This inventor holds 1 USPTO granted patent. Top assignee: Stahl International B.v.. Active years: 2026.
Company Filing History:
Years Active: 2026
Title: Guoqiang Qiang: Innovator in Leather Waterproofing Technology
Introduction
Guoqiang Qiang is a notable inventor based in Shanghai, China. He has made significant contributions to the field of leather treatment, particularly in waterproofing technologies. His innovative approach has led to the development of a unique composition that enhances the water resistance of leather products.
Latest Patents
Guoqiang Qiang holds a patent for a composition and process for waterproofing leather. This invention involves a novel formulation that includes a carboxyl-functional polysiloxane or an epoxide-functional polysiloxane combined with a polymer dispersion. The polymer dispersion contains 2 to 35 weight % of carboxylic groups, preferably a polyacrylate dispersion. This innovative composition ensures that leather achieves good water resistance according to ISO DIN EN ISO 5403-2 and DIN EN ISO 5403-1 standards.
Career Highlights
Guoqiang Qiang is associated with Stahl International B.V., a company known for its expertise in leather processing and treatment. His work at Stahl has allowed him to focus on developing advanced solutions for the leather industry, particularly in enhancing the durability and functionality of leather products.
Collaborations
Guoqiang has collaborated with notable colleagues such as Roberta Gamarino and Frédéric François Bert D'anvers. These collaborations have contributed to the advancement of innovative technologies in leather treatment.
Conclusion
Guoqiang Qiang's contributions to waterproofing leather have established him as a key figure in the industry. His innovative patent reflects a commitment to improving leather products' performance and durability.