Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10875961 | Polycarbonate diol and thermoplastic polyurethane made from the same | June-Yen Chou, Hsing-Yun Wang, Chih-Jung Chen, Wei-Lun Hsieh | 2020-12-29 |
| 10344123 | Polycarbonate diol and thermoplastic polyurethane made from the same | June-Yen Chou, Hsing-Yun Wang, Chih-Jung Chen, Wei-Lun Hsieh | 2019-07-09 |
| 7265243 | Catalytic oxacylation vapor phase process | Shien-Chang Chen, Liang-An Hsu, Pi-Fwu Jang | 2007-09-04 |
| 6350883 | Method for preparing lactam | Shien-Chang Chen, Liang-An Hsu, Cheng-Lin Tsai, Joe Lin | 2002-02-26 |
| 6323347 | Catalyst for preparing lactone and a method for preparing lactone | Shien-Chang Chen, Liang-An Hsu, Cheng-Lin Tsai | 2001-11-27 |
| 6313262 | Method for preparing polyether polyol and copolymer thereof | Shien-Chang Chen, June-Yen Chou, Liang-An Hsu, Ming-Hui Chu, Chine Chung Huang +1 more | 2001-11-06 |
| 6303536 | Process of preparing catalyst for producing alkenyl acetates | Shien-Chang Chen, Yuh-Lih Jong, Pi-Fwu Jang | 2001-10-16 |
| 5916677 | Process for producing polyester fiber having improved dyeability, elongation and strength, and polyester fiber therefrom | Shien-Chang Chen, June-Yen Chou, Hsing-Yun Wang, Mao-Song Lee, Mei-Sui Chen +2 more | 1999-06-29 |
| 5917061 | Process for producing cyclic ethers by liquid phase reaction | Shien-Chang Chen, Cheng Chang Chu, June-Yen Chou, Ming-Hui Chu | 1999-06-29 |
| 5426250 | Process for preparing 1,4-butanediol | Shien-Chang Chen, Cheng Chang Chu, June-Yen Chou | 1995-06-20 |
| 5144062 | Process for producing methyl formate | Shien-Chang Chen, Wan-Jy Cheng, Fu-Juh Huang | 1992-09-01 |
| 4999177 | Process for the preparation of high purity carbon monoxide | Shien-Chang Chen, Wan-Jy Cheng, Fu-Juh Huang | 1991-03-12 |
| 4866179 | Process for the manufacture of pyridine in high yield and selectivity during a prolonged period of operation | Wan-Jy Cheng, Yuh-Lih Jong, Fu-Juh Huang | 1989-09-12 |