This inventor holds 3 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: Wuhan Ll Science and Technology Development Co., Ltd., Wuhan Qr Pharmaceuticals Co., Ltd.. Active years: 2020-2021.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2020-2021
Title: Sijun Lei: Innovator in Chemical Synthesis
Introduction
Sijun Lei is a notable inventor based in Hubei, China, recognized for his contributions to the field of chemical synthesis. With a total of three patents to his name, he has made significant advancements in the development of compounds that have potential applications in medicine.
Latest Patents
One of Sijun Lei's latest patents is focused on an ammonium carboxylate compound, which includes both crystalline and amorphous forms, along with a preparation method. This invention is particularly relevant in the realm of chemical synthesis, as it provides a stable compound that can be utilized in medicine-making. The preparation methods outlined in this patent are designed to be straightforward, yielding high purity products with minimal impurities, thus facilitating safety and environmental protection in industrial production.
Another significant patent involves the potassium salt of a benzimidazole compound, which has applications in preparing an angiotensin II receptor antagonist. This compound is particularly effective in treating conditions such as hypertension, chronic heart failure, and diabetic nephropathy. The innovative aspect of this compound is its ability to release hydroxyligustrazine or NO simultaneously with azilsartan, enhancing its blood pressure-lowering effects and providing protective benefits for heart and kidney functions.
Career Highlights
Sijun Lei has worked with several companies, including Wuhan Ll Science and Technology Development Co., Ltd. and Wuhan Qr Pharmaceuticals Co., Ltd. His work in these organizations has contributed to the advancement of pharmaceutical research and development.
Collaborations
Throughout his career, Sijun Lei has collaborated with notable colleagues such as Yongkai Chen and Chaodong Wang. These partnerships have likely fostered innovation and the sharing of ideas within the field of chemical synthesis.
Conclusion
Sijun Lei's contributions to chemical synthesis and his innovative patents highlight his role as a significant inventor in the pharmaceutical industry. His work not only advances scientific knowledge but also has the potential to improve medical treatments and patient outcomes.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile