Patents by Inventor Anthony On-Ping King

Anthony On-Ping King 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 making substituted thiazolyl-amino pyrimidinyl
    Publication number: 20040023977
    Abstract: The present invention relates to a process for preparing substituted thiazolyl-amino pyrimidinyl piperazines, which are capable of inhibiting, modulating and/or regulating signal transduction of both receptor-type and non-receptor type tyrosine kinases.
    Type: Application
    Filed: July 14, 2003
    Publication date: February 5, 2004
    Inventors: Robert D. Larsen, Anthony On-Ping King
  • Synthesis of methylthiophenyl hydroxyketones
    Patent number: 6281391
    Abstract: This invention encompasses a novel process for synthesizing compounds represented by formula A: These compounds are intermediates useful in the preparation of certain agents that are selective COX-2 inhibitors.
    Type: Grant
    Filed: October 27, 1999
    Date of Patent: August 28, 2001
    Assignees: Merck & Co., Inc., Merck Frosst Canada & Co.
    Inventors: Richard D. Tillyer, Ian W. Davies, Robert D. Larsen, Xin Wang, Paul O'Shea, Anthony On-Ping King, Dalian Zhao, Cheng Y. Chen, Edward J. J. Grabowski
  • Process for the preparation of diisopinocampheylchloroborane
    Patent number: 5693816
    Abstract: The present invention relates to an improved process for the in situ preparation of diisopinocampheylchloroborane which comprises reacting sodium borohydride and boron trichloride with .alpha.-pinene. The diisopinocampheylchloroborane thus obtained may be used, without isolation, to reduce prochiral ketones to their corresponding alcohols in high optical purity.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: December 2, 1997
    Assignee: Merck & Co., Inc.
    Inventors: Anthony On-Ping King, Robert D. Larsen, Thomas R. Verhoeven, Mangzhu Zhao