Company Filing History:
Years Active: 2001
Title: The Innovative Contributions of Lois Anne Short Ellis
Introduction
Lois Anne Short Ellis is a notable inventor based in Erie County, NY (US). She has made significant contributions to the field of chemical engineering, particularly in the preparation of fluorine-containing hydrohalocarbons. Her work has implications for the production of environmentally friendly refrigerants.
Latest Patents
Lois Anne Short Ellis holds one patent titled "Process for the preparation of fluorine containing hydrohalocarbons." This invention relates to the preparation of 1-chloro-1,1,3,3,3-pentafluoropropane (HCFC-235fa), which is useful as an intermediate in the production of 1,1,1,3,3-pentafluoropropane (HFC-245fa). The process involves reacting HCFC-235fa with hydrogen in the presence of a reduction catalyst. The HCFC-235fa is prepared by reacting CCl,CHCCl with hydrogen fluoride in the presence of a fluorination catalyst, either in the liquid phase or the vapor phase.
Career Highlights
Lois has had a distinguished career, working at AlliedSignal Inc., where she has applied her expertise in chemical processes. Her innovative approach has led to advancements in the production of refrigerants that are less harmful to the environment.
Collaborations
Throughout her career, Lois has collaborated with notable colleagues, including Michael Van Der Puy and Richard E Eibeck. These collaborations have fostered a productive environment for innovation and development in her field.
Conclusion
Lois Anne Short Ellis exemplifies the spirit of innovation in the chemical engineering sector. Her contributions, particularly in the preparation of environmentally friendly hydrohalocarbons, highlight the importance of research and development in creating sustainable solutions.