Company Filing History:
Years Active: 1976
Title: The Innovations of William H. Rieger
Introduction
William H. Rieger is a notable inventor based in Indianapolis, Indiana. He is recognized for his contributions to the field of chemistry, particularly in the production of pyridyl ketones. His innovative approach has led to advancements in chemical processes that are significant in various applications.
Latest Patents
William H. Rieger holds a patent for the production of pyridyl ketones. This process involves the air oxidation of substituted pyridines containing at least one lower alkyl group or aryl-methylene group. The reaction occurs in the liquid phase at elevated temperatures, typically around 200 degrees Celsius, and under pressure, approximately 400 psig. The method can be enhanced by using an inorganic oxidation catalyst, although some pyridines can react without one. The resulting reaction mixture is then fractionated to recover the pyridyl ketone and any unreacted starting material.
Career Highlights
Rieger has made significant strides in his career, particularly through his work at Reilly Tar and Chemical Corporation. His expertise in chemical processes has contributed to the company's reputation in the industry.
Collaborations
William H. Rieger has collaborated with Ernest W. Crowe, further enhancing the innovative work being done in their field.
Conclusion
William H. Rieger's contributions to the production of pyridyl ketones exemplify the impact of innovation in chemistry. His work continues to influence the industry and showcases the importance of inventive processes in scientific advancement.