Judy E Kiefer

Title: Innovations by Judy E Kiefer

Introduction

Judy E Kiefer is a notable inventor based in Kingsport, TN (US). She has made significant contributions to the field of chemical engineering, particularly in the purification of terephthalic acid. With a total of 2 patents, her work has had a considerable impact on industrial processes.

Latest Patents

Judy's latest patents focus on an improved process for the purification of crude terephthalic acid, which is produced by the oxidation of para-xylene. The first patent describes a method that involves contacting the crude terephthalic acid with an oxygen-containing gas at temperatures ranging from 190°C to 230°C and pressures between 1500 to 3600 kPa. This process utilizes a solvent comprising an alkanoic acid, preferably acetic acid, along with a novel catalyst system that includes cobalt, a bromine source, and pyridine. The second patent outlines a similar process but specifies a catalyst system that includes cobalt, a bromide compound, and samarium, with samarium being used at concentrations of about 0.005 to 500 ppm.

Career Highlights

Judy E Kiefer has been associated with Eastman Kodak Company, where she has applied her expertise in chemical processes. Her innovative approaches have contributed to advancements in the purification techniques used in the industry.

Collaborations

Throughout her career, Judy has collaborated with notable colleagues such as William V Phillips and Thomas Earl Woodruff. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Judy E Kiefer's contributions to the field of chemical engineering, particularly through her patents on terephthalic acid purification, highlight her role as a significant inventor. Her work continues to influence industrial practices and showcases the importance of innovation in chemical processes.