Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9902700 | Method and system for preparing caprolactam | Yung-Shun Kung, Yao-Ching Tsai | 2018-02-27 |
| 9518024 | Method and system for preparing caprolactam | Yung-Shun Kung, Yao-Ching Tsai | 2016-12-13 |
| 9012679 | Method for continuously preparing carboxylic acid ester | Yung-Shun Kung, Yao-Ching Tsai | 2015-04-21 |
| 7785549 | Recycling system for hydroxylamine formation and oximation | Hsiu-Li Cheng, Shou-Li Luo | 2010-08-31 |
| 7671236 | Process for production of cyclohexanone oxime | Kai-Hung Haung, Hsiu-Li Cheng, Shou-Li Luo | 2010-03-02 |
| 6063958 | Method of recovering adipic acid and 6-hydroxycaproic acid from waste solution of alkali metal salts of organic acids coming from the process of cyclohexane oxidation | Kuang-Ruei Chen, Shu-Hui Chen | 2000-05-16 |