Company Filing History:
Years Active: 1986-1999
Title: Innovations of George C Chiang
Introduction
George C Chiang is a prominent inventor based in Wilmington, DE (US). He has made significant contributions to the field of chemistry, particularly in the development of processes for creating agricultural compounds. With a total of 12 patents to his name, Chiang's work has had a notable impact on the industry.
Latest Patents
Chiang's latest patents include a process for making oximes and their use in preparing cyclic urea fungicides. This advantageous process involves several steps, including the reaction of a compound with a nitrosating agent to produce a diazonium ion, which is then reacted with another compound in the presence of a copper salt catalyst. The end result is a purified product composition that is agriculturally suitable. Another significant patent involves a process for preparing sulfonylureas, which includes reacting a sulfonyl chloride with a cyanate salt and an amine base to form an isocyanate complex. This complex is subsequently reacted with an amino heterocycle to yield the sulfonylurea product.
Career Highlights
Chiang is currently employed at E.I. DuPont De Nemours and Company, where he continues to innovate and develop new chemical processes. His work has been instrumental in advancing agricultural chemistry and improving the efficacy of various compounds used in the industry.
Collaborations
Throughout his career, Chiang has collaborated with notable colleagues, including Charles D Adams and Greg A Bullock. These partnerships have fostered a collaborative environment that enhances the innovation process.
Conclusion
George C Chiang's contributions to the field of chemistry through his patents and innovative processes have made a significant impact on agricultural practices. His work continues to influence the industry and pave the way for future advancements.