Location History:
- Tuscon, AZ (US) (1976)
- Tucson, AZ (US) (1980)
Company Filing History:
Years Active: 1976-1980
Title: Innovations of William Richard Stern
Introduction
William Richard Stern is a notable inventor based in Tucson, Arizona. He has made significant contributions to the field of materials recovery, particularly in the extraction of valuable metals. With a total of two patents to his name, Stern's work reflects a commitment to advancing industrial processes.
Latest Patents
Stern's latest patents include a process for recovering gallium and a method for recovering copper by cementation. The gallium recovery process involves leaching calcined clay with hydrochloric acid, followed by ion exchange to separate aluminum ions. The remaining solution is treated to reduce ferric ions to ferrous ions, allowing for the acidification and ultimate recovery of gallium. His second patent focuses on recovering copper using cementation, where copper-iron materials are utilized as part of the cementation scrap, effectively separating the two metals.
Career Highlights
Stern is currently associated with the Anaconda Company, where he applies his expertise in metal recovery processes. His innovative approaches have the potential to enhance efficiency and sustainability in metal extraction.
Collaborations
Stern has worked alongside notable colleagues such as Robert E. Sullivan and Bess L. Vance, contributing to a collaborative environment that fosters innovation.
Conclusion
William Richard Stern's contributions to the field of materials recovery through his patents demonstrate his innovative spirit and dedication to improving industrial processes. His work continues to influence the way valuable metals are extracted and recovered.