Hsien-Chyang Tsien

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
2-amino-5-nitrothiazole derived monoazo disperse dyes
- Patent number 5,652,344
- Issue date Jul 29, 1997
- Allied Industrial Corp., Ltd.
- Hsien-Chyang Tsien
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Disazo acid dyestuffs for polyamide fibers applicable in neutral so...
- Patent number 5,527,887
- Issue date Jun 18, 1996
- Allied Industrial Corp., Ltd.
- Hsien-Chyang Tsien
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...