Company Filing History:
Years Active: 2023-2025
Title: Bi Shi: Innovator in Eco-Friendly Leather Tanning Solutions
Introduction
Bi Shi is a notable inventor based in Chengdu, China, recognized for his contributions to eco-friendly leather tanning processes. With a total of 5 patents, he has developed innovative methods that significantly improve the environmental impact of leather production.
Latest Patents
One of Bi Shi's latest 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, enhancing the removal efficiency of chromium from wastewater. Another significant 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 not only stabilizes the TWS tanning agent but also improves the distribution of the TWLZ tanning agent within the hide, resulting in high-quality leather with excellent properties.
Career Highlights
Bi Shi has worked with prominent institutions such as Sichuan University and the Research Institute of Leather and Footwear Industry of Wenzhou. His work has focused on developing sustainable practices in the leather industry, addressing both environmental concerns and product quality.
Collaborations
Bi Shi has collaborated with notable colleagues, including Jianfei Zhou and Yanan Wang, who have contributed to his research and development efforts in the field of eco-friendly leather tanning.
Conclusion
Bi Shi's innovative approaches to leather tanning not only enhance product quality but also promote environmental sustainability. His patents reflect a commitment to improving industrial processes while addressing ecological challenges.
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.