Company Filing History:
Years Active: 2023-2025
Title: Innovations by Jianfei Zhou in Leather Tanning Processes
Introduction
Jianfei Zhou is a notable inventor based in Chengdu, China, recognized for his contributions to the field of leather tanning. With a total of 4 patents, he has developed innovative methods that enhance the efficiency and environmental sustainability of leather production.
Latest Patents
One of Jianfei Zhou's significant patents is a method for chromium removal from post-tanning wastewater. This method involves mixing pretreated post-tanning wastewater with an induction reagent to facilitate an induction reaction. Following this, the pH of the resulting mixture is adjusted to above 7.0 for precipitation. The induction reagent, which includes a soluble metal salt, converts neutral chromium complexes into cationic chromium complexes, thereby improving the removal efficiency of chromium from wastewater.
Another notable patent is the chrome-free tanning process of ecological leather. This process utilizes a ternary tanning system comprising TWS, sodium lignosulfonate, and TWLZ. The addition of sodium lignosulfonate enhances the fixation of the TWS tanning agent, preventing detanning at low pH levels. This innovative approach results in leather that is uniformly tanned, possesses a high isoelectric point, and exhibits excellent softness, making it suitable for a wide range of applications.
Career Highlights
Jianfei Zhou has worked with prominent institutions such as Sichuan University and the Research Institute of Leather and Footwear Industry of Wenzhou. His work in these organizations has significantly contributed to advancements in leather technology and environmental sustainability.
Collaborations
Jianfei Zhou has collaborated with notable colleagues, including Bi Shi and Yanan Wang, to further his research and development efforts in the leather industry.
Conclusion
Jianfei Zhou's innovative patents and contributions to the leather tanning industry highlight his commitment to improving environmental practices and product quality. His work continues to influence the field and pave the way for more sustainable leather production methods.
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.