Company Filing History:
4 out of 10 
1 out of 1 Years Active: 2012-2025
Title: Innovations by Preston Carl Holloway
Introduction
Preston Carl Holloway is a notable inventor based in Edmonton, Canada. He has made significant contributions to the field of metallurgy and mineral processing, holding a total of five patents. His work primarily focuses on innovative processes for recovering valuable metals from various ores.
Latest Patents
Holloway's latest patents include a groundbreaking method for the co-processing of copper sulphide concentrate with nickel laterite ore. This process aims to recover nickel, cobalt, and copper through pressure oxidative leaching. The method involves controlling the sulphide concentrate and oxygen to produce sulphuric acid, which leaches the desired metals and precipitates impurities. Another significant patent involves an integrated pressure leaching and heap leaching process for recovering copper from sulphidic feed. This innovative approach utilizes pressure oxidation to create a liquid phase enriched in copper while managing impurities effectively.
Career Highlights
Throughout his career, Holloway has worked with prominent companies in the industry, including Sherritt International Corporation. His expertise in metallurgy has allowed him to develop processes that enhance metal recovery and reduce environmental impact.
Collaborations
Holloway has collaborated with esteemed professionals in his field, including Michael J Collins and Jan Tjeerd Smit. These partnerships have contributed to the advancement of his innovative processes and the successful implementation of his patents.
Conclusion
Preston Carl Holloway's contributions to the field of metallurgy through his innovative patents demonstrate his commitment to advancing metal recovery techniques. His work continues to influence the industry and pave the way for future innovations.