Patents by Inventor Changxue Lin

Changxue Lin 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).

  • Chemical process for preparing spiroindolones and intermediates thereof
    Patent number: 9598712
    Abstract: The present invention relates to processes and intermediates useful for the manufacture of spiroindolone compounds such as (1?R,3?S)-5,7?-dichloro-6?-fluoro-3?-methyl-2?,3?,4?,9?-tetrahydrospiro[indoline-3,1?-pyrido[3,4-b]indol]-2-one and salts and hydrates and solvates thereof.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: March 21, 2017
    Assignee: Novartis AG
    Inventors: Michael Crowe, Michael Foulkes, Giancarlo Francese, Dominique Grimler, Ernst Kuesters, Kurt Laumen, Yunzhong Li, Changxue Lin, Jovana Nazor, Thomas Ruch, Derek Smith, Shiwei Song, Shangjun Teng
  • Chemical Process for Preparing Spiroindolones and Intermediates Thereof
    Publication number: 20150045562
    Abstract: The present invention relates to processes and intermediates useful for the manufacture of spiroindolone compounds such as (1?R,3?S)-5,7?-dichloro-6?-fluoro-3?-methyl-2?,3?,4?,9?-tetrahydrospiro[indoline-3,1?-pyrido[3,4-b]indol]-2-one and salts and hydrates and solvates thereof.
    Type: Application
    Filed: March 22, 2013
    Publication date: February 12, 2015
    Applicant: Novartis AG
    Inventors: Michael Crowe, Michael Foulkes, Giancarlo Francese, Dominique Grimler, Ernst Kuesters, Kurt Laumen, Yunzhong Li, Changxue Lin, Jovana Nazor, Thomas Ruch, Derek Smith, Shiwei Song, Shangjun Teng