The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 15, 2016
Filed:
Sep. 17, 2013
Applicant:
Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd., Shijiazhuang, Hebei, CN;
Inventors:
Yaohua Han, Shijiazhuang, CN;
Zhiguo Xia, Shijiazhuang, CN;
Ruimao Hua, Shijiazhuang, CN;
Zengjia Yang, Shijiazhuang, CN;
Kui Wang, Shijiazhuang, CN;
Hongfeng Li, Shijiazhuang, CN;
Jianli Zhang, Shijiazhuang, CN;
Assignee:
Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd., Shijiazhuang, CN;
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/30 (2006.01); C09K 19/20 (2006.01); C09K 19/32 (2006.01); C07C 43/29 (2006.01); C07C 43/247 (2006.01); C09K 19/02 (2006.01); C09K 19/04 (2006.01); C09K 19/34 (2006.01);
U.S. Cl.
CPC ...
C09K 19/3068 (2013.01); C07C 43/247 (2013.01); C07C 43/29 (2013.01); C09K 19/0208 (2013.01); C09K 19/20 (2013.01); C09K 19/30 (2013.01); C09K 19/3066 (2013.01); C09K 19/321 (2013.01); C07C 2101/14 (2013.01); C07C 2101/18 (2013.01); C09K 2019/0466 (2013.01); C09K 2019/301 (2013.01); C09K 2019/3004 (2013.01); C09K 2019/3009 (2013.01); C09K 2019/3016 (2013.01); C09K 2019/3019 (2013.01); C09K 2019/3021 (2013.01); C09K 2019/3025 (2013.01); C09K 2019/3027 (2013.01); C09K 2019/3037 (2013.01); C09K 2019/3077 (2013.01); C09K 2019/3096 (2013.01); C09K 2019/3422 (2013.01);
Abstract
A cycloheptane derivative as represented by formula (I), and preparation method and use thereof; the compound has photostability and thermostability, wide nematic phase and liquid crystalline state temperature range, and good low-temperature intersolubility, and particularly has low rotary viscosity γand good dielectric anisotropy (Δ∈>0).