Company Filing History:
6 out of 822 
4 out of 58 
2 out of 151 
Years Active: 1991-2006
Title: The Innovations of James S. Ritscher
Introduction
James S. Ritscher is a notable inventor based in Marietta, OH (US), recognized for his significant contributions to the field of chemical engineering. With a total of 17 patents to his name, Ritscher has made remarkable advancements in the synthesis of organohalosilanes and silicone copolymers.
Latest Patents
One of Ritscher's latest patents is focused on the Rochow-Müller direct synthesis using nanosized copper catalyst precursors. This innovative method allows for the direct synthesis of organohalosilanes with greater selectivity towards dialkyldihalosilane. By utilizing nanosized copper catalyst precursors, Ritscher's process achieves D/T values exceeding 10, and often greater than 15, with silicon conversions surpassing 80 wt. %. The use of nanosized copper catalysts also results in shorter induction times, enhancing the efficiency of the direct synthesis process. Another significant patent involves a continuous process for producing silicone copolymers. This method employs a series of stirred-tank reactors that feed into a plug flow reactor, ensuring that the crude product stream remains homogeneous and does not undergo phase separation during further reactions.
Career Highlights
Throughout his career, Ritscher has worked with prominent companies such as Union Carbide Chemicals & Plastics Technology Corporation and Osi Specialties, Inc. His experience in these organizations has contributed to his expertise in chemical processes and innovations.
Collaborations
Ritscher has collaborated with notable colleagues, including Thomas E. Childress and Scot M. Turner. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.
Conclusion
James S. Ritscher's contributions to the field of chemical engineering through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in the synthesis of organohalosilanes and silicone copolymers.