide
    Patent number: 9334230
    Abstract: A process is provided for the synthesis of an amide. A primary or secondary amine and a primary alcohol, with the amine and the alcohol being either moieties of different reactants or moieties of the same molecule, are contacted in the presence of a Ruthenium (II) catalyst. The Ruthenium (II) catalyst is free of a phosphine ligand. The process is also carried out in the absence of a phosphine. Providing the Ruthenium (II) catalyst includes providing an N-heterocyclic carbene.
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: May 10, 2016
    Assignee: NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Soon Hyeok Hong, Subhash Chandra Ghosh, Yao Zhang, Senthilkumar Muthaiah, Cheng Chen, Xiangya Xu
  • PROCESS OF FORMING AN AMIDE
    Publication number: 20120220768
    Abstract: A process is provided for the synthesis of an amide. A primary or secondary amine and a primary alcohol, with the amine and the alcohol being either moieties of different reactants or moieties of the same molecule, are contacted in the presence of a Ruthenium (II) catalyst. The Ruthenium (II) catalyst is free of a phosphine ligand. The process is also carried out in the absence of a phosphine. Providing the Ruthenium (II) catalyst includes providing an N-heterocyclic carbene.
    Type: Application
    Filed: September 20, 2010
    Publication date: August 30, 2012
    Applicant: NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Soon Hyeok Hong, Subhash Chandra Ghosh, Yao Zhang, Senthilkumar Muthaiah, Cheng Chen, Xiangya Xu