Xiaoyan LIU

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Tianjin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Chiral spiro-pyridylamidophosphine ligand compound, synthesis metho...
- Patent number 8,962,839
- Issue date Feb 24, 2015
- Zhejiang Jiuzhou Pharma Science & Technology Co., Ltd.
- Qilin Zhou
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of polishing copper wiring surfaces in ultra large scale int...
- Patent number 8,921,229
- Issue date Dec 30, 2014
- Yuling Liu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of cleaning copper material surfaces in ultra large scale in...
- Patent number 8,912,134
- Issue date Dec 16, 2014
- Hebei University of Technology
- Yuling Liu
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
CHIRAL SPIRO-PYRIDYLAMIDOPHOSPHINE LIGAND COMPOUND, SYNTHESIS METHO...
- Publication number 20130225822
- Publication date Aug 29, 2013
- Qilin Zhou
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD OF CLEANING COPPER MATERIAL SURFACES IN ULTRA LARGE SCALE IN...
- Publication number 20130123158
- Publication date May 16, 2013
- Hebei University of Technology
- Yuling LIU
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
METHOD OF PREVENTING OXIDATION OF MULTILAYER WIRINGS IN ULTRA LARGE...
- Publication number 20120321780
- Publication date Dec 20, 2012
- Yuling LIU
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD OF POLISHING COPPER WIRING SURFACES IN ULTRA LARGE SCALE INT...
- Publication number 20120315764
- Publication date Dec 13, 2012
- Yuling LIU
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...