Location History:
- Shandong Province, CN (2006)
- Shanghai, CN (2011)
- Cao County, CN (2007 - 2012)
- Hangzhou, CN (2013 - 2015)
Company Filing History:
5 out of 15 
2 out of 2 
1 out of 1 Years Active: 2006-2015
Title: **Ruibiao Yu: Innovator in Organic Chemistry**
Introduction
Ruibiao Yu, an accomplished inventor from Hangzhou, China, holds a remarkable portfolio of eight patents primarily focused on advancements in organic chemistry. His innovative work has made significant contributions to the preparation of complex chemical compounds, proving invaluable in various industrial applications.
Latest Patents
Among his latest patents, two standout inventions are particularly noteworthy. The first is titled **"Process for preparing alkylated p-phenylenediamines,"** which details a systematic method of reacting aniline and nitrobenzene with a complex base catalyst to produce 4-aminodiphenylamine intermediates. This process involves hydrogenating these intermediates in the presence of a hydrogenation catalyst and subsequently reductively alkylating them to obtain alkylated p-phenylenediamine.
The second patent, **"Process for preparing 4-aminodiphenylamine,"** offers a refined method for separating components of an organic composition that includes 4-aminodiphenylamine, aniline, azobenzene, and phenazine. This method utilizes a two-column rectification system to enhance the purity and yield of 4-aminodiphenylamine.
Career Highlights
Ruibiao Yu has had an impactful career, significantly bolstered by his association with reputable companies. He has worked at Jiangsu Sinorgchem Technology Co., Ltd. and Sinorgchem Company in Shandong, where he applied his expertise in developing innovative chemical processes and contributed to the advancement of the industry.
Collaborations
Throughout his career, Ruibiao has collaborated with talented coworkers, including Nongyue Wang and Xiaohui Mao. These partnerships have fostered an environment of creativity and problem-solving, further enhancing the innovations that stem from their combined efforts.
Conclusion
Ruibiao Yu stands out as a distinguished inventor in the field of organic chemistry, with a significant number of patents that showcase his innovative prowess. His work continues to inspire and push the boundaries of chemical processes, proving the importance of collaboration and creativity in driving scientific advancements.
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.