Carl H Lawhon

Title: Innovations by Carl H. Lawhon in Gelation-Resistant Alumina

Introduction

Carl H. Lawhon is an esteemed inventor residing in Benton, Arkansas, who has made significant contributions to the field of material science through his innovative work on gelation-resistant alumina. With a remarkable array of two patents to his name, Lawhon has developed technologies that enhance product shelf life and stability.

Latest Patents

Lawhon’s latest patents focus on a method of producing gelation-resistant alumina. This groundbreaking innovation involves grinding aluminum oxide of alpha-Al2O3 in the presence of 0.5 to 3.0 wt. % water, ideally executed in a sealed ball mill. The resulting dual-phase alumina particles boast an aluminum oxide inner core of alpha-Al2O3 and an aluminum oxide hydroxide outer phase of gamma-AlOOH. This unique structure allows for a nominal depth of about 5 to 100 nanometers on the inner core, leading to a surface area that can be up to 40% higher than standard alpha-Al2O3. The novel gelation-resistant alumina can be effectively dispersed in aqueous slurries with a solids content of 65 wt. % and higher, significantly extending the shelf life of the product.

Career Highlights

Carl H. Lawhon is affiliated with the Aluminum Company of America, where his innovative research and development efforts are shaping the future of materials used in various industrial applications. His focus on gelation-resistant processes has opened new avenues for enhancing product effectiveness and usability.

Collaborations

Throughout his career, Lawhon has collaborated with notable colleagues, including Edward M. Anderson and Neal Richard Dando. These partnerships have fostered an environment of innovation and support, facilitating the advancement of cutting-edge technologies in the field.

Conclusion

Carl H. Lawhon's contributions to gelation-resistant alumina exemplify the impact of innovation in materials science. His patents not only signify advancements in product stability but also underscore the importance of research and collaboration within the industry. As he continues his work at the Aluminum Company of America, Lawhon remains a pivotal figure in driving forward technological advancements in his field.