Stephen Robert Lester

Title: The Innovations of Stephen Robert Lester

Introduction

Stephen Robert Lester is a notable inventor based in Pittsburgh, PA. He holds a total of 8 patents, showcasing his significant contributions to the field of chemical engineering. His work primarily focuses on the production of chlorinated hydrocarbons, which has important applications in various industries.

Latest Patents

Lester's latest patents include a process for producing chlorinated hydrocarbons, specifically the preparation of pentachloropropanes from tetrachloropropanes. This process involves the use of a polyvalent antimony compound, including pentavalent antimony compounds like antimony pentachloride. Additionally, he has developed methods for preparing optionally chlorinated alkenes from chlorinated alkanes, utilizing ferric chloride and polyvalent antimony compounds. Another significant patent details processes for producing chlorinated hydrocarbons and methods for recovering polyvalent antimony catalysts from these processes.

Career Highlights

Throughout his career, Stephen Robert Lester has worked with several companies, including Axiall Ohio, Inc. and Eagle US 2 LLC. His experience in these organizations has allowed him to refine his expertise in chemical processes and innovations.

Collaborations

Lester has collaborated with notable coworkers such as Scott A. Sherwood and Clark S. Graybill, contributing to various projects and advancements in their field.

Conclusion

Stephen Robert Lester's contributions to the field of chemical engineering through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the production of chlorinated hydrocarbons and related processes.