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NANTONG DONGCHANG CHEMICAL IND CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    213,613
About

NANTONG DONGCHANG CHEMICAL IND CO LTD has a total of 16 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry and environmental technology are JIANGXI SYNERGY PHARMACEUTICAL CO LTD, SHANGHAI MODERN HASEN SHANGQIU PHARMACEUTICAL CO LTD and PALOMO COLL A L.

Patent filings in countries

World map showing NANTONG DONGCHANG CHEMICAL IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing NANTONG DONGCHANG CHEMICAL IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kunshan Tao 9
#2 Haijun Yu 7
#3 Jianming Yang 5
#4 Guojun Xu 5
#5 Jianhua Zhang 4
#6 Zhang Jiqian 4
#7 Qu Hongmei 3
#8 Tao Kunshan 3
#9 Zhang Jianhua 3
#10 Zou Xiaotian 3

Latest patents

Publication Filing date Title
CN105566053A Dihydro naphthacene and analogue thereof and synthetic method
CN105601514A Hexa-substituted benzene with symmetrical structure and synthesis method thereof
CN105646213A Preparation method of acrylic acid-4-chlorobutyl ester compounds
CN102643202A Production method of p-trifluoromethylaniline
CN102603470A Production method of 3,4-toluene dichloride
CN103254198A Urotropine production method
CN102531923A Method for producing 5-chloro-2-nitroaniline
CN102603569A Production method of 3,4-dichlorobenzonitrile
CN103254059A Liquid chloroacetic acid production method
CN102603530A Production method of fluoro-methyl propionlyacetae
CN102603468A Production method of p-chlorotoluene
CN102603537A Production method of 2,6-dimethylaniline
CN102603469A Production method of ortho-chlorotoluene
CN102603471A Production method of p-trifluoromethyl chlorobenzene
CN103254090A Production method of industrial grade glycine
CN102199101A Production method for ethyl glycinate hydrochloride