David Andrew Entwistle

Title: David Andrew Entwistle: Innovator in Pharmaceutical Chemistry

Introduction

David Andrew Entwistle is a notable inventor based in Sandwich, GB. He has made significant contributions to the field of pharmaceutical chemistry, holding a total of 3 patents. His work focuses on innovative compounds that have the potential to impact medical treatments.

Latest Patents

One of his latest patents involves anhydrous crystalline forms of N-[1-(2-ethoxyethyl)-5-(N-ethyl-N-methylamino)-7-(4-methylpyridin-2-yl-amino)-1H-pyrazolo[4,3-d]pyrimidine-3-carbonyl]methanesulfonamide. This invention includes (1) anhydrous crystalline forms of the compound, (2) pharmaceutical compositions comprising at least one such form, (3) methods for treating a phosphodiesterase-5-mediated condition using at least one such form, and (4) methods for preparing these forms. The compound has a specific structure that is crucial for its functionality in medical applications.

Career Highlights

David is currently associated with Pfizer Corporation, a leading global pharmaceutical company. His role at Pfizer allows him to work on cutting-edge research and development projects that aim to improve health outcomes through innovative drug formulations.

Collaborations

Throughout his career, David has collaborated with esteemed colleagues such as Peter Vallance Marshall and Stefan Colin John Taylor. These collaborations have fostered a productive environment for innovation and have contributed to the advancement of pharmaceutical sciences.

Conclusion

David Andrew Entwistle exemplifies the spirit of innovation in the pharmaceutical industry. His contributions through patents and collaborations highlight the importance of research in developing effective medical treatments.