Patents by Inventor PingPing Tang

PingPing Tang 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 FOR THE PREPARATION OF BIPHENYLAMINES
    Publication number: 20220380321
    Abstract: The invention relates to a method for the preparation of 2-aminobiphenyls, key intermediates in the preparation of compounds of interest in the agrochemical industry. The process comprises reacting an ortho-substituted aniline and a phenylboro derivative in the presence of a base and a palladium catalyst, said palladium catalyst comprising a palladium source and a biphenyl phosphine ligand of formula (III) or a salt thereof.
    Type: Application
    Filed: July 16, 2020
    Publication date: December 1, 2022
    Inventors: Xi ZHEN, Pingping TANG, Natali ASHUSH, Einat KISIN-FINFER
  • Fluorination of organic compounds
    Patent number: 9150516
    Abstract: Methods for fluorinating organic compounds are described herein.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: October 6, 2015
    Assignee: President and Fellows of Harvard College
    Inventors: Tobias Ritter, Pingping Tang
  • Fluorination of organic compounds
    Patent number: 9024093
    Abstract: Methods for fluorinating organic compounds are described herein.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: May 5, 2015
    Assignee: President and Fellows of Harvard College
    Inventors: Tobias Ritter, Takeru Furuya, Pingping Tang
  • FLUORINATION OF ORGANIC COMPOUNDS
    Publication number: 20120316341
    Abstract: Methods for fluorinating organic compounds are described herein.
    Type: Application
    Filed: April 11, 2012
    Publication date: December 13, 2012
    Inventors: Tobias Ritter, Pingping Tang
  • FLUORINATION OF ORGANIC COMPOUNDS
    Publication number: 20110312903
    Abstract: Methods for fluorinating organic compounds are described herein.
    Type: Application
    Filed: November 20, 2009
    Publication date: December 22, 2011
    Inventors: Tobias Ritter, Takeru Furuya, PingPing Tang