Charles H Foster

Title: Innovations and Contributions of Charles H. Foster in Polymer Chemistry

Introduction

Charles H. Foster, a prominent inventor based in Kingsport, TN, has made significant contributions to the field of polymer chemistry with a remarkable portfolio of 28 patents. His inventive spirit and dedication have led to advancements in latex polymer compositions, enhancing their performance and applicability in various industries.

Latest Patents

Foster's latest patents showcase his innovative approach to controlled crosslinking of latex polymers. One such patent involves protonated amines that offer latent crosslinking properties. This technology takes advantage of fast reactions between amine-reactive carbonyl groups and carbonyl-reactive amine nitrogens. By protonating the amines with a volatile acid, the rate of crosslinking is controlled. Once applied to a substrate, the volatile acid evaporates, allowing the desired crosslinking reaction to occur, resulting in a durable crosslinked coating.

Another of his significant innovations includes crosslinkers based on 2-acetylglutarate esters of polyols. This invention provides a range of useful crosslinkers for thermosetting coating compositions. The patented crosslinkers can be prepared using specified methods, illustrating Foster's adeptness in developing practical solutions for the coatings industry.

Career Highlights

Throughout his career, Charles H. Foster has been associated with notable companies, including Eastman Kodak Company and Eastman Chemical Company. His work in these organizations has propelled advancements in polymer technology, particularly in coating and adhesive applications. His expertise is reflected in the breadth of his patents, which address various challenges in polymer innovation.

Collaborations

Foster has collaborated with esteemed colleagues, including John C. Hubbs and Cyril Y. Bowers. These partnerships have fostered a collaborative environment for sharing knowledge and driving innovation within the field of polymer chemistry. Working alongside other talented professionals has allowed Foster to enhance his inventive output and contribute to groundbreaking advancements.

Conclusion

Charles H. Foster's extensive patent portfolio and collaborative efforts underscore his influence in the world of polymer chemistry. His innovative ideas regarding latex polymers and crosslinking technologies continue to impact various industries, showcasing the importance of inventors in driving technological progress. As a highly regarded figure in his field, Foster's work exemplifies the spirit of innovation and the vital role that inventors play in shaping the future.