This inventor holds 1 USPTO granted patent. Top assignee: Pilkington Brothers P.l.c.. Active years: 1989.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1989
Title: Ian M Threlfall: Innovator in Photochromic Technology
Introduction
Ian M Threlfall is a notable inventor based in Wigan, GB. He has made significant contributions to the field of synthetic plastics, particularly in the development of photochromic articles. His innovative approach has led to advancements in the manufacturing processes of ophthalmic lenses.
Latest Patents
Threlfall holds a patent for a "Process for manufacturing photochromic articles." This patent describes a direct casting process for creating shaped synthetic plastic articles, such as ophthalmic lenses, with photochromic properties. The process involves incorporating a photochromic spiro-oxazine compound into a mixture of a highly reactive polyfunctional monomer and a minimal amount of a polymerization catalyst. The composition is then cured in a mold to form the final product.
Career Highlights
Ian M Threlfall is associated with Pilkington Brothers P.L.C., a company known for its expertise in glass and glazing solutions. His work at Pilkington has allowed him to focus on innovative manufacturing techniques that enhance the functionality of plastic articles.
Collaborations
Threlfall has collaborated with William Ramsey Maltman, contributing to the development of advanced materials and processes in their field.
Conclusion
Ian M Threlfall's contributions to photochromic technology exemplify the impact of innovation in the manufacturing sector. His work continues to influence the development of synthetic plastic articles, showcasing the importance of research and collaboration in driving advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile