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SHANXI QINGSHAN CHEMICAL CO LTD

Overview
  • Total Patents
    38
  • GoodIP Patent Rank
    72,607
  • Filing trend
    ⇩ 100.0%
About

SHANXI QINGSHAN CHEMICAL CO LTD has a total of 38 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, organic fine chemistry and textiles and paper are ZHEJIANG RUNTU INST CO LTD, SICHUAN WELDON CHEMICALS CO LTD and UNOTEC SERVICES INTERNAT INC.

Patent filings in countries

World map showing SHANXI QINGSHAN CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 38

Patent filings per year

Chart showing SHANXI QINGSHAN CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ji Dongfeng 16
#2 Wang Zhenxiang 12
#3 Gao Fei 10
#4 Du Jiangfeng 8
#5 Jia Shuping 6
#6 Gan Hongyu 6
#7 Liu Ailing 5
#8 Xue Hongbo 5
#9 Wang Gang 5
#10 Han Wei 4

Latest patents

Publication Filing date Title
CN107956104A A kind of fluorescent whitening agent composition for cotton cloth
CN107724058A A kind of compositions of fluorescent whitening agents for pad dyeing
CN107746706A A kind of environment-friendly preparation method of fluorescent whitening agent
CN106587507A Treatment method for water-soluble fluorescent brightener production wastewater
CN106634013A Device for preparing toluylene bis(triazinyl) particular fluorescent whitening agent and preparation method thereof
CN106478536A A kind of preparation method of paper grade (stock) liquid fluorescent whitening agent
CN106349752A Stilbene bis triazine liquid whitener and preparation method thereof
CN105293839A Low-boiling point fraction treatment method for fluorescent brightener CBS wastewater
CN105482488A Liquid fluorescent whitener and preparation method thereof
CN105400229A Preparation method of liquid fluorescent whitening agent used for papermaking
CN105238099A Liquid fluorescent whitening agent for whitening soup and preparation method thereof
CN105256651A Fluorescent whitening agent dispersion liquid used for paper coating whitening and preparation method therefor
CN105063991A Fluorescent whitening agent for chinlon
CN105155344A Papermaking fluorescent whitening agent
CN105110537A DSD acid oxidation waste water treatment and resource recycling method
CN104232359A Stilbene bistriazine liquid whitening agent and preparation method thereof
CN104262999A Highly dispersive fluorescent brightener for whitening in printing and dyeing and preparation method thereof
CN104193065A Treatment method for wastewater containing fluorescent whitening agent
CN104262991A Method for semi-continuous production of fluorescent whitening agent
CN104263011A Stilbene triazine fluorescent whitening agent and preparation method thereof