Yaohua Han

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Shijiazhuang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Cycloheptane derivative and preparation method and use thereof
- Patent number 9,493,704
- Issue date Nov 15, 2016
- Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd.
- Yaohua Han
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Liquid Crystal compound containing cyclobutyl group and difluoromet...
- Patent number 9,481,828
- Issue date Nov 1, 2016
- Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd.
- Guoliang Yun
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Liquid crystal compound
- Patent number 9,359,552
- Issue date Jun 7, 2016
- Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd.
- Guoliang Yun
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Liquid Crystal Compound Containing Cyclobutyl Group and Difluoromet...
- Publication number 20150284632
- Publication date Oct 8, 2015
- Guoliang Yun
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
CYCLOHEPTANE DERIVATIVE AND PREPARATION METHOD AND USE THEREOF
- Publication number 20150252261
- Publication date Sep 10, 2015
- SHIJIAZHUANG CHENGZHI YONGHUA DISPLAY MATERIALS CO., LTD
- Yaohua Han
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Liquid Crystal Compound
- Publication number 20150021520
- Publication date Jan 22, 2015
- Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd.
- Guoliang Yun
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...