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CHANGSHU CHANGEL CHEMICAL CO LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    93,702
  • Filing trend
    ⇧ 80.0%
About

CHANGSHU CHANGEL CHEMICAL CO LTD has a total of 18 patent applications. It increased the IP activity by 80.0%. Its first patent ever was published in 2017. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets organic fine chemistry, environmental technology and electrical machinery and energy are TOSOH F TECH INC, ARLT DIETER and PPG SIPSY.

Patent filings in countries

World map showing CHANGSHU CHANGEL CHEMICAL CO LTDs patent filings in countries

Patent filings per year

Chart showing CHANGSHU CHANGEL CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fu Renjun 18
#2 Lin Xiaowen 6
#3 Xu Weiwen 5
#4 Zheng Xiang 5
#5 Xue Bing 4
#6 Qu Dawei 4
#7 Fan Weizhen 4
#8 Ding Jihua 2
#9 Wang Liang 1
#10 Hu Yongming 1

Latest patents

Publication Filing date Title
CN111909129A Method for preparing cyclic sulfate by direct oxidation of hydrogen peroxide
CN111389455A Method for synthesizing 1-butene-3, 4-diol by liquid-solid phase catalysis
CN111423309A Method for synthesizing 1-butene-3, 4-diol through gas-solid phase continuous isomerization
CN110386916A A kind of synthetic method of cyclic sulfates
CN109503653A A kind of three (trialkyl silicon substrate) phosphate synthesis methods
CN109678722A A kind of linear carbonate and its synthetic method containing fluoroalkyl
CN109503543A A kind of chlorocarbonic acid vinyl acetate compound stabilizer
CN109456361A A kind of synthetic method of three (trialkyl silicon substrate) phosphite esters
CN109456353A A kind of synthetic method of three (trialkyl silicon substrate) borates
CN109593203A A kind of linear multiple block copolymerization silicone oil and preparation method thereof
CN109438410A A kind of method of synthesizing ethylene carbonate
CN109593076A A kind of application of KF/NaY catalyst in synthesizing ethylene carbonate
CN109293691A A kind of new method preparing di-oxalate lithium borate
CN107722048A Ring-type sulfonic acid silicon substrate lactone and preparation method thereof
CN107573371A Cyclic disulfonic acid silicon substrate ester and preparation method thereof
CN107177042A A kind of preparation method of low volatile spheric microparticles of silicone resin