This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Wanhua Chemical Group Co., Ltd.. Active years: 2023.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2023
Title: Yanfeng Dong and Wastewater Treatment Innovation.
Introduction
Yanfeng Dong is an inventor associated with Shandong, China, and Wanhua Chemical Group Co., Ltd. His patent work addresses wastewater generated during the co-oxidation process for preparing propylene oxide.
Latest Patents
Dong is listed on 1 patent: “Method for treating production wastewater from the preparation of propylene oxide by co-oxidation.” The method concerns wastewater streams with different peroxide levels: a first portion containing 2,000 mg/L or more and a second portion containing 50 mg/L or less.
Career Highlights
Dong’s listed invention focuses on treating production wastewater from propylene oxide preparation. The patent’s description distinguishes wastewater portions by peroxide content, a key feature of the disclosed treatment method.
Collaborations
Dong’s listed coworkers include Zhenlong Fan and Fanxue Zeng. His patent is associated with Wanhua Chemical Group Co., Ltd.
Conclusion
Yanfeng Dong’s patent record highlights an industrial wastewater treatment method that addresses streams with substantially different peroxide concentrations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile