Patents by Inventor Chihui AN

Chihui AN 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).

  • SYNTHESIS OF FLUORINATED CYCLIC DINUCLEOTIDES
    Publication number: 20240199680
    Abstract: The present invention relates to efficient processes useful in the preparation of fluorinated cyclic dinucleosides, such as [P(R)]-2?-deoxy-2?-fluoro-5?-O—[(R)-hydroxymercaptophosphinyl]-P-thio-?-D-arabino-adenylyl-(3??5?)-3?-deoxy-3?-fluoroguanosine cyclic nucleotide, which is also known as (2R,5R,7R,8S,10R,12aR,14R,15S,15aR,16R)-7-(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)-14-(6-amino-9H-purin-9-yl)-15,16-difluoro-2, 10-bis(sulfanyl)octahydro-2H,10H, 12H-2?5,10?5-5,8-methanofuro[3,2-1][1, 3,6,9,11,2,10]pentaoxadiphosphacyclotetradecine-2,10-dione. The present invention also encompasses intermediates useful in the disclosed synthetic processes and the methods of their preparation.
    Type: Application
    Filed: March 28, 2022
    Publication date: June 20, 2024
    Applicant: Merck Sharp & Dohme LLC
    Inventors: Chihui An, Patrick S. Fier, Kaori Hiraga, Zhijian Liu, Nicholas M. Marshall, John McIntosh, Steven P. Miller, Jeffrey C. Moore, Grant S. Murphy, Jennifer V. Obligacion, Weilan Pan, Feng Peng, Nastaran Salehi Marzijarani, Matthew S. Winston
  • AMYLOID PROTEIN MODIFYING SORTASES AND USES THEREOF
    Publication number: 20240077502
    Abstract: Evolved sortases exhibiting enhanced reaction kinetics and/or altered substrate preferences are provided herein, for example evolved sortases that bind recognitions motifs comprising a LMVGG [SEQ ID NO: 3] sequence. Also provided are methods (e.g., orthogonal transpeptidation and diagnostics methods) for using such sortases.
    Type: Application
    Filed: January 11, 2022
    Publication date: March 7, 2024
    Applicants: The Broad Institute, Inc., President and Fellows of Harvard College, The Brigham and Women's Hospital Inc.
    Inventors: David R. Liu, Christopher J Podracky, Chihui An, Dominic Walsh
  • PENICILLIN-G ACYLASES
    Publication number: 20230272363
    Abstract: The present invention provides engineered penicillin G acylase (PGA) enzymes, polynucleotides encoding the enzymes, compositions comprising the enzymes, and methods of using the engineered PGA enzymes.
    Type: Application
    Filed: March 23, 2023
    Publication date: August 31, 2023
    Inventors: Rama Voladri, Christopher Michael Micklitsch, Oscar Alvizo, Jovana Nazor, Da Duan, Judy Victoria Antonio Viduya, Stephan Jenne, Chihui An, Keith Allen Canada, Paul N. Devine, Iman Farasat, Anna Fryszkowska, Katrina W. Lexa, Robert Kevin Orr
  • Penicillin-g acylases
    Patent number: 11643642
    Abstract: The present invention provides engineered penicillin G acylase (PGA) enzymes, polynucleotides encoding the enzymes, compositions comprising the enzymes, and methods of using the engineered PGA enzymes.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: May 9, 2023
    Assignee: Codexis, Inc.
    Inventors: Rama Voladri, Christopher Michael Micklitsch, Oscar Alvizo, Jovana Nazor, Da Duan, Judy Victoria Antonio Viduya, Stephan Jenne, Chihui An, Keith Allen Canada, Paul N. Devine, Iman Farasat, Anna Fryszkowska, Katrina W. Lexa, Robert Kevin Orr
  • PENICILLIN-G ACYLASES
    Publication number: 20200115696
    Abstract: The present invention provides engineered penicillin G acylase (PGA) enzymes, polynucleotides encoding the enzymes, compositions comprising the enzymes, and methods of using the engineered PGA enzymes.
    Type: Application
    Filed: May 23, 2018
    Publication date: April 16, 2020
    Inventors: Rama Voladri, Christopher Michael Micklitsch, Oscar Alvizo, Jovana Nazor, Da Duan, Judy Victoria Antonio Viduya, Stephan Jenne, Chihui An, Keith Allen Canada, Paul N. Devine, Iman Farasat, Anna Fryszkowska, Katrina W. Lexa, Robert Kevin Orr
  • Irciniastatin analogues
    Patent number: 9540355
    Abstract: The present invention is directed to irciniastatin analogs. Uses of these analogs also described.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: January 10, 2017
    Assignee: The Trustees Of The University Of Pennsylvania
    Inventors: Amos B. Smith, III, Chihui An, Adam T. Hoye
  • IRCINIASTATIN ANALOGUES
    Publication number: 20150344462
    Abstract: The present invention is directed to irciniastatin analogues. Uses of these analogues also described.
    Type: Application
    Filed: January 15, 2014
    Publication date: December 3, 2015
    Inventors: Amos B. Smith, III, Chihui AN, Adam T. Hoye