Location History:
- Chesapeake, VA (US) (1976 - 1986)
- Suffolk, VA (US) (1994)
Company Filing History:
4 out of 29 
1 out of 1,194 
1 out of 832,812 Years Active: 1976-1994
Title: Exploring the Innovations of Leonard C. Ellis
Introduction
Leonard C. Ellis, an innovator based in Chesapeake, VA, has made significant contributions to the field of chemical manufacturing. With a total of six patents to his name, Ellis has focused on enhancing the efficiency and stability of chemical processes, particularly in the production of sodium dithionite.
Latest Patents
Ellis's latest patents showcase groundbreaking methods that improve the manufacturing and stability of chemical solutions. One notable invention is a method for re-using aqueous co-products from the manufacture of sodium dithionite. This innovative process involves the rapid evaporation of water from the reaction filtrate, enabling the reuse of a determinable quantity of the remaining water and alkali metal compounds in subsequent batch reactions.
Additionally, he developed stabilized dithionite solutions by incorporating guar and xanthan gums as additives. These gums significantly enhance the stability of sodium dithionite aqueous solutions when exposed to air, a key factor in vat dyeing of textiles and bleaching applications. The stability of these polymeric-containing solutions is reported to improve by more than 100-200%, providing substantial benefits to the textile industry.
Career Highlights
Throughout his career, Leonard C. Ellis has made substantial impacts while working with esteemed companies such as Virginia Chemicals Inc. and Hoechst Celanese Corporation. His expertise in chemical manufacturing has allowed him to develop innovative solutions that address common challenges in the industry.
Collaborations
Leonard's work has involved collaboration with notable colleagues, including Charles E. Winslow and Mearl A. Kise. These professional relationships have contributed to the development of his patents and the advancement of chemical manufacturing processes.
Conclusion
Leonard C. Ellis stands out as a significant figure in the realm of chemical innovations. His contributions, particularly in the field of sodium dithionite production and stabilization, demonstrate the importance of inventive thinking in enhancing manufacturing processes. As he continues to innovate, his work will undoubtedly inspire future advancements in the industry.