David Roy Merrifield

Title: The Innovative Contributions of David Roy Merrifield

Introduction

David Roy Merrifield is a notable inventor based in Worthing, GB. He has made significant contributions to the field of particle production and pharmaceutical formulations. With a total of 6 patents to his name, Merrifield's work has had a considerable impact on various industries.

Latest Patents

Merrifield's latest patents include a process and apparatus for producing particles using a supercritical fluid. This innovative process involves mixing a dispersion of material in a solvent with a compressible fluid antisolvent substance under specific conditions. The resulting mixture flows through a conduit toward an orifice, where it decompresses, isolating the material in a particulate state. The antisolvent substance is preferably a supercritical fluid, allowing for the generation of co-formulations with additives in suitable carrier vehicles. Another significant patent is a pharmaceutical formulation comprising amoxycillin hydrate and an effervescent couple, which can include various acids and sodium or potassium equivalents. These formulations can be produced as free-flowing powders, granules, or tablets.

Career Highlights

Throughout his career, Merrifield has worked with prominent companies such as Beecham Group Plc and SmithKline Beecham Corporation. His experience in these organizations has contributed to his expertise in the development of innovative pharmaceutical solutions.

Collaborations

Merrifield has collaborated with notable individuals in his field, including Paul Laurence Carter and David George Doughty. These partnerships have likely enhanced his research and development efforts.

Conclusion

David Roy Merrifield's contributions to the fields of particle production and pharmaceutical formulations demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving processes and products that benefit various industries.