Michael W Leonard

Title: The Innovative Contributions of Michael W. Leonard

Introduction

Michael W. Leonard, an accomplished inventor based in Collegeville, PA, has made significant strides in the field of polymer technology, holding a total of four patents. His work focuses on the development of multistage polymer particles that have practical applications in various industries, particularly in the formulation of pigmented coatings.

Latest Patents

Among his notable innovations is the patent for an "Aqueous dispersion of multistage polymer particles." This invention describes a composition that includes an aqueous dispersion containing both a first and a second phase of polymer particles. The first phase comprises structural units from carboxylic acid monomers combined with nonionic ethylenically unsaturated monomers, while the second phase utilizes polymers that include a high hydrophobic monomer and at least 80 percent styrene. This composition can be particularly valuable as opaque polymers in coatings, as they effectively reduce the load of titanium dioxide (TiO) while exhibiting impressive collapse resistance and lower dry bulk density.

Another significant patent by Leonard is the "Method for preparing an aqueous dispersion of multistage polymer particles." This patent outlines a process that enables the creation of the aforementioned polymer particles through emulsion polymerization. The procedure involves staged contact with a core of carboxylic acid functionalized polymer particles and various monomers, offering an innovative method to achieve desired polymer properties without the need for acrylonitrile.

Career Highlights

Michael W. Leonard's career includes serving in significant roles at esteemed companies such as Rohm and Haas Company and Dow Global Technologies LLC. His expertise in polymer chemistry and dedication to innovation have made him a prominent figure in his field, contributing to advancements that enhance the functionality of polymer materials.

Collaborations

Throughout his career, Leonard has collaborated with notable industry professionals, including James Keith Bardman and David Goodro Kelly. These partnerships have enriched his research endeavors and have played a crucial role in the successful development and implementation of his inventions.

Conclusion

Michael W. Leonard's contributions to the field of polymer technology are marked by his innovative patents and collaborative spirit. His work on multistage polymer particles showcases the potential for advancements in coating formulations, benefiting various industries through improved performance characteristics. As his career progresses, Leonard continues to be a driving force in the world of polymer innovation.