Donald M. Gardner is a notable inventor based in Springfield, MA (US), recognized for his significant contributions to the field of coating compositions and electrographic recording materials. With a total of seven patents to his name, Gardner has made a lasting impact on the industry through his innovative ideas and solutions.

Latest Patents

Among his latest patents, Gardner has developed coating compositions comprising allylic alcohol interpolymers. These compositions include intimate blends of a pigment and an interpolymer of monovinyl aromatic monomer, allylic alcohol, and optionally allylic ester. The weight ratio of pigment to interpolymer is strategically designed to be in the range of about 2:1 to about 10:1. These compositions are particularly useful for the preparation of electrographic recording materials. Another significant patent involves an electrographic recording material that consists of a conductive sheet support coated with an electrically insulating layer. This layer comprises an intimate blend of a polymeric binder and a specific range of inert finely divided pigment per 100 parts by weight of polymeric binder. The binder is a low molecular weight interpolymer that includes interpolymerized monovinyl aromatic monomer, a C3-C7 allylic alcohol, and optionally an ester of a C3-C7 allylic alcohol and a monovalent carboxylic acid.

Career Highlights

Gardner's career is marked by his association with Monsanto Company, where he has been able to apply his inventive skills to develop groundbreaking technologies. His work has not only advanced the company's objectives but has also contributed to the broader field of materials science.

Collaborations

Throughout his career, Gardner has collaborated with esteemed colleagues such as Irving Serlin and John F. Heaps. These partnerships have fostered an environment of innovation and creativity, leading to the development of several impactful patents.

Conclusion

Donald M. Gardner's contributions to the field of coating compositions and electrographic recording materials exemplify the spirit of innovation. His patents reflect a deep understanding of materials science and a commitment to advancing technology.