Clarence D Chang

Title: Clarence D Chang: A Pioneer in Catalysis and Hydrocarbon Conversion Processes

Introduction:

Clarence D Chang, based in Princeton, NJ (US), is a prolific inventor and researcher in the field of catalysis and hydrocarbon conversion processes. With a remarkable portfolio comprising 206 patents, Chang has made significant contributions to the development of catalysts for hydroalkylation of aromatic hydrocarbons and zeolite catalysts for shape-selective hydrocarbon conversions. This article dives into Chang's latest patents, career highlights, notable collaborations, and his impressive impact on the industry.

Latest Patents:

Chang's recent patents demonstrate his expertise in developing catalysts with improved efficiency and stability. One notable invention is the Hydroalkylation of Aromatic Hydrocarbons. This patent discloses a novel process and catalyst for the hydroalkylation of aromatic hydrocarbons, such as benzene. Utilizing a catalyst composed of a first metal with hydrogenation activity and a crystalline inorganic oxide material, this innovation showcases Chang's ability to optimize reactions in hydrocarbon chemistry.

Another groundbreaking patent is focused on Zeolite Catalysts with Stabilized Hydrogenation-Dehydrogenation Function. This inventive zeolite catalyst, designed for shape-selective hydrocarbon conversion processes, incorporates a hydrogenation-dehydrogenation functional metal. Chang's unique approach includes the incorporation of an organosilicon compound under conversion conditions, using a progressive temperature gradient during the in situ selectivation procedure. This technique enhances the catalyst's stability and enables prolonged hydrocarbon conversion with minimal by-product formation.

Career Highlights:

Throughout his career, Chang has made significant contributions to notable companies in the oil and gas industry. He has actively collaborated with Mobil Oil Corporation (now ExxonMobil Oil Corporation), leading research and development efforts to develop cutting-edge catalyst technologies. His expertise and dedication have resulted in numerous breakthroughs in the field of hydrocarbon conversions.

Collaborations:

Chang's collaborative efforts have further accelerated innovation in the industry. His work with esteemed colleagues, such as Joseph N Miale and Jose G Santiesteban, has greatly influenced the development of advanced catalysts and catalytic processes. These collaborations have not only facilitated knowledge sharing within the scientific community but also played a vital role in advancing the efficiency and effectiveness of catalytic systems.

Conclusion:

Clarence D Chang's exceptional career as an inventor and researcher in catalysis and hydrocarbon conversion processes has garnered him recognition as a pioneer in the field. With a prolific portfolio of 206 patents, his contributions have revolutionized the development of catalysts, enabling enhanced hydrocarbon conversions with improved efficiency and reduced by-product formation. Chang's work with renowned companies and collaborations with esteemed colleagues further demonstrate his dedication to fostering innovation and advancing the boundaries of catalytic science.