Patents by Inventor Lisha Qi

Lisha Qi 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).

  • BIOLOGICAL ACTIVITIES OF 5-(2-(4-(4-FLUORO-2-METHYL-1H-INDOL-5-YLOXY)-6-METHOXYQUINOLIN-7-YLOXY)ETHYL)-5-AZASPIRO[2.4]-HEPTAN-7-OL CRYSTALLINE, PHOSPHORIC ACID SALT AND ITS ENANTIOMERS
    Publication number: 20230399313
    Abstract: Disclosed herein relates to the biological activities and preparation of 5-(2-(4-(4-fluoro-2-methyl-1H-indol-5-yloxy)-6-methoxyquinolin-7-yloxy)ethyl)-5-azaspiro[2.4]-heptan-7-ol (Compound A) stable crystalline form (Compound A-Xln); its tablet (Compound A-Xln tablet); its phosphoric acid salt (Compound A-P) and phosphoric acid salt stable crystalline form (Compound A-P-Xln); as well as its enantiomers (Compound R-A, Compound S-A). Furthermore, their anti-cancer activities, stabilities, chirality, dissolutions and treatment indications have also been investigated.
    Type: Application
    Filed: June 6, 2023
    Publication date: December 14, 2023
    Applicant: Advenchen Pharmaceuticals, LLC
    Inventors: Guoqing Paul Chen, Zhe Li, Yingyin Li, Lisha Qi, Tingting Yu