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:
Mar. 03, 2015
Filed:
Jan. 14, 2011
Xiaojun Peng, Liaoning, CN;
Tao Liu, Liaoning, CN;
Jinhe Wu, Liaoning, CN;
Rong Zhang, Liaoning, CN;
Jingyue Wang, Liaoning, CN;
Feng Wang, Guangdong, CN;
Shaolei LI, Guangdong, CN;
Jianzhou Zhang, Guangdong, CN;
Zhengru Yang, Guangdong, CN;
Xiaojun Peng, Liaoning, CN;
Tao Liu, Liaoning, CN;
Jinhe Wu, Liaoning, CN;
Rong Zhang, Liaoning, CN;
Jingyue Wang, Liaoning, CN;
Feng Wang, Guangdong, CN;
Shaolei Li, Guangdong, CN;
Jianzhou Zhang, Guangdong, CN;
Zhengru Yang, Guangdong, CN;
Zhuhai Ninestar Management Co., Ltd., Zhuhai, Guangdong, CN;
Dalian University of Technology, Dalian, Liaoning, CN;
Abstract
The present invention relates to a class of compounds of general formula (I) or their salts of general formula (II): In formula (I)-(II), the substituents (A)p and (SOH)n on the benzene ring are at the ortho, meta or para position, n is 0-2, and p is 0-3; M is selected from Li, Na, K, NHor organic ammonium salt NRRRR, where R, R, R, Rare the same or different H, Calkyl groups, cyclohexyl groups, CHCHOH, CH(CH)CHOH or benzyl groups; where p>0, A stands for the same or different groups selected from: H, CN, NO, NH, F, Cl, Br, Calkyl group, cyclohexyl group, phenyl group, benzyl group, phenoxy group, Calkoxy group, Calkylthio group, SOCH═CH, SOCHCHA, NRCORor NRSOR.