David M Hatfield

Title: David M Hatfield: Innovator in Polycarbonate Block Copolymers

Introduction

David M Hatfield is a notable inventor based in Midland, MI (US). He has made significant contributions to the field of polymer science, particularly in the development of amphiphilic block copolymers. With a total of 7 patents to his name, Hatfield's work has implications in various industries, including enhanced oil recovery.

Latest Patents

Hatfield's latest patents focus on polycarbonate block copolymers. These innovations pertain to amphiphilic block copolymers that consist of an aliphatic polycarbonate chain coupled to a hydrophilic polymer. The general formula for these amphiphilic polymers is A-L-B, where A- represents a polycarbonate or polyethercarbonate chain with approximately 3 to 500 repeating units, L is a linker moiety, and -B is a hydrophilic oligomer with about 4 to 200 repeating units. These copolymers are particularly useful as surfactants capable of emulsifying aqueous solutions and supercritical carbon dioxide. Additionally, they serve as additives in enhanced oil recovery methods.

Career Highlights

Throughout his career, David M Hatfield has worked with prominent companies such as Novomer, Inc. and Saudi Aramco Technologies Company. His expertise in polymer chemistry has allowed him to contribute to various innovative projects and advancements in the field.

Collaborations

Some of Hatfield's notable coworkers include Scott D Allen and John M Salladay. Their collaborative efforts have furthered research and development in polymer applications.

Conclusion

David M Hatfield's contributions to the field of polymer science, particularly through his patents on polycarbonate block copolymers, highlight his innovative spirit and dedication to advancing technology. His work continues to influence various industries and applications.