John Graham Allen

Title: John Graham Allen: Innovator in Fluorine Chemistry

Introduction

John Graham Allen is a notable inventor based in Warrington, GB. He has made significant contributions to the field of fluorine chemistry, holding a total of 8 patents. His work primarily focuses on processes that enhance the recovery and utilization of hydrogen fluoride.

Latest Patents

One of his latest patents is the "Hydrogen fluoride recovery process." This innovative process involves recovering hydrogen fluoride (HF) from a mixture, preferably an azeotropic mixture, of HF with water and/or organic compounds such as 134a, 125, or 133a. The method comprises contacting the mixture with lithium fluoride or an alkaline earth metal fluoride to form a metal fluoride-hydrogen fluoride compound, such as lithium bifluoride (LiHF₂). The process is particularly useful for recovering HF from azeotropic or azeotropic-like mixtures. Another significant patent is related to "Catalyst production for use in a process for fluorination of hydrocarbons," which further showcases his expertise in this specialized area.

Career Highlights

Throughout his career, John Graham Allen has worked with prominent companies, including Imperial Chemical Industries Limited. His experience in these organizations has allowed him to develop and refine his innovative processes, contributing to advancements in the chemical industry.

Collaborations

John has collaborated with notable individuals in his field, including Michael John McDermott and Keith Jones. These partnerships have likely enriched his work and led to further innovations in fluorine chemistry.

Conclusion

John Graham Allen is a distinguished inventor whose work in hydrogen fluoride recovery and catalyst production has made a significant impact in the field of chemistry. His contributions continue to influence advancements in the industry, showcasing the importance of innovation in scientific research.