This inventor holds 6 USPTO granted patents. Top assignee: The British Petroleum Company, P.l.c.. Active years: 1985-1991.
Location History:
- Gower, GB (1988)
- Swansea, GB (1989)
- Bishopston, GB (1985 - 1991)
Company Filing History:
Years Active: 1985-1991
Title: The Innovations of John H Purnell
Introduction
John H Purnell is a notable inventor based in Bishopston, GB. He has made significant contributions to the field of chemistry, particularly in the area of catalysis. With a total of six patents to his name, Purnell's work has had a considerable impact on organic reactions.
Latest Patents
One of his latest patents is titled "Proton-catalyzed reactions catalyzed by hydrogen ion-exchanged layered." This invention relates to the use of hydrogen ion-exchanged layered clays in organic reactions that are catalyzed by protons. Such organic reactions include the production of ethers through the reaction of an alcohol with an olefin or an olefin oxide. Additionally, it covers the production of an alkyl aromatic compound by the reaction of an aromatic hydrocarbon with an olefin or a C.sub.2 or higher alcohol, as well as the production of an alcohol by the hydration of an olefin. Another significant patent is "Lithiated clays and uses thereof," which discloses a novel family of layered clays characterized by the replaceable hydrogens of the hydroxyl groups within the structure being replaced by lithium. This patent also includes a method of manufacturing the lithiated clays and their use as catalysts.
Career Highlights
John H Purnell is associated with the British Petroleum Company, P.l.c., where he has been able to apply his innovative ideas in a corporate setting. His work has contributed to advancements in chemical processes that are essential for various industrial applications.
Collaborations
Throughout his career, Purnell has collaborated with notable colleagues, including James A Ballantine and John M Thomas. These collaborations have likely enriched his research and led to further innovations in the field.
Conclusion
John H Purnell's contributions to the field of chemistry through his patents and collaborations highlight his role as a significant inventor. His work continues to influence organic reactions and catalysis, showcasing the importance of innovation in scientific research.