Don P Duncan is a notable inventor based in Mount Pleasant, SC (US). He has made significant contributions to the field of chemical engineering, particularly in the preparation of modified rosin esters. With a total of 3 patents to his name, Duncan's work has had a considerable impact on the industry.

Latest Patents

Duncan's latest patents include innovative methods for the preparation of modified rosin esters. One of his patents focuses on the use of phosphinic acid, also known as hypophosphorous acid, as a catalyst to accelerate the reaction of rosin with unsaturated dibasic acids. This process allows for the formation of a modified rosin that can be esterified with polyhydric alcohols, resulting in improved color, softening point, and viscosity. Another patent highlights the enhancement of rosin pentaerythritol ester preparation, where phosphinic acid is again utilized to improve the reaction rate of esterification without causing significant color degradation.

Career Highlights

Duncan is currently associated with Westvaco Corporation, where he continues to apply his expertise in chemical processes. His innovative approaches have contributed to advancements in the production of rosin esters, making them more efficient and effective for various applications.

Collaborations

Throughout his career, Duncan has collaborated with notable colleagues such as John H Thomas and Gary B Womack. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Don P Duncan's contributions to the field of rosin ester preparation exemplify his dedication to innovation and excellence. His patents reflect a commitment to improving chemical processes, which benefits the industry as a whole.