Learn more

WEIFANG POLYGRAND CHEMICAL CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    149,259
About

WEIFANG POLYGRAND CHEMICAL CO LTD has a total of 11 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets macromolecular chemistry and polymers, materials and metallurgy and machines are GUANGDONG JUHANG INSTITUTE FOR ADVANCED MAT CO LTD, JIESHOU SHENGXIANG NEW BUILDING MAT CO LTD and JIANGSU HIMEI NEW MAT CO LTD.

Patent filings in countries

World map showing WEIFANG POLYGRAND CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing WEIFANG POLYGRAND CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sun Zhenyu 9
#2 Luan Jingmin 8
#3 Sun Zhendong 6
#4 Li Chuixiang 6
#5 Wang Wenhua 5
#6 Xu Jianhua 5
#7 Dai Jiao 4
#8 Wu Jianjiang 3
#9 Han Xinshuai 1
#10 Chen Zhifeng 1

Latest patents

Publication Filing date Title
CN111829292A Chlorinated polyethylene rubber drying equipment and process thereof
CN111777084A Production process of food-grade magnesium chloride
CN111825782A Method for producing chlorosulfonated polyethylene rubber by using low-temperature freezing and crushing
CN109988369A A kind of field of metallurgy rubber roller chlorosulfonated polyethylene rubber composition and preparation method thereof
CN109880245A A kind of chlorinated polyethylene rubber composition of cross-linking radiation and preparation method thereof
CN109879990A A kind of method that the sour phase suspension of clean and environmental protection prepares chlorinated polypropylene
CN109824803A A kind of preparation method of chlorosulfonated polyethylene
CN108774291A A method of it preparing haloflex and homogeneously feeds centrifugation
CN108715653A A kind of fire-retardant, weather-proof heat-insulating material and preparation method thereof
CN108752503A A kind of solwution method haloflex continuous reaction method and system
CN108752504A A kind of water-saving environment amenable production of chlorinated polyethylene method