Xuanqiang Yu

Title: The Innovations of Xuanqiang Yu

Introduction

Xuanqiang Yu is a notable inventor based in Portage, MI (US). He has made significant contributions to the field of pharmaceuticals, particularly in the development of stable solid forms of fluoroquinolone compounds. His work has implications for the effectiveness and stability of medications.

Latest Patents

Xuanqiang Yu holds a patent for a physically stable solid form of a fluoroquinolone. The patent, titled "Novel crystal forms of the fluoroquinolone, [S-(R*,S*)]-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-[3-[1-(methylamino)ethyl]-1-pyrrolidinyl]-4-oxo-3-quinolinecarboxylic acid," discloses various forms characterized by one methanol solvate form and three anhydrous polymorphic forms. Among these, Form III exhibits the greatest stability and decreased hygroscopicity, making it a valuable advancement in pharmaceutical formulations.

Career Highlights

Xuanqiang Yu is associated with Pharmacia & Upjohn Company, where he has been instrumental in research and development. His innovative work has led to advancements in drug formulation, enhancing the stability and efficacy of important medications.

Collaborations

He has collaborated with notable colleagues, including Michael J Dunn and Michael S Bergren, contributing to a dynamic research environment that fosters innovation and discovery.

Conclusion

Xuanqiang Yu's contributions to the field of pharmaceuticals through his patent on fluoroquinolone solid forms highlight his role as an influential inventor. His work continues to impact the development of stable and effective medications.