Patents by Inventor Bryon Ladd Simmons

Bryon Ladd Simmons 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 phosphoramidate protected nucleoside compounds
    Patent number: 10618926
    Abstract: The present invention is directed to process for making Compounds of Formula (II): (II), and salts thereof, wherein B, X, R2, R3, R4 R7, R8 and R9 are defined herein.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: April 14, 2020
    Assignee: Merck Sharp & Dohme
    Inventors: Steven M. Silverman, Bryon Ladd Simmons, Zhuqing Liu, Jing Liao, Artis Klapars, Kevin R. Campos, Ana Inés Bellomo Peraza
  • PROCESS FOR MAKING PHOSPHORAMIDATE PROTECTED NUCLEOSIDE COMPOUNDS
    Publication number: 20180111954
    Abstract: The present invention is directed to process for making Compounds of Formula (II): (II), and salts thereof, wherein B, X, R2, R3, R4 R7, R8 and R9 are defined herein.
    Type: Application
    Filed: March 28, 2016
    Publication date: April 26, 2018
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Steven M. Silverman, Bryon Ladd Simmons, Zhuqing Liu, Jing Liao, Artis Klapars, Kevin R. Campos, Ana Inés Bellomo Peraza