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CHANGZHOU YONGHE FINE CHEMICAL CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    125,746
About

CHANGZHOU YONGHE FINE CHEMICAL CO LTD has a total of 14 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry are XIAMEN LAIENSITE INFORMATION TECH CO LTD, CHENGDU DONGDIAN AIER SCIENCE AND TECH CO LTD and ZAOYANG TIANYAN GUIPU MAT CO LTD.

Patent filings in countries

World map showing CHANGZHOU YONGHE FINE CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

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

Focus industries

Top inventors

# Name Total Patents
#1 Xu Xiaochun 14
#2 Jiang Youlin 14
#3 Lu Haifeng 14
#4 Luan Yongqin 9
#5 Song Juhong 5
#6 Chen Yunfeng 4
#7 Sun Chenghe 3
#8 Yan Mingliang 1
#9 Wan Haiyang 1

Latest patents

Publication Filing date Title
CN112279798A Preparation method of bis (3-ethyl-5-methyl-4-maleimidophenyl) methane
CN110343051A The preparation method of p-aminobenzoic acid Arrcostab
CN110437105A N- (4- carboethoxyphenyl)-N '-methyl-N '-phenyl formamidine preparation method
CN110256304A The preparation method of 4-hydrazinobenzene-1-sulfonamide hydrochloride
CN110305032A The preparation method of N- tert-butyl -4- aminobenzamide
CN108484445A N, N '-two are prepared with the waste residue of production UV-1(4- carboethoxyphenyls)The method of-N '-benzyl carbonamidines
CN108314627A Benzocainum green preparation process
CN108299286A The synthetic method of 1,4- dihydro -3,5- oxalic acid bay alcohol ester -2,6- lutidines
CN105669470A Preparation method of 1,2-di(2-aminophenoxy)ethane
CN105439837A Synthetic method of 6-Bromoisovanillin
CN105315176A Environment-friendly preparation process of N-(4-ethoxy carbonyl phenyl)-N'-methyl-N'-phenyl formamidine
CN105315168A Environment-friendly preparation process of N-(4-ethoxy carbonyl phenyl)-N'-methyl-N'-phenyl formamidine intermediate
CN103709073A Preparation method of N,N'-bis (4-ethoxycarbonylphenyl)-N'-benzyl formamidine