Company Filing History:
1 out of 15 
1 out of 1 Years Active: 2001-2002
Title: The Innovations of Hans Kofalck
Introduction
Hans Kofalck is a notable inventor based in Hattersheim, Germany. He has made significant contributions to the field of metallurgy, particularly in processes involving the treatment of ores containing recoverable metal values. With a total of 2 patents to his name, Kofalck's work has implications for both environmental sustainability and resource recovery.
Latest Patents
Kofalck's latest patents focus on innovative processes for treating ores that contain arsenic components. One of his patents describes a method for roasting ores with metal values, such as precious metals, to recover these values while converting arsenic into an insoluble form. This process involves the use of an additive, such as iron, and the injection of oxygen in a roaster, which can be a circulating fluid bed roaster. Additionally, he has developed a two-stage roasting process where volatilized arsenic is converted to an insoluble form in the gas phase after solids are removed. His other patent details the roasting of refractory gold ores in a fluidized bed at temperatures between 450 to 650 °C, utilizing added fuels like sulfur and pyrite to achieve low ignition temperatures.
Career Highlights
Throughout his career, Kofalck has worked with prominent companies in the mining and metallurgy sectors. He has been associated with Newmont USA Limited, Newmont Mining Corporation, and Newmont Gold Company. His experience in these organizations has allowed him to refine his expertise in ore treatment processes and contribute to advancements in the field.
Collaborations
Kofalck has collaborated with several professionals in his field, including Anthony L. Hannaford and Rene R. Fernandez. These collaborations have likely enriched his work and led to further innovations in ore processing techniques.
Conclusion
Hans Kofalck's contributions to the field of metallurgy through his innovative patents and career experiences highlight his role as a significant inventor. His work not only addresses the recovery of valuable metals but also emphasizes the importance of environmental considerations in industrial processes.