Albert H Levesque

Title: Albert H. Levesque: Innovator in Chemical Processes

Introduction

Albert H. Levesque is a notable inventor based in Nashua, NH (US), recognized for his contributions to chemical processes. With a total of 3 patents, he has made significant advancements in the field of chemistry, particularly in the production and stabilization of various compounds.

Latest Patents

One of his latest patents is the "Preparation of tetramethylethylenediamine," which details a process for producing TMEDA in high yield. This process involves reducing 2,3-dimethyl-2,3-dinitrobutane with hydrogen in the presence of a chromium-promoted Raney cobalt catalyst. The method emphasizes the importance of controlling the feed rate of 2,3-dimethyl-2,3-dinitrobutane to avoid accumulation in the reaction medium. In a preferred embodiment, the resulting TMEDA is recovered by converting it to an amine salt through the sparging of carbon dioxide.

Another significant patent is the "Method of stabilizing nitriles," which focuses on stabilizing compounds such as iminodiacetonitrile (IDAN) and nitrilotriacetonitrile (NTAN). This method involves contacting the nitrile with a mixture of silica and alumina, zeolites, or glass, resulting in a stabilized nitrile product.

Career Highlights

Throughout his career, Albert has worked with prominent companies, including Hampshire Chemical Corporation and W.R. Grace & Co. His experience in these organizations has contributed to his expertise in chemical processes and innovation.

Collaborations

Albert has collaborated with notable coworkers such as Gerald J. O'Neill and Robert J. Bulka, further enhancing his work in the field of chemistry.

Conclusion

Albert H. Levesque's innovative work in chemical processes has led to valuable patents that contribute to advancements in the industry. His dedication to research and development continues to influence the field of chemistry.