Roger Francis Graham Brown

Title: Roger Francis Graham Brown: Innovator in Solid Pigment Technologies

Introduction

Roger Francis Graham Brown is a notable inventor based in Lancashire, GB. He has made significant contributions to the field of solid pigment technologies, holding a total of 2 patents. His work focuses on improving the formulation and application of pigment concentrates and preparations.

Latest Patents

Brown's latest patents include innovative formulations that enhance the performance of solid pigments. One of his patents describes a solid pigment concentrate that comprises at least one pigment and a dispersant with a polyamine backbone. This concentrate is characterized by the inclusion of a non-ionic surface-active agent with polyoxyalkylene groups. The polyamine backbone can consist of polyalkylene imine building blocks, which contribute to the effectiveness of the pigment concentrate.

Another significant patent by Brown relates to a solid pigment preparation that includes a pigment and a dispersant resin. This preparation contains at least 35% by weight of pigment and a maximum of 65% by weight of dispersant resin. The dispersant resin features a polymer backbone produced through chain-reaction polymerization, which has pendent hydrophilic polyalkylene oxide side groups. The average particle sizes of the pigment particles within this preparation range from 50 nm to 5,000 nm, showcasing Brown's commitment to advancing pigment technology.

Career Highlights

Roger Brown is associated with Akzo Nobel Coatings International B.V., a leading company in the coatings industry. His work at Akzo Nobel has allowed him to develop and refine his innovative ideas in pigment technology, contributing to the company's reputation for quality and innovation.

Collaborations

Throughout his career, Brown has collaborated with notable colleagues, including Jamie MacLiver Roy and Hendrik Jan Willem Van Den Haak. These collaborations have fostered a creative environment that encourages the exchange of ideas and advancements in the field.

Conclusion

Roger Francis Graham Brown is a distinguished inventor whose work in solid pigment technologies has led to significant advancements in the industry. His patents reflect a deep understanding of pigment formulation and application, making him a valuable contributor to the field.