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CANGZHOU PURUI DONGFANG TECH CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    73,188
  • Filing trend
    0.0%
About

CANGZHOU PURUI DONGFANG TECH CO LTD has a total of 22 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, measurement and environmental technology are ARTHUR BINZ, ASLEE BIOPHARMACEUTICALS INC and CYTEC CANADA INC.

Patent filings in countries

World map showing CANGZHOU PURUI DONGFANG TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing CANGZHOU PURUI DONGFANG TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Leng Yanguo 20
#2 Zhang Jin 11
#3 Liu Zonglun 7
#4 Zhang Pengyue 6
#5 Shen Haibing 5
#6 Feng Xuemin 5
#7 Sun Shenghui 4
#8 Liu Zengren 4
#9 Zhang Shihong 4
#10 Tian Liguo 3

Latest patents

Publication Filing date Title
CN112250702A Preparation method of 1, 3-propylene glycol o-cyanobenzene borate
CN111072697A Preparation method of 4-phenoxyphenylboronic acid
CN111004264A Preparation method of N-substituted tetrahydropyridine-3/4-boric acid/ester
CN111072698A Preparation method of hydroxyphenylboronic acid
CN109467569A The synthetic method of 3- amino phenyl boric acid
CN109305983A A kind of synthetic method of cyclopropylboronic acid
CN109608484A The quenching method of active metal sodium or lithium
CN109305982A The synthetic method of 2- butoxy -1,2- evil borine
CN109485601A The synthetic method of 2,6- dihalopyridine -3- carboxylic acid
CN109503639A The synthetic method of trans- three potassium fluoborate of -2- substituted cycloalkyl
CN109456350A Dibenzofurans/thiophene -4- boric acid synthetic method
CN109467536A 2- chlorine/hydroxy pyrimidine -5- carboxylic acid synthetic method
CN108059169A A kind of synthesis technology of two boron of tetrahydroxy
CN108020547A A kind of method for measuring organic three potassium fluoborates salt content
CN108169409A Monomer and tripolymer content method in a kind of detection organic boronic
CN107987097A The synthesis technique of 2,6- dichloropyridine -4- boric acid pinacol esters
CN108047257A A kind of preparation process of chirality N-BOC- pyrrolidines -2- boric acid
CN107987096A A kind of method of synthesis 2- aldehyde radicals furans -4- boric acid pinacol esters
CN108047258A A kind of method of synthesizing amino pyridine boronic acid ester
CN107892699A A kind of synthesis technique of the boric acid of pyridine 4