Patents by Inventor Ryan Wing-Kun Chau

Ryan Wing-Kun 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).

  • Indazolyl-spiro[2.2]pentane-carbonitrile derivatives as LRRK2 inhibitors, pharmaceutical compositions, and uses thereof
    Patent number: 11161854
    Abstract: The present invention is directed to substituted certain reversed indazolyl-spiro[2.2]pentane-carbonitrile derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein R1, R2, R3, X, Y, and Z 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: October 8, 2018
    Date of Patent: November 2, 2021
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: David Annunziato Candito, Thomas H. Graham, John Acton, Ryan Wing-Kun Chau, Joanna L. Chen, J. Michael Ellis, Peter H. Fuller, Anmol Gulati, Hakan Gunaydin, Solomon Kattar, Mitchell Henry Keylor, Blair T. Lapointe, Ping Liu, Weiguo Liu, Joey L. Methot, Santhosh F. Neelamkavil, Vladimir Simov, Ling Tong, Harold B. Wood
  • INDAZOLYL-SPIRO[2.2]PENTANE-CARBONITRILE DERIVATIVES AS LRRK2 INHIBITORS, PHARMACEUTICAL COMPOSITIONS, AND USES THEREOF
    Publication number: 20210188863
    Abstract: The present invention is directed to substituted certain reversed indazolyl-spiro[2.2]pentane-carbonitrile derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein R1, R2, R3, X, Y, and Z 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: October 8, 2018
    Publication date: June 24, 2021
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: David Annunziato Candito, Thomas H. Graham, John Acton, Ryan Wing-Kun Chau, Joanna L. Chen, J. Michael Ellis, Peter H. Fuller, Anmol Gulati, Hakan Gunaydin, Solomon Kattar, Mitchell Henry Keylor, Blair T. Lapointe, Ping Liu, Weiguo Liu, Joey L. Methot, Santhosh F. Neelamkavil, Vladimir Simov, Ling Tong, Harold B. Wood