Company Filing History:
1 out of 51,907 
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1 out of 608 Years Active: 2009-2019
Title: The Innovative Mind of Guohua Xiu
Introduction
Guohua Xiu, an accomplished inventor based in Shanghai, China, has made significant contributions to the fields of chemical engineering and materials science. With three patents to his name, Xiu's innovations focus on the recovery and purification processes of various chemical compounds, specifically targeting nitrous oxide and p,p-PPPBP.
Latest Patents
Xiu's most notable recent patents include:
1. **Process for Recovery and Purification of Nitrous Oxide** - This invention addresses the recovery and purification of nitrous oxide from gas streams containing nitrogen oxides. It employs a combination of unit operations, such as wet scrubbing, adsorption, liquefaction, and various distillation processes, to produce different grades of nitrous oxide.
2. **Process for Purifying PPPBP** - This patent discloses a method to decolorize 2-phenyl-3,3-bis(4-hydroxyphenyl)phthalimidine, commonly referred to as p,p-PPPBP. The process involves using activated carbon fibers to adsorb common impurities, resulting in a purified solution. Notably, these activated carbon fibers can be regenerated using a highly basic methanol solution.
Career Highlights
Guohua Xiu has garnered extensive experience working with reputable organizations, including General Electric Company and Versum Materials US, LLC. His tenure at these companies has provided him with a solid foundation in industrial research and development, further fueling his inventive spirit and dedication to innovation.
Collaborations
Throughout his career, Xiu has collaborated with notable peers in the industry, including Tong Sun and Zhongqi Xu. These partnerships have played a crucial role in advancing his research and expanding the impact of his inventions.
Conclusion
Guohua Xiu's innovative contributions to the chemical engineering sector exemplify the potential for advancements in recovery and purification technologies. With his patents showcasing novel methods to enhance chemical processes, Xiu continues to be a valuable figure in the pursuit of technological progress and environmental sustainability.