This inventor holds 4 USPTO granted patents. Top assignee: Imperial Chemical Industries Limited. Active years: 1983-1992.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Frodsham, GB (1983)
- Cheshire, GB (1985 - 1987)
- Cleveland, GB (1992)
Company Filing History:
Years Active: 1983-1992
Title: Discovering the Innovations of Allan Stewart in Cheshire, GB
Introduction
Allan Stewart, an inventive mind based in Cheshire, GB, has made significant contributions to the field of materials science and catalysis. With a total of four patents to his name, Allan's work exemplifies the spirit of innovation that drives technological advancements in various industries.
Latest Patents
Among his latest patents is the development of Zeolite NU-87. This novel zeolite showcases an 'as-prepared' form characterized by a unique X-ray diffraction pattern. The preparation of this zeolite involves a reaction mixture that includes sources of silica and a polymethylene alpha, omega-diammonium cation, with optional sources of alumina and metal oxide. Another notable patent by Allan focuses on toluene disproportionation employing a surface dealuminated zeolite. This innovation enables selective and controlled dealumination of an aluminosilicate zeolite through a process that fills the zeolite's pore system with foreign material, such as coke, and then selectively removes portions of it via a gas stream containing oxygen. This method ultimately enhances the selectivity to paraxylene when used as a catalyst in toluene disproportionation reactions.
Career Highlights
Allan Stewart has established his career at Imperial Chemical Industries Limited, a renowned company in the field of chemical manufacturing. His contributions have helped advance the understanding and application of zeolite materials in industrial processes.
Collaborations
Throughout his career, Allan has collaborated with esteemed colleagues such as Philip J Hogan and John Dewing. These partnerships have not only enriched his knowledge and expertise but also fostered a collaborative environment conducive to innovation.
Conclusion
Allan Stewart's inventive spirit and commitment to advancing chemical technology have made a lasting impact on the industry. His patents reflect a dedication to developing innovative solutions that enhance the efficiency and effectiveness of chemical processes. As Allan continues to explore new avenues for innovation, his work promises to inspire future generations of inventors.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile