This inventor holds 4 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 3 EPO patents. Top assignees: Rohm and Haas Company, University of California, Dow Global Technolgoies LLC. Active years: 1985-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 3,445 
3 out of 16,025 
2 out of 4,807 
Years Active: 1985-2025
Title: The Innovative Contributions of Clayton J Radke
Introduction
Clayton J Radke, an accomplished inventor based in El Cerrito, California, has made significant contributions to the field of pigment modification. With a portfolio of three patents, Radke's work addresses the challenges of water resistance in coatings, making a notable impact on industries reliant on such innovations.
Latest Patents
Radke's most recent patents include advancements in the modification of hydrophobic pigments. One notable invention is a composition that comprises an aqueous dispersion of metal oxide pigment particles coated with polymers containing structural units of alkyltrihydroxysilane or a salt thereof, alongside dialkyldihydroxysilane or a salt thereof. This invention offers enhanced hydrophobicity to pigment particles, allowing the formulation of coatings that are water-resistant while maintaining high pigment loadings without increasing viscosity.
Another significant patent involves an aqueous dispersion of hydrophobically modified pigment particles. This composition features stable aqueous dispersions of inorganic pigments that are covalently bonded with polysiloxane or silyl groups, combined with a polymeric anionic dispersant. The hydrophobically modified inorganic pigments showcase average particle sizes ranging from 200 nm to 10 µm, and the solids content can vary from 10 to 80 weight percent, based on the total weight of pigment particles and water. This invention significantly enhances water resistance in coating formulations.
Career Highlights
Throughout his career, Clayton J Radke has collaborated with prominent organizations such as Rohm and Haas Company and the University of California. His innovative work at these institutions has contributed to advancements in material science, specifically in the domain of pigment technology.
Collaborations
Radke has worked alongside notable colleagues, including James Charles Bohling and Alexander S Katz. These collaborations have played a pivotal role in refining his inventions and furthering research in hydrophobic coatings.
Conclusion
Clayton J Radke's work is a testament to the importance of innovation in materials science. His patents not only provide solutions to existing challenges in coating water resistance but also pave the way for future innovations. His contributions continue to inspire advancements in the field, marking him as a significant figure in the world of inventions and patentable technologies.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile