Evelyn G. Su

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Nanjing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Use of long carbon chain quaternary ammonium salt phosphoric acid e...
- Patent number 8,293,219
- Issue date Oct 23, 2012
- Nanjing Huashi Chemical Co., Ltd
- Changguo Wang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Composition of menthol and menthyl lactate, its preparation method...
- Patent number 6,897,195
- Issue date May 24, 2005
- Nanjing Zhongshi Chemical Co.
- Evelyn G. Su
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
USE OF LONG CARBON CHAIN QUATERNARY AMMONIUM SALT PHOSPHORIC ACID E...
- Publication number 20100254931
- Publication date Oct 7, 2010
- NANJING ZHONGSHI CHEMICAL CO., LTD.
- Changguo Wang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Composition of menthol and menthyl lactate, its preparation method...
- Publication number 20040018954
- Publication date Jan 29, 2004
- Evelyn G. Su
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE