Location History:
- Xinchang County, CN (2013)
- Zhejiang, CN (2004 - 2016)
- Huancheng Donglu, CN (2015 - 2017)
Company Filing History:
4 out of 33 
3 out of 33 
1 out of 8 Years Active: 2004-2017
Title: Innovations and Contributions of Inventor Shiqing Pi
Introduction
Shiqing Pi is a notable inventor based in Huancheng Donglu, China. He has made significant contributions to the field of chemistry, particularly in the preparation of various chemical compounds. With a total of six patents to his name, his work has advanced the methodologies used in chemical synthesis.
Latest Patents
One of Shiqing Pi's latest patents is the "Preparation method of 3,7,11-trimethyldodec-2,4,6,10-tetraene-1-yl-phosphonic salt." This invention outlines a method for creating a phosphonic salt by reacting 3,7,11-trimethyldodec-1,4,6,10-tetraene-3-ol with triarylphosphine and an acid in an alcohol solvent at temperatures between 50-100°C. The process is designed to minimize impurities and enhance the yield of lycopene derived from the phosphonic salt.
Another significant patent is the "Method for preparing D-biotin." This method improves upon prior art by utilizing dimethyl sulfoxide and inorganic bases as catalysts, allowing for a condensation reaction that avoids the production of impurities. The resulting D-biotin is of higher quality, demonstrating the effectiveness of Pi's innovative approach.
Career Highlights
Throughout his career, Shiqing Pi has worked with several prominent companies, including Zhejiang Medicine Co., Ltd. and Xinchang Pharmaceutical Factory. His experience in these organizations has contributed to his expertise in chemical synthesis and innovation.
Collaborations
Shiqing Pi has collaborated with notable colleagues such as Chunlei Lv and Jianhui Chen. These partnerships have likely fostered a productive environment for research and development in their respective fields.
Conclusion
Shiqing Pi's contributions to chemical synthesis through his innovative patents highlight his role as a significant inventor in the industry. His work not only advances scientific knowledge but also improves the quality of chemical products.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.