Location History:
- Fort Saskatchewan, CA (1986)
- St. Albert, CA (1994)
Company Filing History:
Years Active: 1986-1994
Title: Innovations by Derek E Kerfoot
Introduction
Derek E Kerfoot is a notable inventor based in St. Albert, Canada. He has made significant contributions to the field of metallurgy, particularly in the recovery of valuable metals from various materials. With a total of 2 patents, his work showcases innovative processes that enhance metal recovery efficiency.
Latest Patents
Derek's latest patents include two groundbreaking processes. The first patent, titled "Recovery of metal values from zinc plant residues," discloses a method for recovering zinc, lead, copper, and precious metals from zinc plant residue. This process involves leaching the residue with return zinc spent electrolyte, neutralizing residual acid, and reducing ferric iron in the solution. The method further includes flotation of the resulting slurry to separate unreacted zinc sulphide and treatment of flotation tailings to leach iron, zinc, and impurity elements. The second patent, "Recovery of cobalt and nickel from sulphidic material," outlines a process for recovering cobalt and nickel values from sulphidic materials containing iron. This involves roasting the material to produce a calcine and leaching it under specific conditions to yield a cobalt and nickel-containing solution.
Career Highlights
Throughout his career, Derek has worked with prominent companies such as Sherritt Gordon Mines Limited and Sherritt Gordon Limited. His experience in these organizations has allowed him to develop and refine his innovative processes, contributing to advancements in metal recovery techniques.
Collaborations
Derek has collaborated with notable professionals in his field, including Michael E Chalkley and Donald R Weir. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Derek E Kerfoot's contributions to the field of metallurgy through his innovative patents demonstrate his commitment to advancing metal recovery processes. His work not only enhances efficiency but also promotes sustainability in the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.