This inventor holds 1 USPTO granted patent. Top assignees: China Petroleum & Chemical Corporation, Sinopec Research Institute of Petroleum Processing Co., Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 93 
1 out of 3 Years Active: 2026
Title: Zhangyan Yan and Advances in Hydrocracking
Introduction
Zhangyan Yan is an inventor based in Beijing, China. His work includes a patent for a hydrocracking process and system designed to convert gas oil feedstock into useful chemical products and specialty oils.
Latest Patents
Yan’s listed patent, “Hydrocracking Process and System,” describes a staged process for treating gas oil feedstock. The feedstock is mixed with hydrogen and reacted in a hydrotreating unit. The resulting effluent then enters a first hydrogenation cracking unit, where a catalyst produces a paraffin-rich light fraction and a cyclic-hydrocarbon-rich heavy fraction. The heavy fraction is further processed with hydrogen in a second hydrogenation cracking unit.
The process is designed to selectively convert feedstock according to its chain and ring structures. It can produce paraffin-rich chemical raw materials and naphthenic specialty oil rich in cyclic hydrocarbons. Yan is associated with 1 patent.
Career Highlights
Yan’s listed company affiliations include China Petroleum & Chemical Corporation and Sinopec Research Institute of Petroleum Processing Co., Ltd. His patent reflects work in petroleum processing and hydrocracking technology.
Collaborations
Yan’s listed coworkers include Zhihai Hu and Changyi Mo.
Conclusion
Zhangyan Yan’s patent presents a staged hydrocracking approach for selectively producing paraffin-rich chemical materials and cyclic-hydrocarbon-rich specialty oil from gas oil feedstock.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile