Howard J Davis

Title: Howard J Davis - Innovator in Polybenzimidazole Membranes

Introduction

Howard J Davis is a notable inventor based in Warren, NJ (US). He has made significant contributions to the field of chemical engineering, particularly in the development of advanced membrane technologies. His innovative work has led to the creation of a unique polybenzimidazole semipermeable membrane that has various applications in separation processes.

Latest Patents

Davis holds a patent for the "Chemical modification of polybenzimidazole semipermeable." This invention involves the chemical modification of a preformed polybenzimidazole semipermeable membrane, such as a film or hollow filament. The process includes cross-linking imidazole groups of the membrane using a strong polybasic acid or its acid chloride. The reaction occurs in a mild acid medium, which enhances the cross-linking reaction while reducing the basicity of the imidazole groups. The resulting cross-linked membrane exhibits improved toughness and service characteristics, making it suitable for use in separations from acid waste streams.

Career Highlights

Davis has dedicated his career to advancing membrane technology. His work has not only improved the durability of polybenzimidazole membranes but has also expanded their applicability in various separation processes, including reverse osmosis and ultrafiltration. His innovative approach has positioned him as a key figure in the field of chemical engineering.

Collaborations

Davis has collaborated with fellow inventor Norman W Thomas, contributing to the advancement of membrane technologies. Their combined expertise has led to significant developments in the field.

Conclusion

Howard J Davis is a pioneering inventor whose work in polybenzimidazole membranes has made a lasting impact on chemical engineering. His innovative patent demonstrates the potential for improved separation technologies in various industrial applications.