Vincent Lam

Title: Vincent Lam - Innovator in Antitussive Drug Delivery

Introduction

Vincent Lam is a notable inventor based in Markham, Canada. He has made significant contributions to the field of pharmaceuticals, particularly in the development of antitussive drugs. His innovative approach has led to advancements in drug delivery systems that enhance the efficacy of medications.

Latest Patents

Vincent Lam holds a patent for "Antitussive drugs delivered by ion exchange resins." This invention involves a mixture of coated and non-coated sulfonic acid cation exchange resins, specifically Amberlite IR69, which are cross-linked with approximately 8% divinyl benzene. The patent details a method where dextromethorphan is loaded onto these resins, with about 30% of the drug/resin complexes being coated with a mixture of ethyl cellulose and water-dispersible polymers. The coating level is around 50% w/w drug, and the drug/resin complexes are loaded to about 45% by weight. The ratio of coated to uncoated complexes is approximately 55/45, with particle sizes ranging from 20 to 300 microns for coated complexes and 20 to 250 microns for uncoated ones.

Career Highlights

Vincent Lam has had a distinguished career, working with the Warner-Lambert Company, where he has been able to apply his expertise in pharmaceutical innovations. His work has not only contributed to the company's portfolio but has also advanced the field of drug delivery systems.

Collaborations

Throughout his career, Vincent has collaborated with notable colleagues, including Betty P. Wen and Michael P. Ramsay. These collaborations have fostered an environment of innovation and have led to the successful development of new pharmaceutical solutions.

Conclusion

Vincent Lam's contributions to the field of antitussive drug delivery exemplify the impact of innovative thinking in pharmaceuticals. His patent and career achievements highlight the importance of research and collaboration in advancing medical science.