Keith Alan Cramer

Title: Innovations by Keith Alan Cramer

Introduction

Keith Alan Cramer is an accomplished inventor based in Whippany, NJ (US). He has made significant contributions to the field of solvent extraction systems, particularly in the modification of copper/iron selectivity. With a total of 2 patents to his name, Cramer continues to push the boundaries of innovation in his area of expertise.

Latest Patents

Cramer's latest patents focus on processes for improving copper/iron selectivity in solvent extraction circuits. One of his notable inventions involves contacting an acidic aqueous solution containing dissolved copper and iron ions with a solvent extraction composition that includes an orthohydroxyaryloxime, a selectivity modifier, and an equilibrium modifier. This innovative approach aims to decrease the copper:iron transfer ratio, enhancing the efficiency of the extraction process. Another patent presents a solvent extraction composition comprising orthohydroxyarylaldoximes and/or orthohydroxyarylketoximes, along with selectivity modifiers such as phosphinic and/or phosphonic acids, and their salts and esters. These advancements are crucial for improving the selectivity in copper solvent extraction systems.

Career Highlights

Cramer is currently associated with Cytec Technology Corporation, where he applies his expertise in solvent extraction technologies. His work has been instrumental in developing innovative solutions that address challenges in the extraction process.

Collaborations

Cramer has collaborated with notable colleagues, including Owen Stewart Tinkler and Peter Eric Tetlow. Their combined efforts contribute to the advancement of technologies in the field.

Conclusion

Keith Alan Cramer is a prominent inventor whose work in solvent extraction systems has led to significant advancements in the industry. His innovative patents reflect his commitment to improving processes and enhancing efficiency in copper/iron selectivity.