Jeffrey R MacDonald

Title: **Innovative Contributions of Jeffrey R. MacDonald in Dental Cement and Adhesive Coatings**

Introduction

Jeffrey R. MacDonald, based in Pomona, CA, is a notable inventor with a passion for developing innovative solutions in dental and adhesive technologies. With a total of two patents to his name, his contributions have significantly impacted the fields of dental materials and surface coatings.

Latest Patents

MacDonald’s recent patents showcase his expertise and creativity. The first patent is for "Dental cement compositions," which describes a two-paste glass ionomer type dental cement system. This innovative system features two pastes that maintain a similar consistency. The first paste primarily consists of a suspension of inert fillers in a water solution of polyacrylic acid or its copolymers. The patent details various additives that enhance its functionality, such as filler suspending agents and agents affecting working and setting time. The second paste contains a particulate glass flux made of silicon and aluminum oxides, among other inorganic salts, suspended in a hydrophilic acrylic solution. This meticulous formulation aims to achieve the desired consistency for optimal dental applications.

The second patent, "Adhesive coatings curable by light," focuses on coatings designed to protect and restore polymeric materials. These coatings are particularly useful for addressing defects in objects made of polyacrylic, polystyrene, and polycarbonate resins. The adhesive compositions include blends with a substantial concentration of tetrahydrofurfuryl methacrylate and/or furfuryl methacrylate, making them valuable in various repair and modification contexts.

Career Highlights

Jeffrey R. MacDonald is employed at Scientific Pharmaceuticals, Inc., where he continues to foster innovation through dedicated research and development. His work at the company reflects his commitment to improving dental and adhesive technologies, striving to enhance the efficacy and durability of products in the market.

Collaborations

Throughout his career, MacDonald has collaborated with talented coworkers such as Jan A. Orlowski and David V. Butler. These partnerships have contributed to his success, showcasing the power of teamwork in driving advancements in technology and innovation.

Conclusion

Jeffrey R. MacDonald’s inventive spirit and contributions to dental cement compositions and adhesive coatings demonstrate his significant impact on the field. As he continues to work at Scientific Pharmaceuticals, Inc., the future holds promising advancements that will undoubtedly benefit various industries reliant on effective and innovative materials.