Patents by Inventor Xuelei GUO

Xuelei GUO 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 AN EP4 ANTAGONIST
    Publication number: 20250092008
    Abstract: The present disclosure provides the methods for making 4-[4-cyano-2-({[(2?R,4S)-6-(isopropylcarbamoyl)-2,3-dihydrospiro[chromene-4,1?-cyclopropan]-2?-yl]carbonyl}amino)phenyl]butanoic acid. The present disclosure also generally relates to intermediates useful in the said methods.
    Type: Application
    Filed: August 9, 2022
    Publication date: March 20, 2025
    Applicant: ONO PHARMACEUTICAL CO., LTD.
    Inventors: Ryoichi ARIHARA, Naoya SAGAWA, Michael Bryan HAY, Sarah Evelyn STEINHARDT, Steven R. WISNIEWSKI, John Ryan COOMBS, Gregory Louis BEUTNER, Patricia Y. CHO, Carlos A. GUERRERO, Miao YU, Xuelei GUO