Company Filing History:
1 out of 1 
1 out of 2 Years Active: 2015-2021
Title: Weidong Yang: Innovator in Waterless Dyeing Technology
Introduction
Weidong Yang is a notable inventor based in Qingdao, China. He has made significant contributions to the field of dyeing technology, particularly focusing on waterless methods that enhance efficiency and safety. With a total of 2 patents, Yang's innovations are paving the way for more sustainable practices in the textile industry.
Latest Patents
Yang's latest patents include a waterless dyeing device and method for bobbin yarn. This invention features a sophisticated design comprising a dye autoclave, a dyeing autoclave, and a recycle autoclave, all interconnected within a dyeing circulation system. The device is engineered to introduce CO2 into the dye autoclave, allowing for the gradual dissolution of dyes and their subsequent application to cone yarns. This method not only improves production efficiency but also ensures an even dyeing effect while maintaining high safety standards. Another significant patent is a method for modifying non-woven chitosan fabric, which involves a series of chemical processes to enhance the fabric's properties.
Career Highlights
Throughout his career, Weidong Yang has worked with prominent companies such as Qingdao Jifa New Material Co., Ltd. and Qingdao Jifa Group Co., Ltd. His experience in these organizations has contributed to his expertise in material science and dyeing technologies.
Collaborations
Yang has collaborated with notable colleagues, including Yuhua Huang and Hongjun Yi. Their combined efforts have further advanced the innovations in the field of dyeing technology.
Conclusion
Weidong Yang's contributions to waterless dyeing technology exemplify the potential for innovation in sustainable practices within the textile industry. His patents reflect a commitment to improving efficiency and safety in dyeing processes.