Patents by Inventor Ryan Chau

Ryan Chau 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).

  • Patent number: 12570640
    Abstract: The present invention is directed to certain 2-aminoquinzaoline derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein R1, R3, R4, X1, and X2 are as defined herein, which are potent inhibitors of LRRK2 kinase and may be useful in the treatment or prevention of diseases in which the LRRK2 kinase is involved, such as Parkinson's Disease and other diseases and disorders described herein. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which LRRK-2 kinase is involved.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: March 10, 2026
    Assignee: Merck Sharp & Dohme LLC
    Inventors: John J. Acton, III, Ryan Chau, Peter H. Fuller, Anmol Gulati, Rebecca Elizabeth Johnson, Solomon Kattar, Mitchell H. Keylor, Derun Li, Kaila A. Margrey, Gregori J. Morriello, Xin Yan
  • Publication number: 20240287138
    Abstract: Provided are compounds of the Formula (I), or their pharmaceutically acceptable salts, can inhibit TNFR1 and are expected to have utility as therapeutic agents, for example, for treating inflammatory bowel diseases, rheumatoid arthritis, junvenile rheumatoid arthritis, psoriasis, psoriatic arthritis, ankylosing spondylitis, non-radiographic axial spondyloarthritis and hidradenitis suppurativa. The disclosure also provides pharmaceutical compositions which comprise the compounds disclosed herein or pharmaceutically acceptable salts thereof. The disclosure also relates to methods for use of the compounds or their pharmaceutically acceptable salts in the therapy and prophylaxis of inflammatory bowel diseases, rheumatoid arthritis, juvenile rheumatoid arthritis, psoriasis, psoriatic arthritis, ankylosing spondylitis, non-radiographic axial spondyloarthritis and hidradenitis suppurativa, and for preparing pharmaceuticals for this purpose.
    Type: Application
    Filed: February 1, 2024
    Publication date: August 29, 2024
    Inventors: Kaustav Biswas, Nicolas C. Boyer, Brandon D. Cash, Fa-Xiang Ding, John R. Frost, Michael B. Garrigou, James P. Jewell, Ahmet Kekec, Hu-Jung Julie Lee, Songnian Lin, Ashwin U. Rao, Daniel J. Sindhikara, Murray Wan, Yuping Zhu, Susan L. Zultanski, Tony Siu, Andrew M. Haidle, Claudio Mapelli, Luca Gambini, Federica Orvieto, Roberta Tozzi, Nicolo Maria Pasquini, Luigi Abate, Giordano Proietti, Michael Wuo, Ryan Chau
  • Publication number: 20240239788
    Abstract: Compounds or their pharmaceutically acceptable salts can inhibit the G12D mutant of Kirsten rat sarcoma (KRAS) protein and are expected to have utility as therapeutic agents, for example, for treating cancer. The disclosure also provides pharmaceutical compositions which comprise compounds disclosed herein or pharmaceutically acceptable salts thereof. The disclosure also relates to methods for use of the compounds or their pharmaceutically acceptable salts in the therapy and prophylaxis of cancer and for preparing pharmaceuticals for this purpose.
    Type: Application
    Filed: April 15, 2022
    Publication date: July 18, 2024
    Inventors: David L. Sloman, Gianni Chessari, Patrick Schöpf, Steven Howard, Yuichi Kawai, Kazuaki Shibata, Hiroki Asakura, Takao Uno, Takeshi Sagara, Masayuki Nakamura, Yu Kobayakawa, David Jonathan Bennett, Indu Bharathan, Thomas H. Graham, Yongxin Han, Zahid Hussain, Xiaoshen Ma, Mihir Mandal, Ryan D. Otte, Anandan Palani, Uma Swaminathan, Mycah Uehling, Yingchun Ye, Ryan Chau, Alec H. Christian, Symon Gathiaka, Timothy J. Henderson, Elisabeth T. Hennessy, Andrew J. Hoover, Shuhei Kawamura, Igri Kolaj, Thomas W. Lyons, Matthew J. Mitcheltree, Aaron Sather
  • Publication number: 20230303540
    Abstract: The present invention is directed to certain 2-aminoquinzaoline derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein R1, R3, R4, X1, and X2 are as defined herein, which are potent inhibitors of LRRK2 kinase and may be useful in the treatment or prevention of diseases in which the LRRK2 kinase is involved, such as Parkinson's Disease and other diseases and disorders described herein. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which LRRK-2 kinase is involved.
    Type: Application
    Filed: September 1, 2021
    Publication date: September 28, 2023
    Applicant: Merck Sharp & Dohme LLC
    Inventors: John J. Acton, III, Ryan Chau, Peter H. Fuller, Anmol Gulati, Rebecca Elizabeth Johnson, Solomon Kattar, Mitchell H. Keylor, Derun Li, Kaila A. Margrey, Gregori J. Morriello, Xin Yan