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CHANGHUA CHEMICAL TECH CO LTD

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    112,105
  • Filing trend
    ⇧ 100.0%
About

CHANGHUA CHEMICAL TECH CO LTD has a total of 15 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2017. 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 POLY CHEM IND INC, ABEND THOMAS P and KUNST ANDREAS.

Patent filings in countries

World map showing CHANGHUA CHEMICAL TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing CHANGHUA CHEMICAL TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Fengqiu 14
#2 Mao Jinlong 7
#3 Zhang Hao 7
#4 Li Peng 5
#5 Qi Qinghai 5
#6 Gao Chendong 4
#7 Tu Jianjun 4
#8 Xu Wenyue 3
#9 Bian Qiang 3
#10 Xu Yidong 3

Latest patents

Publication Filing date Title
CN112142880A Continuous purification method of polymer polyol
CN111518259A High-resilience polyurethane microporous elastomer and preparation method and application thereof
CN111019118A Preparation method of high molecular weight polyether polyol with stable viscosity
CN111040148A Preparation method of polyether glycol with stable viscosity and high molecular weight
CN110922577A Preparation method of polyether carbonate polyol
CN110835400A High-resilience polyurethane foam plastic with high comfort, low hysteresis loss and low VOC (volatile organic compounds), and preparation method and application thereof
CN110577625A Breathable slow-rebound polyurethane foam plastic and preparation method and application thereof
CN110627991A Low-density high-performance high-resilience polyurethane foam plastic and preparation method and application thereof
CN110305311A The refining methd of allyl alcohol methyl blocking polyether
CN110305310A Allyl alcohol methyl blocking polyether and its preparation method and application
CN110305309A Allyl alcohol block methyl blocking polyether and its preparation method and application
CN110183646A Allyl alcohol polyethenoxy methyl ether and its preparation method and application
CN109320712A The synthetic method of allyl alcohol polyether
CN108559033A The preparation method of macromolecular stabilizer agent performed polymer
CN107652426A Reduce the process for purification of VOC content and smell in PPG