Company Filing History:
14 out of 5,071 
1 out of 832,718 Years Active: 1976-1985
Title: Lewis E Drehman: Innovator in Catalytic Processes
Introduction
Lewis E Drehman is a notable inventor based in Bartlesville, OK (US). He has made significant contributions to the field of catalytic processes, holding a total of 15 patents. His work primarily focuses on the deposition of platinum and other platinum-group metals on catalyst supports, enhancing their efficiency and effectiveness.
Latest Patents
Drehman's latest patents include a dehydrogenation process that involves the deposition of platinum or other platinum-group metals on the surface of refractory catalyst support pellets. This innovative method utilizes an aqueous solution, such as hexammonium platinum tetrasulfite, to achieve a highly active catalyst with relatively small amounts of platinum-group metal positioned primarily at the surface. The resulting catalysts are as effective as those that are uniformly impregnated throughout the pellet body, yet they contain much larger amounts of platinum-group metal. Additionally, these catalysts can also incorporate rhenium, further enhancing their catalytic properties.
Career Highlights
Throughout his career, Lewis E Drehman has worked with prominent companies, including Phillips Petroleum Company. His expertise in catalytic processes has led to advancements that have had a lasting impact on the industry.
Collaborations
Drehman has collaborated with notable colleagues such as Floyd E Farha, Jr and Roger N McGinnis. Their combined efforts have contributed to the development of innovative catalytic technologies.
Conclusion
Lewis E Drehman is a distinguished inventor whose work in catalytic processes has paved the way for advancements in the field. His innovative patents and collaborations reflect his commitment to enhancing the efficiency of catalytic systems.
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