Company Filing History:
5 out of 260 
1 out of 832,880 Years Active: 2006-2023
Title: Innovations of Jinhua Chen in Chromatography
Introduction
Jinhua Chen is a notable inventor based in San Jose, CA, with a focus on advancements in chromatography. He holds a total of 6 patents, showcasing his contributions to the field through innovative solutions.
Latest Patents
One of his latest patents is titled "Anion exchange stationary phases based on a polyalkylpolyamine polymer layer." This invention involves an anion exchange system designed for separating various carbohydrates. It features a negatively charged substrate particle and a base polymer layer that includes a first plurality of quaternary amines. The polyalkylpolyamine polymer layer is covalently attached to the base condensation polymer layer, enhancing its functionality. Another significant patent is "Functionalized substrates with ion-exchange properties." This invention provides compositions useful as stationary phases for chromatographic applications, such as high-performance liquid chromatography (HPLC) and solid-phase extraction (SPE). The compositions consist of a porous solid support with covalently bound organic ion-exchange ligands, which incorporate at least one ion-exchange group. This innovative design allows for both anion-exchange and cation-exchange capabilities within the same stationary phase.
Career Highlights
Jinhua Chen has worked with prominent companies, including Dionex Corporation, where he contributed to the development of advanced chromatographic technologies. His work has significantly impacted the efficiency and effectiveness of separation processes in various applications.
Collaborations
Throughout his career, Jinhua has collaborated with notable professionals, including Christopher A. Pohl and Xiaodong Liu, enhancing the scope and impact of his inventions.
Conclusion
Jinhua Chen's innovative contributions to chromatography through his patents and collaborations have established him as a key figure in the field. His work continues to influence advancements in separation technologies, demonstrating the importance of innovation in scientific research.