Todd A Richardson

Title: Todd A. Richardson: Innovator in Silica Pigments

Introduction

Todd A. Richardson is a notable inventor based in Lowell, MA (US). He has made significant contributions to the field of materials science, particularly in the development of silica pigments. With a total of 2 patents to his name, Richardson's work has implications for various applications, including color films and liquid crystal displays.

Latest Patents

Richardson's latest patents include innovative methods for creating dyed silica pigments. The first patent, titled "Dyed silica pigments and products made from same," discloses the adsorption of cationic dyes on nanosize negatively charged silica particles. This process allows for the formation of colored pigments through a strong chemical reaction between the silica particles and the dyes. The resulting pigments are particularly useful in the formation of color films, and their optical properties are thoroughly described. Additionally, the patent discusses the use of photoresists with nanosized pigments for creating color filters in liquid crystal displays.

The second patent, "Dye incorporated pigments and products made from same," focuses on the adsorption of anionic dyes on nanosize alumina modified silica particles. Similar to the first patent, this process involves a strong chemical reaction that enables the formation of colored pigments. These pigments also find applications in color films and photoresists for liquid crystal displays.

Career Highlights

Todd A. Richardson is currently associated with Shipley Company LLC, where he continues to innovate in the field of materials science. His work has garnered attention for its practical applications and contributions to technology.

Collaborations

Richardson has collaborated with notable professionals in his field, including Egon Matijevic and George J. Cernigliaro. These collaborations have further enriched his research and development efforts.

Conclusion

Todd A. Richardson stands out as an influential inventor in the realm of silica pigments. His patents reflect a commitment to advancing technology and enhancing the functionality of materials used in various applications.