Company Filing History:
Years Active: 1976
Title: The Innovations of David E Spielvogel
Introduction
David E Spielvogel is a notable inventor based in Midland, MI (US). He has made significant contributions to the field of chemistry, particularly in the area of siloxane compounds. His work has led to advancements that are essential for various industrial applications.
Latest Patents
David E Spielvogel holds a patent for the "Interconversion of stereoisomeric cycloorganosiloxanes." This innovative process allows for the interconversion of stereoisomers of cycloorganosiloxanes without siloxane bond redistribution. The method involves reacting cyclic siloxanes with anhydrous zinc chloride, zinc bromide, ferric chloride, aluminum chloride, or aryl phosphonium chlorides in the presence of nitro compounds or aryl phosphate esters as solvents. A typical example of his work is the conversion of 2,6-trans-diphenylhexamethylcyclotetrasiloxane to the 2,6-cis-isomer by heating in 2-nitropropane solvent with anhydrous zinc chloride.
Career Highlights
David E Spielvogel is associated with Dow Corning Corporation, where he has applied his expertise in siloxane chemistry. His innovative approaches have contributed to the company's reputation as a leader in silicone technology. With a focus on practical applications, he has been instrumental in developing new methods that enhance product performance.
Collaborations
One of his notable coworkers is Cecil L Frye. Their collaboration has likely fostered an environment of innovation and creativity, leading to advancements in their respective fields.
Conclusion
David E Spielvogel's contributions to the field of chemistry, particularly through his patent on stereoisomeric cycloorganosiloxanes, highlight his role as an influential inventor. His work continues to impact the industry positively.