John Richard Langridge

Title: John Richard Langridge: Innovator in Controlled Release Excipients

Introduction

John Richard Langridge is a notable inventor based in Sint Oedenrode, Netherlands. He has made significant contributions to the field of pharmaceutical formulations, particularly in the development of controlled release excipients. His innovative work has led to the creation of a patent that enhances the effectiveness of slow or extended release tablets.

Latest Patents

Langridge holds a patent for an "Extended release excipient and its use." This patent describes a controlled release excipient composition that is suitable for formulating slow or extended release tablets. The composition includes a synergistic mixture of substantially uncross-linked carboxymethyl starch or sodium starch glycolate (SSG), along with a hydrophilic, non-ionic cellulose ether, preferably hydroxypropylmethylcellulose. The patent outlines a method to determine whether the SSG in the mixture is sufficiently uncross-linked, which involves sedimentation tests.

Career Highlights

John Richard Langridge is associated with Campina Nederland Holding B.V., where he applies his expertise in excipient formulation. His work has been instrumental in advancing the pharmaceutical industry’s capabilities in drug delivery systems. With a focus on innovation, Langridge continues to contribute to the development of effective pharmaceutical solutions.

Collaborations

Langridge has collaborated with notable colleagues, including Linqiu Cao and Alexander Wilhelmus Van Gessel. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in their respective fields.

Conclusion

John Richard Langridge is a distinguished inventor whose work in controlled release excipients has made a significant impact on pharmaceutical formulations. His innovative patent and collaborations highlight his commitment to advancing drug delivery technologies.