This inventor holds 6 USPTO granted patents. Top assignees: Gte Products Corporation, Gte Sylvania Incorporated. Active years: 1977-1990.
Location History:
- New Albeny, PA (US) (1985)
- New Albany, PA (US) (1977 - 1990)
Company Filing History:
Years Active: 1977-1990
Title: John A Powers: Innovator in Tungsten and Molybdenum Recovery
Introduction
John A Powers is a notable inventor based in New Albany, PA (US). He has made significant contributions to the field of metal recovery, particularly focusing on tungsten and molybdenum. With a total of 6 patents to his name, Powers has developed innovative methods that enhance the efficiency of metal extraction processes.
Latest Patents
Powers' latest patents include methods for recovering tungsten and molybdenum from metal-cellulose materials. One method involves digesting the material in a mineral acid, such as hydrochloric or sulfuric acid, at elevated temperatures to form a digestion solid rich in tungsten. Another method focuses on extracting tungsten values from aqueous alkali metal tungstate solutions using an organic solution containing an amine extractant. This process improves the efficiency of tungsten extraction by utilizing specific stripping agents and conditions.
Career Highlights
Throughout his career, John A Powers has worked with prominent companies, including GTE Products Corporation and GTE Sylvania Incorporated. His work in these organizations has allowed him to refine his expertise in metal recovery and contribute to advancements in the field.
Collaborations
Powers has collaborated with notable colleagues, including James N Christini and Martin B MacInnis. These partnerships have fostered innovation and have been instrumental in the development of his patented processes.
Conclusion
John A Powers stands out as an influential inventor in the recovery of tungsten and molybdenum. His innovative methods and collaborative efforts have significantly impacted the field of metal extraction.
