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WANCHENG ENV PROT TECH CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    73,194
About

WANCHENG ENV PROT TECH CO LTD has a total of 22 patent applications. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering and macromolecular chemistry and polymers are PARKER FILTRATION B V, LIU CHUNQING and EVONIK FIBRES GMBH.

Patent filings in countries

World map showing WANCHENG ENV PROT TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing WANCHENG ENV PROT TECH CO LTDs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Hu Yaqiong 22
#2 Ren Yi 22
#3 He Qinghai 22
#4 Yang Yun 22
#5 Yang Chengyong 22

Latest patents

Publication Filing date Title
CN106540477A A kind of defoamer with fire retardation
CN106563293A A high-strength compound defoamer
CN106377927A Organic silicon antifoaming agent containing nano powder
CN106362443A Organic silicon defoaming agent with anti-cracking function
CN106422430A Environment-friendly organic silicon defoamer
CN106512486A Compound polyether defoaming agent capable of ultraviolet ray protection
CN106362442A Waterproof polyether formulated de-foaming agent
CN106362444A Composite organic silicon defoamer containing coconut oil
CN106492515A Modified organic silicon defoamer of a kind of MQ silicone grafts containing hydrogen silicone oil and preparation method thereof
CN106362441A Organic silicon defoamer containing hydroxyl polyether modified epoxidized soybean oil and preparation method thereof
CN106474775A A kind of hyperbranched polyether modified organic silicon defoamer of nano-silica-containing and preparation method thereof
CN106474777A A kind of high resistance to acids and bases hyperbranched polyether modified organic silicon defoamer and preparation method thereof
CN106310727A Hyperbranched polyether modified organosilicon defoaming agent with lasting foam inhibiting effect and preparation method thereof
CN106474778A A kind of hyperbranched polyether modified organic silicon defoamer of efficient suds suppressing properties and preparation method thereof
CN106310726A Economic and efficient hyperbranched polyether modified organosilicon defoaming agent and preparation method thereof
CN106492517A A kind of hyperbranched polyether modified organic silicon defoamer containing polyacrylamide and preparation method thereof
CN106621477A Hyperbranched polyether modified organic silicon defoamer with low dosage and preparation method of defoamer
CN106492516A A kind of hyperbranched polyether modified organic silicon defoamer containing Simethicone and preparation method thereof
CN106422428A Cyclodextrin-modified polyether-grafted polysiloxane defoamer and preparation method thereof
CN106474776A A kind of can quick hyperbranched polyether modified organic silicon defoamer of froth breaking and preparation method thereof