This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: Shangyu Nhu Bio-Chem Co. Ltd, Zhejiang Nhu Company Ltd., Zhejiang Nhu Pharmaceutical Co., Ltd.. Active years: 2024-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 2024-2025
Title: **Xianghua Yao: Innovator in Taurine Preparation**
Introduction
Xianghua Yao is a notable inventor based in Zhejiang, China, recognized for his contributions in the field of chemistry and pharmaceutical processes. With two patents under his name, he has been pivotal in developing methods that enhance the preparation of taurine and its intermediates.
Latest Patents
Yao's latest inventions focus on the preparation of sodium taurate and taurine. His first patent outlines a **method for preparing sodium taurate as a taurine intermediate**. This innovative process involves the use of sodium hydroxyethyl sulfonate and an ammonia source, which are reacted in an aminolysis reactor. The specific molar ratio of ammonia to sodium hydroxyethyl sulfonate must be greater than or equal to 25:1 to obtain the desired sodium taurine intermediate.
In addition, he holds a patent for a **method for preparing taurine and recovering its mother liquor**. This method includes mixing taurine mother liquor with a treating agent to create a solid-containing suspension. By filtering this suspension, he is able to recover solid products and further process them with an ammonia source to yield additional valuable byproducts.
Career Highlights
Xianghua Yao has worked with reputable companies such as Zhejiang Nhu Company Ltd. and Zhejiang Nhu Pharmaceutical Co., Ltd. His collaboration within these organizations has fostered an environment of innovation, where he has applied his expertise in chemical processes to advance their pharmaceutical capabilities.
Collaborations
Throughout his career, Yao has collaborated with esteemed colleagues like Xiaoxiang He and Junhua Peng. Their teamwork exemplifies the synergy found in research and development within the chemical and pharmaceutical sectors, contributing significantly to Yao's inventive processes.
Conclusion
Xianghua Yao's work in the preparation of taurine and its intermediates showcases the intersection of innovation and practical application in the pharmaceutical industry. His patents contribute to the ongoing advancements in chemical processes, highlighting the importance of inventorship in enhancing product development and efficiency.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile