Location History:
- Wallingford, CT (US) (1982 - 1988)
- Lake Jackson, TX (US) (1992 - 2002)
Company Filing History:
Years Active: 1982-2002
Title: **Innovations of Shenghong A. Dai: A Patent Trailblazer from Wallingford, CT**
Introduction
Shenghong A. Dai is a notable inventor based in Wallingford, Connecticut, with an impressive portfolio of 19 patents. His contributions to the field of chemical engineering, particularly in processes involving toluene diisocyanate and polycarbamates, have significantly advanced industrial applications.
Latest Patents
Dai's latest patents showcase his innovative approaches to recovering valuable chemicals from complex mixtures. One of his key patents details a process for recovering toluene diamine (TDA) from toluene diisocyanate distillation residues. This technique involves hydrolyzing the residues by mixing them with water and subjecting the mixture to a temperature range of 200-350 °C. The hydrolysis is aided by a base to maintain reactor pressure at a predetermined level, allowing nearly quantitative conversion of the residues to TDA that can be recycled. Additionally, he has developed processes related to polycarbamates which focus on their efficient preparation, characterized by their ability to be pyrolyzed under mild conditions with low by-product formation.
Career Highlights
Shenghong A. Dai has had a distinguished career, contributing his expertise to renowned organizations such as The Dow Chemical Company and The Upjohn Company. His work in these companies has provided a platform for the practical application of his inventive processes, leading to advancements in the chemical industry.
Collaborations
Throughout his career, he has collaborated with talented colleagues, including Philip W. Sherwood and Steven J. Grossman. These partnerships have fostered a collaborative environment for innovation and have been instrumental in the development of his patented processes.
Conclusion
Shenghong A. Dai exemplifies the spirit of innovation, with his extensive patent portfolio highlighting his commitment to improving chemical processes. His work not only enhances the efficiency of chemical recovery but also contributes to the sustainable practices in the industry. As an esteemed inventor, his ongoing contributions continue to pave the way for future advancements in chemical engineering.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.