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ZHEJIANG RUIHUA CHEMICAL CO LTD

Overview
  • Total Patents
    36
  • GoodIP Patent Rank
    56,175
  • Filing trend
    ⇩ 100.0%
About

ZHEJIANG RUIHUA CHEMICAL CO LTD has a total of 36 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, textiles and paper and organic fine chemistry are ZHEJIANG RUNTU CO LTD, HUBEI COLOR ROOT TECH CO LTD and YU XINGYING.

Patent filings in countries

World map showing ZHEJIANG RUIHUA CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 36

Patent filings per year

Chart showing ZHEJIANG RUIHUA CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Guoqi 29
#2 Liu Changjiang 27
#3 Lu Jun 25
#4 Tao Lili 12
#5 Zhang Mingxing 9
#6 Li Jiaqi 8
#7 Chen Feng 6
#8 Lian Zhangjie 5
#9 Fang Yanbo 5
#10 Tian Ping 5

Latest patents

Publication Filing date Title
CN111548644A Synthetic method of phthalocyanine blue dye
CN111440100A Red reactive dye compound, red reactive dye composition, and preparation method and application thereof
CN111548646A Red reactive dye composition and preparation method and application thereof
CN111334086A Maotai-red reactive dye composition and preparation method and application thereof
CN111017569A Automatic metering and conveying system and method for powder materials
CN110387143A A kind of Yellow active dye composition and its preparation method and application
CN110396306A A kind of azo reactive dye and preparation method thereof and purposes
CN108102423A A kind of Black reactive dye composition and its preparation method and application
CN106752076A A kind of blue active dye composition and its production and use
CN106752077A A kind of blue active dye composition and its production and use
CN106833017A A kind of blue active dye composition and its production and use
CN105602286A Black active dye composition and preparation method and application thereof
CN105694530A Orange reactive dye compound, orange reactive dye composition and preparation method and application thereof
CN105802278A Black reactive dye composition and preparation method and application thereof
CN105778562A Black active dye composition and preparation method and use thereof
CN105647238A Gray activated dye composition and preparation method as well as application thereof
CN105647237A Black activated dye composition and preparation method as well as application thereof
CN105778563A Black active dye composition and preparation method and use thereof
CN105778560A Red active dye composition and preparation method and use thereof
CN105778559A Black active dye composition and preparation method and use thereof