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NANTONG HENGSHENG FINE CHEMICAL CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    141,146
  • Filing trend
    ⇩ 100.0%
About

NANTONG HENGSHENG FINE CHEMICAL CO LTD has a total of 13 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry and basic materials chemistry are BASLE CHEMICAL WORKS, KALLE AND COMPANY AG and SHANGHAI ANOKY TEXTILE CHEMICALS CO LTD.

Patent filings in countries

World map showing NANTONG HENGSHENG FINE CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing NANTONG HENGSHENG FINE CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhou Changkai 9
#2 Tao Xuesong 8
#3 Tao Jianwei 5
#4 Chen Junhong 4
#5 Zhong Tiangui 4
#6 Shen Yongjia 4
#7 Shen Weicheng 3
#8 Guo Jiesheng 3
#9 Shi Jianmei 1
#10 Zhang Minglei 1

Latest patents

Publication Filing date Title
CN107793786A The method for preparing the azo compound of narrow particle diameter distribution
CN105778553A Improvement method for preparing C.I.vat blue 4
CN105001106A Method for preparing coumarin intermediate compound
CN104860859A Production method of ionylideneacetic acid
CN104860837A Production process of amino acid.alpha ketoglutaric acid
CN104893340A Novel technology for dispersing turquoise blue GL
CN104860834A Preparation method of disperse fluorescent dye intermediate 4-(N,N-diethylamino)salicylaldehyde
CN104744969A Preparation method for mixed-crystal type yellow disperse dye with controllable mixing ratio
CN104744282A Preparation process of insulin sensitizer
CN104649882A Intermediate preparation process of phosphodiesterase inhibitor
CN104628686A Preparation process of benzofuran with amide side chain
CN103834195A Method for improving dyeing rate and vividness in post-processing process of disperse dye
CN103709089A Method for preparing 3-(4'-chlorobutyl)-5-cyanoindole