Company Filing History:
Years Active: 2015
Title: Quanzhi Liu: Innovator in Controlled Release Technology
Introduction
Quanzhi Liu is a notable inventor based in Beijing, China. He has made significant contributions to the field of pharmaceutical technology, particularly in the development of controlled release systems.
Latest Patents
Quanzhi Liu holds a patent for an osmotic pump controlled release tablet and its preparation method. This innovative tablet is designed to provide a controlled release of medication, enhancing therapeutic efficacy. The osmotic pump controlled release tablet consists of a tablet core, a semipermeable membrane, and an optional film coating. The semipermeable membrane is made from a blend of ethyl cellulose and povidone in a weight ratio of 1:1 to 1:4. The tablet core includes a drug-containing layer and a push layer, which work together to regulate the release of the drug. Notably, the design features an angle θ between the outer curved surface of the drug-containing layer and the lateral surface, ranging from 120° to 180°. Additionally, the ratio of L to r is maintained between 0.27 and 1.0, where L is the vertical distance from the central vertex of the outer curved surface to the intersection plane, and r is the radius of the tablet core. This patent showcases Liu's innovative approach to improving drug delivery systems.
Career Highlights
Quanzhi Liu is associated with Beijing Team Hospital Management Co., Ltd., where he applies his expertise in pharmaceutical innovations. His work focuses on enhancing patient care through advanced drug delivery technologies.
Collaborations
Quanzhi Liu collaborates with esteemed colleagues, including Qingwei Jiang and Weifeng Yi. Their combined efforts contribute to the advancement of pharmaceutical research and development.
Conclusion
Quanzhi Liu's contributions to controlled release technology exemplify his commitment to innovation in the pharmaceutical field. His patent for the osmotic pump controlled release tablet represents a significant advancement in drug delivery systems.