Company Filing History:
Years Active: 2012-2016
Title: Zhengfeng Zhang: Innovator in Methacrylic Acid and Photochromic Polymers
Introduction
Zhengfeng Zhang is a notable inventor based in Shanghai, China. He has made significant contributions to the field of chemical engineering, particularly in the development of highly pure, non-yellowing methacrylic acid and photochromic polymeric compositions. With a total of 2 patents, his work is essential for high-tech applications requiring long-term color stability.
Latest Patents
Zhengfeng Zhang's latest patents include a process for the preparation of highly pure, non-yellowing methacrylic acid. This invention focuses on a method that ensures the production of methacrylic acid necessary for applications that demand color stability in the presence of amines. The process involves several steps, including the condensation of a methacrylic acid-containing gas phase, separation of the acid from an aqueous solution, and treatment with an ion exchange resin.
Another significant patent is for preparing a photochromic polymeric composition. This invention describes a process that incorporates (meth)acrylamide compounds into the reaction mixture, resulting in a polymeric composition that can be used to create photochromic articles. The resulting composition exhibits a desired color profile, enhancing its utility in various applications.
Career Highlights
Zhengfeng Zhang has worked with prominent companies in the chemical industry, including Evonik Roehm GmbH. His experience in these organizations has allowed him to refine his expertise and contribute to innovative projects in polymer chemistry.
Collaborations
Throughout his career, Zhengfeng has collaborated with notable professionals such as Wentian Lan and Gerhard Koelbl. These partnerships have facilitated the exchange of ideas and advancements in their respective fields.
Conclusion
Zhengfeng Zhang's contributions to the field of chemical engineering, particularly in methacrylic acid and photochromic polymers, highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to developing solutions that meet the demands of high-tech applications.