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CHANGZHOU WANCHANG CHEMICAL CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    97,139
  • Filing trend
    ⇩ 100.0%
About

CHANGZHOU WANCHANG CHEMICAL CO LTD has a total of 17 patent applications. It decreased 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, environmental technology and biotechnology are ADDIVANT SWITZERLAND GMBH, INITZ CO LTD and GRACE CONTINENTAL KOREA CO LTD.

Patent filings in countries

World map showing CHANGZHOU WANCHANG CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing CHANGZHOU WANCHANG CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lei Chunyan 10
#2 Guan Xiaomei 7
#3 Lin Maolan 4
#4 Yang Lijun 4
#5 Xue Yanjing 3
#6 Zhang Shuxian 3
#7 Chen Lili 2
#8 Li Lu 2
#9 Yin Kaixin 2
#10 Liu Rongfeng 1

Latest patents

Publication Filing date Title
CN108128892A A kind of preparation method of coal chemical industrial waste water particle
CN108148702A A kind of preparation method of fruits and vegetables fermentation low alcohol beverage
CN108219565A A kind of preparation method of high compatible type coating levelling agent
CN108042467A A kind of multifunctional liquid soap and preparation method thereof
CN108219085A A kind of preparation method of high impact-resistant water-resistant type epoxy resin toughener
CN107793671A A kind of preparation method of heat conductive flame-retarding soft PVC
CN107988175A A kind of preparation method of pyrethroid degradation agent
CN107903438A A kind of preparation method of heat resistanceheat resistant oxygen light type antioxidant
CN107746115A A kind of preparation method of high flocculating rate composite flocculation agent
CN107756270A A kind of preparation method of anti-oxidant thermostable phenolic resin bonding agent
CN107226629A A kind of water-resistant type magnesium phosphate cement sill and preparation method thereof
CN107287697A A kind of preparation method of chitin fiber
CN107227141A A kind of weather-proof crack resistence type fluid sealant
CN107213674A A kind of method that utilization microalgae prepares microalgae flocculant
CN107265513A A kind of method that utilization titanium white waste acid prepares ferric oxide red colorant
CN107293788A A kind of lithium ion battery flame-retardant electrolyte and preparation method thereof
CN107159470A A kind of phosphorite flotation collector