This inventor holds 1 USPTO granted patent. Top assignee: Nagase Co., Ltd.. Active years: 2007.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2007
Title: Kazuto Yoshida and His Patent for Optically Active Flurbiprofen
Introduction
Kazuto Yoshida is an inventor associated with Ibi-gun, Japan, and Nagase Co., Ltd. His patent work includes a process for producing optically active flurbiprofen, a method designed to obtain the desired form of the compound efficiently.
Latest Patents
Yoshida is credited with 1 patent: “Process for Producing Optically Active Flurbiprofen.” The invention describes mixing racemic flurbiprofen with either (S)- or (R)-3-methyl-2-phenylbutylamine in an organic solvent to form a diastereomeric salt. The salt is then treated with an acid in a second solvent. The process aims to produce flurbiprofen with the desired absolute configuration without requiring repeated optical-resolution procedures.
Career Highlights
Yoshida’s listed patent reflects work on a practical method for separating and producing optically active flurbiprofen. The disclosed approach focuses on improving the efficiency of obtaining the desired configuration.
Collaborations
Yoshida’s listed coworkers include Keisuke Matsuyama and Shunji Kamiyama. His patent is associated with Nagase Co., Ltd.
Conclusion
Kazuto Yoshida’s patent documents a method for producing optically active flurbiprofen through diastereomeric salt formation and acid treatment, with the goal of avoiding repeated optical resolution.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile