Company Filing History:
2 out of 11 
2 out of 45 Years Active: 2015-2017
Title: **Yiming Han: A Pioneer in Ruthenium Recovery**
Introduction
Yiming Han is a notable inventor based in Wuhan, China, recognized for his contributions to the field of catalyst recovery. With a total of four patents to his name, he has developed innovative methods that enhance the efficiency of recovering valuable metals from spent catalysts, particularly ruthenium.
Latest Patents
Han's latest patents focus on advancing the extraction and preparation of ruthenium in various forms. One significant patent describes a comprehensive method for recovering ruthenium from spent ruthenium-based catalysts carried on aluminum oxide. This method processes the spent catalyst through several stages, including drying, calcining, grinding, and utilizing a fluidized bed reactor to obtain pure ruthenium metal. It also details procedures for oxidizing ruthenium into RuOgas and subsequently converting it into a solution for further processing.
Another important patent outlines a method for preparing solid ruthenium nitrosyl nitrate. This process involves drying and calcining the raw materials, grinding them into a powder, and treating them in a fluidized bed reactor to generate ruthenium metal. The innovative technique captures gaseous ruthenium tetroxide and processes it in multi-stage absorbers to produce the desired nitrosyl nitrate compound.
Career Highlights
Yiming Han's career includes significant tenure at prominent institutions, such as Sunshine Kaidi New Energy Group and Wuhan Kaidi Engineering Technology Research Institute. His work in these organizations has facilitated advancements in catalyst technology and metal recovery processes, further establishing him as a leader in this innovative space.
Collaborations
In his professional journey, Han has collaborated with other talented individuals, including Qianqian Liu and Dechen Song. Together, they have contributed to various projects that push the boundaries of what is possible in catalyst recovery and material processing.
Conclusion
Yiming Han stands out as an inventive force in the realm of ruthenium recovery, boasting a focus on innovation and efficiency. His patented methods not only reflect his expertise but also underline the importance of sustainable practices in metal recovery, making a significant impact in the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.