This inventor holds 4 USPTO granted patents and 3 EPO patents. Top assignee: Outotec (Finland) Oy. Active years: 2018-2021.
Location History:
- Wendouree, AU (2018 - 2019)
- Victoria, AU (2020 - 2021)
Company Filing History:
Years Active: 2018-2021
Title: John O'Callaghan: Innovator in Gold Recovery Technologies
Introduction
John O'Callaghan is a notable inventor based in Victoria, Australia. He has made significant contributions to the field of gold recovery, holding a total of 4 patents. His innovative methods focus on efficiently extracting gold and silver from various raw materials.
Latest Patents
O'Callaghan's latest patents include a "Method for recovering gold" and a "Process for recovering gold." The method involves leaching gold-bearing materials in a chloride-containing solution, ensuring a redox potential above 550 mV vs. Ag/AgCl. This process allows for the simultaneous contact of the leach solution with a re-sorptive material, facilitating the recovery of gold and optionally silver. The process for recovering gold also emphasizes the use of a chloride-containing leaching solution with a total concentration of halide ions of less than 120 g/L, enhancing the efficiency of gold extraction.
Career Highlights
John O'Callaghan is currently employed at Outotec (Finland) Oy, where he continues to develop and refine his innovative techniques in gold recovery. His work has positioned him as a key figure in the industry, contributing to advancements in sustainable mining practices.
Collaborations
O'Callaghan collaborates with talented professionals such as Mari Lundström and Timo Haakana, further enhancing the innovative capabilities of his team.
Conclusion
John O'Callaghan's contributions to gold recovery technologies demonstrate his commitment to innovation and sustainability in the mining industry. His patents reflect a deep understanding of the complexities involved in extracting precious metals, making him a valuable asset in his field.