Donald Farrell McElheney

Title: The Innovations of Donald Farrell McElheney

Introduction

Donald Farrell McElheney is an accomplished inventor based in Louisville, KY (US). He is known for his significant contributions to the field of polyurethane polymers. His innovative work has led to the development of unique carboxyl-containing monomers that have practical applications in various industries.

Latest Patents

McElheney holds a patent for "Polyols containing grafted carboxyl groups and method of making same." This invention focuses on carboxyl-containing monomers that are the reaction product of a low molecular weight polyol compound and an acid anhydride, facilitated by the presence of 5-500 ppm phosphoric acid. The resulting carboxyl-containing monomer exhibits a viscosity ranging from 3,000 to 100,000 centipoise and has an oligomer content of less than about 30 mg KOH/g. The patent also outlines methods for producing these monomers, as well as prepolymers and urethane polymers that incorporate them.

Career Highlights

McElheney is associated with Arch Chemicals, Inc., where he has made significant strides in polymer chemistry. His work has not only advanced the understanding of polyurethane materials but has also contributed to the development of more efficient manufacturing processes.

Collaborations

Some of McElheney's notable coworkers include Indulis Gruzins and Robert C. Hire. Their collaborative efforts have further enhanced the research and development initiatives within their field.

Conclusion

Donald Farrell McElheney's innovative contributions to polymer chemistry, particularly in the area of carboxyl-containing monomers, highlight his role as a key inventor in the industry. His work continues to influence the development of advanced materials and manufacturing techniques.