Company Filing History:
Years Active: 1976-1979
Title: The Innovations of John N Dew
Introduction
John N Dew is a notable inventor based in Ponca City, OK (US), recognized for his contributions to the field of hydrodesulfurization processes. With a total of four patents to his name, Dew has made significant advancements in the purification of coal gasification.
Latest Patents
Dew's latest patents include a hydrodesulfurization purification process for coal gasification. This method utilizes nickel molybdenum and cobalt molybdenum catalysts in large-scale sulfur hydrogenation reactors, effectively converting organic sulfur compounds to hydrogen sulfide in gas streams that contain substantial amounts of carbon monoxide, carbon dioxide, and hydrogen. Another significant patent is a method for activating a hydrodesulfurization catalyst. This method involves passing a gaseous stream comprising carbon oxides, hydrogen, and sulfur-containing compounds into contact with the catalyst at temperatures ranging from about 400°F to about 700°F. The process continues until the outlet gaseous stream has a sulfur content that is substantially equal to that of the inlet gaseous stream, with incremental temperature increases ensuring optimal performance.
Career Highlights
Throughout his career, John N Dew has worked with prominent companies such as Conoco Methanation Company and Continental Oil Company. His experience in these organizations has contributed to his expertise in the field of gas purification and catalysis.
Collaborations
Dew has collaborated with notable coworkers, including Eugene A Harlacher and Joseph A Kleinpeter, further enhancing his innovative work in hydrodesulfurization processes.
Conclusion
John N Dew's contributions to the field of hydrodesulfurization and gas purification highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving industrial processes and reducing environmental impact.