Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5891987 | Copolyamide composition with a high glass transition temperature | Chien-Shiun Liao, Wen-Jeng Lin, Li-Kuei Lin, Tien-San Lee, Szu-Yuan Chan | 1999-04-06 |
| 5760167 | Copolyamide composition with a high glass transition temperature and a low melting point | Chien-Shiun Liao, Wen-Jeng Lin, Li-Kuei Lin, Tien-San Lee, Szu-Yuan Chan | 1998-06-02 |
| 5623047 | Catalytic compositions for the preparation of poly(ethylene terephthalate) with improved color | Jong-Wu Chen, Yu-Shan Chao | 1997-04-22 |
| 5608032 | Catalytic compositions for the proparation of poly(ethylene terephthalate) with attenuated yellow color | Jong-Wu Chen, Yu-Shan Chao | 1997-03-04 |
| 5519108 | Catalytic compositions containing tetrabutyl titanate and a mixture of cocatalysts for the preparation of poly(butylene terephthalate) | Chien-Shiun Liao, Wen-Jeng Lin, Cheng-Wei Yeh, Yu-Shan Chao, Li LIN | 1996-05-21 |
| 5516879 | Catalytic compositions for the preparation of poly(butylene terephthalate) | Wen-Jeng Lin, Hsin-Herng Wang, Jian-Hong Chen | 1996-05-14 |
| 5298594 | Preparation of nylon 6 with alkali metal hypophosphite catalyst and organic phosphite catalyst | Gwo-Yang Chang, Jeng-Yue Wu, Mao-Song Lee | 1994-03-29 |
| 5298597 | Aqueous preparation of polyamide with catalyst mixture | Ching-Pei Chen, Jeng-Yue Wu, Mao-Song Lee | 1994-03-29 |
| 5298598 | Preparation of polyamide with mixture of phosphorus catalysts | Der-Tarng Su, Jeng-Yue Wu, Mao-Song Lee | 1994-03-29 |
| 5290747 | Nylon 6 catalyst system | Jeng-Yue Wu, Mao-Song Lee | 1994-03-01 |
| 5264406 | Catalyst system for polyamide and copolyamide | Wen-Jer Chen, Jeng-Yue Wu, Mao-Song Lee | 1993-11-23 |
| 5264541 | Nylon 6 synthesis with water, alkali metal hypophoshite catalyst and amine cocatalyst | Shyh-Yang Lee, Mao-Song Lee, Jeng-Yue Wu | 1993-11-23 |
| 5260246 | Catalyst system for nylon 6 synthesis | Mao-Song Lee, Jeng-Yue Wu | 1993-11-09 |
| 4780527 | Preparation of polyesters from terephthalic acid | Shen-Nan Tong, Mei-Sui Chen, Nien-Hsi Chang | 1988-10-25 |