This inventor holds 1 USPTO granted patent. Top assignee: Amax Incorporated. Active years: 1976.
Company Filing History:
Years Active: 1976
Title: Harold Koehler: Innovator in Catalytic Hydrogen Reduction
Introduction
Harold Koehler is a notable inventor based in Fort Madison, IA (US). He has made significant contributions to the field of metal precipitation through his innovative methods. His work focuses on improving the efficiency of metal recovery from aqueous solutions.
Latest Patents
Koehler holds a patent for a method titled "Catalytic hydrogen reduction of metals from solutions." This patent describes an improved technique for efficiently precipitating metal powders, specifically nickel, cobalt, and copper, from aqueous solutions. The method utilizes sulfur-free hydrogen at elevated pressure and temperature, enhancing the process by incorporating a small but effective amount of a catalyst. This catalyst consists of an alkali metal or ammonium salt of a copolymer of maleic acid anhydride and an unsaturated branched chain aliphatic olefinic hydrocarbon containing 4 to 10 carbon atoms.
Career Highlights
Throughout his career, Koehler has been associated with Amax Incorporated, where he has applied his expertise in metal recovery processes. His innovative approach has contributed to advancements in the field, showcasing his commitment to improving industrial methods.
Collaborations
Koehler has worked alongside notable colleagues, including Eddie C Chou and Ranko P Crnojevich. Their collaborative efforts have furthered the development of innovative solutions in their respective fields.
Conclusion
Harold Koehler's contributions to the field of catalytic hydrogen reduction demonstrate his innovative spirit and dedication to improving metal recovery processes. His patent reflects a significant advancement in the efficient precipitation of metals, marking him as a key figure in this area of research.