Location History:
- Austin, TX (US) (1992 - 1993)
- Hsinchu, TW (1994 - 2000)
Company Filing History:
13 out of 276 
4 out of 34 
1 out of 9,172 
Years Active: 1992-2000
Title: Innovations by Yu-Hwa E Sheu in Chemical Engineering
Introduction
Yu-Hwa E Sheu, located in Austin, TX, is a prolific inventor with 19 patents to his name. His work primarily focuses on chemical engineering, particularly in processes involving purifications and extractions. His contributions have significantly impacted the industry, showcasing innovative methods that enhance efficiency and effectiveness.
Latest Patents
One of Yu-Hwa E Sheu's latest patents is titled "Isobutylene-assisted aqueous extraction of methanol from methyl tertiary butyl ether." This invention addresses the purification of an impure methyl tertiary butyl ether product that is contaminated with isobutylene, methanol, and water. The process utilizes continuous counter-current contact with water and an isobutylene fraction within a patented extraction zone. The result is a refined overhead raffinate, consisting of isobutylene, methyl tertiary butyl ether, and a minor amount of water, alongside an extract comprised of methanol, water, and trace amounts of methyl tertiary butyl ether. This method also includes separating the overhead raffinate into lighter and heavier distillation fractions, allowing for an efficient return of the isobutylene fraction back into the extraction process.
Career Highlights
Yu-Hwa E Sheu has had an esteemed career, having worked with notable companies such as Texaco Chemical Company and Texaco Chemical Inc. His innovative approaches and patents have made significant contributions to the chemical industry, focusing on enhancing product purity and extraction methodologies.
Collaborations
Throughout his career, Yu-Hwa E Sheu has collaborated with esteemed colleagues including William K. Culbreth III and David G. Pottratz. These collaborations have fostered a rigorous environment of innovation, leading to advancements in chemical engineering practices and patentable inventions.
Conclusion
In summary, Yu-Hwa E Sheu stands out as a remarkable inventor in the field of chemical engineering. His 19 patents, particularly in the area of isobutylene-assisted extraction, underscore his commitment to advancing industrial processes. His collaborations and career milestones reflect a dedication to enhancing efficiency and innovation in chemical applications. Yu-Hwa's contributions continue to pave the way for new advancements in the industry.