Yu, Chia-Huei
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yu, Chia-Huei.The latest application filed is for "environmental protection series of reactive dyestuffs and their use".
- Yu, Chia-Huei - Dongshan Township TW
- Yu; Chia-Huei - Iian TW
- Yu, Chia-Huei - Ilan TW
| Patent | Date |
|---|---|
| Environmental protection series of reactive dyestuffs and their use App 20050203286 - Chen, Hsiao-San ; et al. | 2005-09-15 |
| Monoazo reactive red dyestuff Grant 6,815,536 - Huang , et al. November 9, 2 | 2004-11-09 |
| Monoazo reactive red dyestuff App 20040087780 - Huang, Huei-Chin ; et al. | 2004-05-06 |
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