Company Filing History:
Years Active: 1979
Title: John P McDonald: Innovator in Cobalt and Nickel Recovery
Introduction
John P McDonald is a notable inventor based in Tucson, AZ (US). He has made significant contributions to the field of chemical engineering, particularly in the recovery of valuable metals from aqueous solutions. His innovative approach has led to advancements in the extraction processes of cobalt and nickel.
Latest Patents
John P McDonald holds a patent for a process titled "Separation and recovery of cobalt and nickel from aqueous solutions." This patent outlines a method for treating aqueous acidic solutions containing cobalt and nickel values using specific fluorinated β-diketones. The process allows for the preferential stripping of cobalt values from the loaded organic phase. Additionally, variations of the process include the preferential extraction of cobalt values, recovery of nickel from the raffinate, and a second stripping step to recover nickel from the loaded organic.
Career Highlights
John P McDonald is currently employed at Henkel Corporation, where he continues to apply his expertise in chemical processes. His work has contributed to the development of more efficient methods for metal recovery, which is crucial for various industrial applications.
Collaborations
One of his notable collaborators is Kenneth D MacKay, with whom he has worked on various projects related to metal recovery and extraction processes.
Conclusion
John P McDonald is a distinguished inventor whose work in the recovery of cobalt and nickel has made a significant impact in the field of chemical engineering. His innovative processes continue to influence the industry and promote sustainable practices in metal extraction.