Company Filing History:
14 out of 343 
5 out of 1,678 
1 out of 48 
Years Active: 1976-1994
Title: The Innovations of Helmut Knorre: A Leader in Precious Metals Leaching
Introduction: Helmut Knorre, based in Seligenstadt, Germany, is an accomplished inventor known for his significant contributions in the field of precious metals extraction. With a remarkable portfolio of 22 patents, Knorre has developed processes that enhance the efficiency and effectiveness of leaching gold and silver, demonstrating his expertise and innovation in the mining industry.
Latest Patents: Among Knorre's most notable patents is a revolutionary process for leaching gold and silver from ores or ore concentrates using an aqueous alkaline cyanide solution combined with hydrogen peroxide. This innovative method controls the addition of hydrogen peroxide through the measurement of the oxygen concentration in the leaching solution, allowing for a precise regulation of 2 to 20 mg O.sub.2 per liter, with a preference for 7 to 13 mg O.sub.2. The use of 0.5 to 5% by weight hydrogen peroxide solutions results in an increased gold yield and a shortened leaching time, showcasing the efficacy of this method.
Another significant patent outlines a process for leaching precious metals that employs a cyanide leaching solution along with hydrogen peroxide while maintaining optimal oxygen concentrations. This patent emphasizes the use of decomposition catalysts, such as manganese compounds, ensuring an efficient leaching process. By separating cyano-complexes during leaching and utilizing activated charcoal, Knorre’s innovation reduces the consumption of hydrogen peroxide and potentially cyanide while maximizing gold yield.
Career Highlights: Over the course of his career, Helmut Knorre has made substantial advancements in the field of leaching processes. His tenure at notable companies such as Deutsche Gold- und Silber-Scheideanstalt Vormals Roessler and Degussa Aktiengesellschaft provided him with a robust foundation to develop his innovative technologies. These experiences have contributed greatly to his extensive knowledge and expertise in precious metal extraction.
Collaborations: Throughout his career, Knorre has collaborated with esteemed professionals, including Joachim Fischer and Gerhard Pohl. These collaborations have not only enriched his inventions but also broadened the impact of his technological advancements in the industry.
Conclusion: Helmut Knorre stands out as a prominent figure in the realm of innovations for precious metal leaching. His patented processes reflect a dedication to improving efficiency and maximizing yields in metal extraction. With 22 patents to his name, Knorre continues to pave the way for advancements in the field, influencing future innovations in mining and metallurgy.
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.