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NANTONG HUAFENG CHEMICAL CO

Overview
  • Total Patents
    31
  • GoodIP Patent Rank
    185,267
About

NANTONG HUAFENG CHEMICAL CO has a total of 31 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry and environmental technology are CHENGDU YILUKANG MEDICAL TECHNOLOGY & SERVICE CO LTD, ZHANGJIAGANG WEISHENG BIOLOG MEDICAL CO LTD and BIOFINE INC.

Patent filings in countries

World map showing NANTONG HUAFENG CHEMICAL COs patent filings in countries
# Country Total Patents
#1 China 31

Patent filings per year

Chart showing NANTONG HUAFENG CHEMICAL COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Defeng 25
#2 Zhu Xiaofei 17
#3 Wang Bingcai 17
#4 Zhang Yaobing 13
#5 Yu Jianjun 8
#6 Shi Fei 8
#7 Zhang Yancheng 6
#8 Xiaofei Zhu 5
#9 Zhang Yaobin 5
#10 Bingcai Wang 5

Latest patents

Publication Filing date Title
CN104086361A Preparation method of 2-chloro-5-iodobenzoic acid
CN104098522A Preparation method for 5-sulfydryl-1-phenyl tetrazole
CN104151254A Method for preparing 1,3-bicyclo hexyl barbituric acid
CN104098535A Preparation method for 4-(3-fluorine phenyl)-2,2-phenyl-5-(4-(methylmercapto-)phenyl) furan-3(2H)-ketone
CN104130180A Method for preparing N-vinyl carbazole
CN104086382A Method for preparing benzethonium chloride intermediate 1-(2-(2-chloroethoxy) ethoxy)-4-(2,4,4-trimethyl-pent-2-yl) benzene
CN104086378A Preparation method of 2-(4-benzyloxyphenyl) ethanol
CN103524445A Method for synthetic production of 1-methyl-5-aminotetrazole
CN103508969A Synthesis production method of high-purity 1H-tetrazole-5-acetic acid
CN103508970A Ethyl 1H-tetrazole-5-acetate production method
CN103508971A 1H-tetrazole-5-acetic acid one-step synthesis production method
CN103508972A 2-methyl-5-aminotetrazole synthesis production method
CN103351352A Novel synthetic method for 5-phenyl tetrazole
CN103285856A Anti-dehalogenation ruthenium-based catalyst for preparing halogenated phenylamine and preparation method thereof
CN103288720A High-pressure synthetic method of 2,6-diaminopyridine
CN103288703A Method for synthesizing intermediate benzene sulfonamide of type 2 diabetes mellitus drug glimepiride
CN103420891A Triphosgene method for synthesizing benzene sulphanilamide, intermediate of glimepiride, drug for Type ii Diabetes Mellitus
CN102993025A Synthetic method of dimethyl cyclohexanediamine aromatic ring
CN102993024A Method for producing N,N'-dimethyl cyclohexanediamine
CN102993089A Method for synthesizing aminopyridine