David S Niswonger

Title: The Innovative Contributions of David S. Niswonger

Introduction

David S. Niswonger is a notable inventor based in Prospect, Kentucky, who has made significant contributions to the field of organosiloxane chemistry. With a total of 2 patents to his name, Niswonger has developed innovative processes that enhance the functionality and efficiency of organosilanes and polyorganosiloxanes.

Latest Patents

One of his latest patents is titled "Catalyzed Redistribution of Polyorganosiloxanes." This invention describes a catalyzed process for the redistribution of linear, chloride or hydroxy end-terminated polyorganosiloxanes or cyclic polyorganosiloxanes. Effective catalysts for this process include alumina, silica-alumina, activated carbon, zeolite, and acid clay. The catalyzed redistribution process can be integrated into a three-stage process, allowing for better control of the yield of cyclic polyorganosiloxanes.

Another significant patent by Niswonger is "Removal of Polyfunctional Silanes from Organosilanes." This process aims to treat organosilanes to reduce the content of more highly functional silanes. The method involves contacting a mixture of organosilane and more highly functional silanes with organosiloxanes and a catalyst that promotes the reaction between the silanes and organosiloxane. This results in the formation of more highly halogenated polyfunctional siloxanes, which can then be isolated from the mixture through conventional means such as distillation.

Career Highlights

David S. Niswonger is currently associated with Dow Corning Corporation, where he continues to innovate and contribute to advancements in organosiloxane technology. His work has been instrumental in developing processes that improve the efficiency and effectiveness of chemical treatments in various applications.

Collaborations

Throughout his career, Niswonger has collaborated with several talented individuals, including Roland L. Halm and Jodi A. Bourgoin. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

David S. Niswonger is a distinguished inventor whose work in organosiloxane chemistry has led to significant advancements in the field. His innovative patents and contributions to Dow Corning Corporation highlight his commitment to enhancing chemical processes and