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PRESAFER QINGYUAN PHOSPHOR CHEMICAL COMPANY LTD

Overview
  • Total Patents
    29
  • GoodIP Patent Rank
    101,869
  • Filing trend
    ⇩ 25.0%
About

PRESAFER QINGYUAN PHOSPHOR CHEMICAL COMPANY LTD has a total of 29 patent applications. It decreased the IP activity by 25.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets macromolecular chemistry and polymers, basic materials chemistry and organic fine chemistry are TAICANG SHUNRUCHENG BUILDING MATERIALS CO LTD, WENG XIAOLIN and HEFEI ANLI POWER ENG CO LTD.

Patent filings in countries

World map showing PRESAFER QINGYUAN PHOSPHOR CHEMICAL COMPANY LTDs patent filings in countries
# Country Total Patents
#1 China 29

Patent filings per year

Chart showing PRESAFER QINGYUAN PHOSPHOR CHEMICAL COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhou Kan 29
#2 Chen Zhizhao 10
#3 Liu Huaxia 8
#4 Zhai Yongqiang 7
#5 Li Zhangwu 7
#6 Xie Sizheng 6
#7 Zhu Hongfang 5
#8 Chen Mincong 4
#9 Zhang Xiuqin 2
#10 Liu Jun 2

Latest patents

Publication Filing date Title
CN111004445A Low-warpage UL94-5 VA-grade halogen-free flame-retardant polypropylene material and preparation method thereof
CN111057316A Non-sticking ammonium polyphosphate flame-retardant modified polypropylene material and preparation method thereof
CN109879909A A kind of preparation method of big partial size dialkylphosphinic salts
CN110003268A A kind of preparation method of dialkylphosphinic salts
CN109776951A A kind of heat-resistance type fire retardant combination and its preparation method and application for making polypropylene reach V2 fire-retardant rank
CN109734959A A kind of heat-resistance type radical initiator and its preparation method and application
CN108641510A A kind of aqueous fire-proof coating and preparation method thereof
CN108117693A A kind of open air high voltage electric elements halogen-free anti-flaming polypropylene material and preparation method thereof
CN108250573A A kind of halogen-free environment-friendly flame-proof polypropylene material of heat oxygen aging resistance and preparation method thereof
CN108250572A One kind can cross the UL94-5VA high fire-retardances halogen-free environment-friendly flame-proof of resistance to light-heat aging polypropylene material and preparation method thereof
CN108164809A A kind of integrated expanding halide-free fire-retardant of anti-dripping melt and preparation method thereof
CN107513328A A kind of Transparent expansion type fire-retardant paint and preparation method thereof
CN107513317A A kind of aqueous double-component water proof anti-soil flame-retardant coatings glue and preparation method thereof
CN104610704A Halogen-free flame retardant anhydride cured epoxy resin composition
CN104530482A Preparation method of large-particle size melamine cyanurate
CN104497607A Halogen-free flame retardant wood-plastic composite material and preparation method thereof
CN103553930A Method for preparing high-purity pyrophosphoric acid amine salt
CN103498341A Efficient low-smoke flame-retardant textile coating adhesive and preparation method thereof
CN103483873A Preparation method of low-viscosity microcapsule-wrapped APP (ammonium polyphosphate)
CN103466585A Preparation method for crystal form II ammonium polyphosphate with low viscosity and high polymerization degree