This inventor holds 2 USPTO granted patents. Top assignees: China Petroleum Chemical Corporation, Beijing Research Institute of Chemical Industry, Fushun Research Institute of Petroleum. Active years: 2008-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Beijing, CN (2008)
- Fushun, CN (2015)
Company Filing History:
2 out of 674 
1 out of 12 
1 out of 1 Years Active: 2008-2015
Title: Yanxia Zhang: Innovator in Hydrogenation Catalysts and Biodegradable Polymers
Introduction
Yanxia Zhang is a prominent inventor based in Fushun, China. She has made significant contributions to the field of chemical engineering, particularly in the development of hydrogenation catalysts and biodegradable polymers. With a total of 2 patents, her work has implications for both industrial applications and environmental sustainability.
Latest Patents
Yanxia Zhang's latest patents include innovative technologies in hydrogenation catalysts and biodegradable copolyesters. The first patent focuses on a hydrogenation catalyst that is utilized in the production of 1,4-butanediol through the hydrogenation of dialkyl maleate and/or dialkyl succinate. This catalyst comprises Cu—Al-A-B—O, where A includes elements such as Zn, Mo, and W, while B consists of Ba, Mn, Mg, Ti, Ce, and Zr. The preparation process involves a sequential precipitation method that enhances the catalyst's effectiveness.
The second patent pertains to a biodegradable linear random copolyester characterized by a high molecular weight and a narrow molecular weight distribution. This copolyester has a molecular weight ranging from 100,000 to 600,000 g/mol and a molecular weight distribution of 1.2 to 3. The synthesis process includes steps such as interesterification and/or esterification of various monomers, followed by prepolymerization under vacuum and the addition of specific catalyst components.
Career Highlights
Throughout her career, Yanxia Zhang has worked with notable organizations, including China Petroleum Chemical Corporation and Fushun Research Institute of Petroleum. Her experience in these institutions has allowed her to refine her expertise in chemical processes and catalysis.
Collaborations
Yanxia Zhang has collaborated with esteemed colleagues such as Shenghua Yuan and Hao Zhang. These partnerships have contributed to her innovative research and development efforts.
Conclusion
Yanxia Zhang's contributions to the fields of hydrogenation catalysts and biodegradable polymers highlight her role as a leading inventor. Her work not only advances industrial applications but also promotes environmental sustainability through innovative materials.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile