Company Filing History:
10 out of 87 
2 out of 492 
Years Active: 2005-2023
Title: Prakash B Joshi: Innovator in Rare Earth Element Recovery
Introduction
Prakash B Joshi is a notable inventor based in Andover, MA (US), recognized for his contributions to the field of rare earth element recovery. With a total of 10 patents to his name, he has made significant advancements in the separation and extraction of valuable materials from complex mixtures.
Latest Patents
One of his latest patents is a process for separating scandium from complex salt mixtures. This innovative method involves producing a scandium enriched solution from a feedstock, which is then extracted to create an organic phase. The organic phase is re-extracted to yield an aqueous phase containing scandium chloride, which is subsequently precipitated and calcinated to produce scandium oxide powder. Another significant patent focuses on the recovery of rare earth elements and compounds from coal ash. This process entails sorting coal ash into groups of unburned and burned carbon, followed by magnetic treatment to facilitate separation. The resulting portions are treated with mineral acid to form an aqueous solution that includes rare earth salts, which can then be separated for further use.
Career Highlights
Throughout his career, Prakash has worked with reputable companies such as Physical Sciences, Inc. and Alliant Techsystems Inc. His work has contributed to advancements in materials science and environmental sustainability.
Collaborations
Prakash has collaborated with notable individuals in his field, including B David Green and Alan H Gelb. These partnerships have fostered innovation and the development of new technologies.
Conclusion
Prakash B Joshi's work in the field of rare earth element recovery showcases his innovative spirit and dedication to advancing technology. His patents reflect a commitment to finding sustainable solutions for complex environmental challenges.