Company Filing History:
6 out of 76 
3 out of 31 
1 out of 1 Years Active: 1976-1988
Title: The Innovative Contributions of William Kirch
Introduction
William Kirch is a notable inventor based in Clinton, Iowa, who has made significant contributions to the field of catalysis and polymerization. With a total of 11 patents to his name, Kirch has developed innovative methods and materials that have advanced industrial processes.
Latest Patents
Among his latest patents is the invention of zirconia-titania-silica tergels and their use as catalyst supports. This method involves preparing a high pore volume, high surface area zirconia-titania-silica tergel, which is useful as an olefin polymerization or copolymerization catalyst support. The process includes coprecipitating hydrous zirconia, hydrous titania, and hydrous silica, followed by aging and washing the resulting hydrotergel. The water is then removed, and the xerotergel may be calcined. This innovation allows for the production of resins with predetermined properties, such as high melt index and broad molecular weight distribution.
Another significant patent by Kirch is a method of polymerizing olefins. This method involves contacting an olefin or a mixture of olefins with a catalyst prepared using large pore volume zirconia-silica catalyst supports. The supports are created by reacting a zirconium compound with a silicon compound in an aqueous solution, followed by aging and washing to remove soluble by-products. The resulting hydrocogel is then processed to produce a xerocogel, which is essential for effective olefin polymerization.
Career Highlights
Throughout his career, Kirch has worked with prominent companies such as Chemplex Company and National Petro Chemicals Corporation. His work in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in chemical engineering and materials science.
Collaborations
Kirch has collaborated with notable professionals in his field, including Jerome H. Krekeler and Henri A. Aboutboul. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
William Kirch's contributions to the field of catalysis and polymerization through his innovative patents demonstrate his significant role as an inventor. His work continues to influence the industry and pave the way for future advancements in chemical processes.