Donald R Cushman

Title: The Innovative Contributions of Donald R. Cushman

Introduction

Donald R. Cushman is a notable inventor based in Wenonah, NJ (US), recognized for his contributions to the field of asphalt technology. With a total of 3 patents to his name, Cushman has made significant advancements that enhance the efficiency and effectiveness of asphalt applications in road construction.

Latest Patents

Cushman's latest patents include a method for the controlled deposition of asphalt emulsions. This innovative technique involves depositing asphalt from an emulsion onto an aggregate, which is crucial in road construction. Prior to the application of the asphalt emulsion, the aggregate is treated with water containing a minor amount of a coupling agent that has a charge opposite to that of the asphalt emulsion. Another significant patent by Cushman focuses on asphalt composition and its manufacture. This patent describes asphaltic compositions that consist of a major proportion of straight-run asphalt, along with minor proportions of a refractory aromatic residual fraction, ethylene-vinyl acetate copolymer, and terpenic resin.

Career Highlights

Cushman has built a successful career at Mobil Oil Corporation, where he has been able to apply his innovative ideas and technical expertise. His work has contributed to the development of more effective asphalt products, which are essential for modern infrastructure.

Collaborations

Throughout his career, Cushman has collaborated with esteemed colleagues such as Charles A. Pagen and John W. Schick. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the asphalt industry.

Conclusion

Donald R. Cushman’s contributions to asphalt technology through his patents and work at Mobil Oil Corporation highlight his role as an influential inventor in the field. His innovative methods and compositions continue to impact road construction practices today.