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NANTONG ZHENGYAN PIGMENT CHEMICAL CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    200,733
About

NANTONG ZHENGYAN PIGMENT CHEMICAL CO LTD has a total of 17 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 basic materials chemistry are TIANJIN DEKAI CHEMICAL CO LTD, FARBENFABRIKEN OF ELBERFELD COMPANY and SOCIETE FARBENFABRIKEN VORM FRIEDR BAYER & C.

Patent filings in countries

World map showing NANTONG ZHENGYAN PIGMENT CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing NANTONG ZHENGYAN PIGMENT CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Zhao Juexin 8
#2 Ren Aifen 5
#3 Yongheng He 4
#4 Xu Liqun 4
#5 Wu Haixia 4
#6 Jiaoxin Zhao 4
#7 Juexin Zhao 3
#8 Dai Yinhua 2
#9 Zhao Jiaoxin 2
#10 Guo Shouwu 2

Latest patents

Publication Filing date Title
CN106083660A A kind of preparation technology of 1 amino 4 bromo anthraquinone 2 sodium sulfonate
CN106084884A Pigment red 3 BL pigmentation processes technique
CN103923480A Preparation method of orange benzimidazolone azo pigment
CN103952003A Preparation method of yellow benzimidazolones azo pigment
CN103265822A Process for producing solvent yellow GR
CN103265821A High-covering power one-step production process of permanent bordeaux F5RK
CN103242673A Production process of solvent black B
CN103242679A Device for loading groups on surfaces of pigment particles and application of device
CN103241829A Method for degrading phenolic wastewater under catalysis of graphene quantum dot/ferroferric oxide composite
CN102304298A Pigment red 254 postprocessing technology
CN102321380A Method for preparing high-hiding variety paratonere 2BL of paratonere 177
CN102267916B Preparation process of 2-amino-4-tert-amyl-6-nitro-phenol
CN102391664A Preparation method of pigment orange 64
CN101823967A Synthesis process of 2,6-binitro-4-alkylphenol
CN101829570A Pretreatment process for catalyst copper powder in condensation process of pigment red 3BL
CN101830836A Method for manufacturing pigment red 3BL condensation intermediate
CN101831197A Production process for pigment red 254 variety HL with high covering power