Donald H Ennis

Title: The Innovative Contributions of Donald H. Ennis

Introduction

Donald H. Ennis is a notable inventor based in Towanda, PA (US). He has made significant contributions to the field of chemistry, particularly in the production of ammonium metatungstate. With a total of 2 patents to his name, Ennis has demonstrated a commitment to innovation and scientific advancement.

Latest Patents

Ennis's latest patents focus on methods for producing crystalline ammonium metatungstate from ammonium paratungstate. One method involves heating ammonium paratungstate in a multiple hearth furnace at temperatures ranging from about 200°C to about 400°C. This process creates a uniformly heated ammonium paratungstate, which is then digested in water to form an aqueous ammonium metatungstate solution. The digestion process requires careful temperature control and pH management, ensuring optimal conditions for the formation of the desired solution. The resulting ammonium metatungstate solution is concentrated and crystallized, showcasing Ennis's expertise in chemical processes.

Career Highlights

Ennis is associated with GTE Products Corporation, where he has applied his innovative ideas to practical applications. His work has contributed to advancements in the production of chemical compounds, enhancing the efficiency and effectiveness of industrial processes.

Collaborations

Throughout his career, Ennis has collaborated with notable colleagues, including Carl W. Boyer and Tai K. Kim. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of innovative solutions.

Conclusion

Donald H. Ennis is a distinguished inventor whose work in the field of chemistry has led to significant advancements in the production of ammonium metatungstate. His contributions continue to impact the industry, reflecting his dedication to innovation and excellence.