John H Rennie

Title: Innovations of John H Rennie

Introduction

John H Rennie is a notable inventor based in Cheshire, GB. He has made significant contributions to the field of materials science, particularly in the development of porous spheroidal silica. With a total of 2 patents to his name, his work has implications in various industries, including cosmetics and pharmaceuticals.

Latest Patents

Rennie's latest patents focus on the creation of porous spheroidal silica. This innovative material has a particle size ranging from 1 to 400 microns and axial ratios between 1:1 to 1:12. The silica can contain up to 50% by weight of included materials such as perfumes, flavoring agents, pigments, and therapeutic agents. The process involves mixing an aqueous, stabilized silica sol with a non-adsorbing polymer to create a phase-separated system. This results in silica droplets that can aggregate to form spheroids, which can release their included materials through various means such as wetting or heating.

Career Highlights

John H Rennie is associated with Unilever Patent Holdings B.V., where he continues to innovate and develop new materials. His work has been instrumental in advancing the applications of silica in consumer products.

Collaborations

Rennie has collaborated with notable colleagues, including Michael J Garvey and Ian C Griffiths, contributing to the collective expertise in their field.

Conclusion

John H Rennie's contributions to the field of porous materials highlight his innovative spirit and dedication to advancing technology. His work continues to influence various industries, showcasing the importance of research and development in creating new solutions.