This inventor holds 2 USPTO granted patents. Top assignees: British Aerospace Public Limited Company, The Secretary of State for Defence in Her Majesty's Government of the. Active years: 1989-1992.
Company Filing History:
1 out of 321 
1 out of 18 Years Active: 1989-1992
Title: The Innovations of Norman M Ratcliffe
Introduction
Norman M Ratcliffe is a notable inventor based in Bristol, GB. He has made significant contributions to the field of conductive materials, holding a total of 2 patents. His work has implications in various technological applications, particularly in sensors and film preparation.
Latest Patents
One of Ratcliffe's latest patents involves the preparation of conductive films. This invention describes a method for forming an electrically-conductive polypyrrole film on a non-conducting substrate. The process includes contacting the substrate with pyrrole and an oxidizing agent in a solvent, or with colloidal polypyrrole, and subsequently removing the substrate while the film remains at least substantially transparent, typically between 50 to 250 nm thick. Additionally, he has developed a gas sensor that comprises a chemiresistor prepared by this innovative process. Another significant patent pertains to Langmuir-Blodgett films, which further showcases his expertise in material science.
Career Highlights
Throughout his career, Ratcliffe has worked with prominent organizations, including British Aerospace Public Limited Company and the Secretary of State for Defence in Her Majesty's Government. His experience in these institutions has allowed him to apply his inventive skills in practical and impactful ways.
Collaborations
Ratcliffe has collaborated with notable individuals in his field, including Gilbert W Smith and Mervyn F Daniel. These partnerships have likely contributed to the advancement of his research and innovations.
Conclusion
Norman M Ratcliffe's contributions to the field of conductive materials and sensor technology highlight his role as a significant inventor. His patents reflect a commitment to innovation and practical applications in science and technology.