Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385183 | Method and integrated system for non-aqueous solvent medium (NASM) dyeing of multiple forms of synthetic, natural and blended textiles | Lei Yao, Alex Chan, John Kin-ming Leung, Jason Lap Hung Chan, Wendy Yu | 2025-08-12 |
| 12305023 | Cellulosic superabsorbent polymer from post-consumer textile waste | Lei Yao, Alex Chan, Mimi Hetti, Yang Liu, Hung Sirius Chan +3 more | 2025-05-20 |
| 12209358 | Method for preparing water repellent textile substrates and products thereof | Lei Yao, Alex Chan, Un Teng Lam, Hanrong Zhang, Ho Man Chan | 2025-01-28 |
| 12173440 | Textile separation methods | Lei Yao, Alex Chan, Un Teng Lam, Shi Gao | 2024-12-24 |
| 12129574 | Regenerated cellulose composite fiber and method of preparation thereof | Lei Yao, Alex Chan, Un Teng Lam, Yiu Sing Wong | 2024-10-29 |
| 11868018 | Electrochromic elements, devices and products, and methods for manufacturing and utilizing the same | Lei Yao, Yeung Yu Hui, Xinxin Huang, Yue Hui, Colin Xin Chen +1 more | 2024-01-09 |
| 11802370 | Method for decolorizing textiles | Lei Yao, Hok Chung Chan, Sai Lung Fung, Un Teng Lam, Lap Chan +1 more | 2023-10-31 |
| 11396114 | Method for separating and recycling a waste polyester-cotton textile by means of a hydrothermal reaction catalyzed by an organic acid | Lei Yao, Xiao Liao, Yang Liu, Kevin Cheuk, Alex Chan | 2022-07-26 |
| 11085148 | Methods and systems for decolorizing textile materials | Lei Yao, Alex Chan, Mimi Hetti, Yang Liu, Hung Sirius Chan +1 more | 2021-08-10 |
| 10458047 | System and method for recycling fibers from textiles waste | Milton Chan, Lei Yao, Kin-Ming Leung, Xiao Liao, Alex Chan +2 more | 2019-10-29 |