This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignee: Douglas Pharmaceuticals Limited. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Zhen Shi: Pharmaceutical Invention and Patent
Introduction
Zhen Shi is an inventor associated with Lincoln, New Zealand, and Douglas Pharmaceuticals Limited. His patent work includes a pharmaceutical formulation designed for rectal delivery of 6-thioguanine.
Latest Patents
Shi is associated with 1 patent, titled “Pharmaceutical Rectal Suppository Compositions of 6-Thioguanine, Methods of Treatment and/or Methods of Manufacturing.” The patent describes a rectal suppository containing 6-thioguanine, at least one hard fat, and at least one surfactant. It also describes formulations containing about 1 to 9 mg of 6-thioguanine.
The invention further outlines a method of preventing, treating, or managing inflammatory bowel disease by administering the suppository to a subject in need. Its manufacturing method involves heating hard fat until liquid, adding a surfactant and 6-thioguanine, and forming the mixture into a suppository. The surfactant may be added before or after the 6-thioguanine.
Career Highlights
Shi’s listed patent reflects work on pharmaceutical formulation and drug delivery, with a focus on a rectal dosage form and its potential use in managing inflammatory bowel disease. He is associated with Douglas Pharmaceuticals Limited.
Collaborations
Fergus Cameron Binnie is identified as Shi’s coworker.
Conclusion
Zhen Shi’s patent describes a 6-thioguanine rectal suppository, its potential therapeutic application, and a method for manufacturing the formulation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile