Leslie E Shiel

Title: Celebrating the Innovations of Leslie E. Shiel

Introduction

Leslie E. Shiel, an accomplished inventor based in Gravesend, GB, has made significant contributions to the field of materials science with her innovative patents. With a total of four patents to her name, Shiel’s work primarily focuses on the development of coated particulate fillers and compositions for papermaking fillers. Her inventions exhibit a blend of creativity and technical expertise that addresses various industrial applications.

Latest Patents

One of Shiel’s most notable patents is centered around coated particulate fillers that contain phosphinic acid groups. This innovation involves the creation of filler particles that are coated with an adduct of an unsaturated polymer, such as polybutadiene, which enhances their functional properties. The process entails reacting an unsaturated organic polymer with a phosphorus trihalide, followed by applying the product to mineral particles like calcium carbonate. In order to establish the phosphinic acid groups, the product is hydrolyzed in situ, which allows these coated filler particles to serve effectively in reinforcing elastomers.

Another significant patent by Shiel concerns compositions designed for use in papermaking. This composition aims to improve the flocculation of filler in aqueous suspension, which is essential in the papermaking process. It comprises a mixture of starch, an organic polyelectrolyte, and an agent that regulates the mobility of the dispersion. This innovation reflects her commitment to enhancing the efficiency and quality of industrial processes.

Career Highlights

Throughout her career, Leslie E. Shiel has held integral positions within prominent companies. Notably, she worked with Blue Circle Industries Plc and the Associated Portland Cement Manufacturers Limited. Through these experiences, she has been able to refine her skills and contribute to advancements in material applications and technologies.

Collaborations

Shiel has collaborated with distinguished individuals in her field, including her coworker Kenneth Brooks. These partnerships have facilitated the exchange of ideas and expertise, further enriching the innovation landscape in which she operates.

Conclusion

Leslie E. Shiel's innovative spirit and dedication to her craft are evident in her patents and collaborative efforts. Her contributions to the development of coated particulate fillers and compositions for papermaking are commendable and highlight the importance of innovation in enhancing industrial processes. As she continues to develop new technologies, Shiel stands as a prominent figure in the realm of inventors, inspiring future generations to pursue advancements in materials science.