This inventor holds 1 USPTO granted patent. Top assignee: Ciba-Geigy Corporation. Active years: 1990.
Company Filing History:
Years Active: 1990
Title: Wang Junkuan: Innovator in Alkyl-Substituted Phenols and Naphthols
Introduction
Wang Junkuan is a notable inventor based in Zurich, Switzerland. He has made significant contributions to the field of chemistry, particularly in the preparation of alkyl-substituted phenols and naphthols. His innovative processes have implications for various industries, including pharmaceuticals and plastics.
Latest Patents
Wang Junkuan holds a patent for a process that involves the preparation of alkyl-substituted phenols or naphthols. This process entails oxidizing the corresponding dialkylbenzenes or dialkylnaphthalenes at elevated temperatures, specifically between 70°C to 130°C. The method utilizes oxygen or oxygen donors in the absence of solvents, along with an alkali metal salt or alkaline earth metal salt of an organic carboxylic acid containing 5 to 14 carbon atoms. The result is the formation of valuable 2,6-dialkylnaphthalene or 1,4-dialkylphenyl monohydroperoxides, which can be hydrolyzed to yield pure and easily isolatable products. These products serve as important precursors and intermediates for dyes, plastics, and pharmaceuticals.
Career Highlights
Wang Junkuan is associated with Ciba-Geigy Corporation, where he has been able to apply his expertise in chemical processes. His work has led to advancements in the production of essential chemical compounds that are widely used in various applications.
Collaborations
Wang has collaborated with notable colleagues, including Martin Clausen and Paul Rys. These partnerships have contributed to the development and refinement of his innovative processes.
Conclusion
Wang Junkuan's contributions to the field of chemistry, particularly through his patented processes, highlight his role as an influential inventor. His work not only advances scientific knowledge but also provides valuable solutions for industries reliant on chemical compounds.