Company Filing History:
Years Active: 1992-1995
Title: John E Buffum: Innovator in Ethylene Oxide Catalysts
Introduction
John E Buffum is a notable inventor based in Houston, TX (US). He has made significant contributions to the field of chemical engineering, particularly in the development of ethylene oxide catalysts. With a total of 2 patents to his name, Buffum's work has had a considerable impact on industrial processes.
Latest Patents
Buffum's latest patents include innovations in ethylene oxide catalysts. The first patent focuses on an ethylene oxide catalyst that contains silver and one or more alkali metal promoters. This catalyst is supported on a carrier with specific properties, including a crush strength of at least about 5 pounds and a settled packing density of at least about 30 pounds per cubic foot. The carrier comprises first and second alpha alumina components, with the first component having a median crystallite size ranging from about 0.4 to about 4 microns. The second component is generated in situ by a sol-gel process. Additionally, titania may be added to the carrier.
The second patent also relates to ethylene oxide catalysts, which contain silver, alkali metal promoters, and rhenium promoters. This catalyst is supported on a carrier that consists of at least 85 percent by weight of alpha alumina, along with specified percentages of alkaline earth metals, silicon, and zirconium oxides. The invention further details an ethylene oxide process utilizing the aforementioned catalyst.
Career Highlights
John E Buffum is currently employed at Shell Oil Company, where he continues to innovate in the field of chemical processes. His work has been instrumental in advancing the efficiency and effectiveness of ethylene oxide production.
Collaborations
Buffum has collaborated with notable colleagues, including Marek Matusz and Carolus M Mesters. These partnerships have contributed to the successful development of his patented technologies.
Conclusion
John E Buffum is a distinguished inventor whose work in ethylene oxide catalysts has made a significant impact on the chemical industry. His innovative patents and collaborations highlight his commitment to advancing chemical engineering.