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YIDU HUAYANG CHEMICAL CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    178,812
  • Filing trend
    0.0%
About

YIDU HUAYANG CHEMICAL CO LTD has a total of 13 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, basic materials chemistry and environmental technology are JIANGSU FENGHUA CHEMICAL IND CO LTD, NINGXIA UNISPLENDOUR TIANHUA METHIONINE CO LTD and CATALYTICA PHARMACEUTICALS INC.

Patent filings in countries

World map showing YIDU HUAYANG CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing YIDU HUAYANG CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhao Dingchun 7
#2 Qin Huazhong 4
#3 Tan Huazhong 3
#4 Xian Hao 3
#5 Xu Minghua 3
#6 Deng Xiaorong 2
#7 Huang Nianyu 1
#8 Song Yizheng 1
#9 Daming Sun 1
#10 Liao Cailian 1

Latest patents

Publication Filing date Title
CN112125793A 2, 4-di-n-octyloxy benzophenone and synthesis method and application thereof
CN110128253A ESCALOL 567 cleans preparation method
CN109096075A The process for separation and purification of 5- chlorine-2-hydroxyl -4- methoxy benzophenone
CN107698432A A kind of preparation method of ultra-violet absorber 3 (4 methyl benzylidene) camphor
CN105130918A Production method of ultraviolet ray absorber namely diethyl hexyl butyryl amino triazone
CN105061345A Synthesis method of UV absorbent ethylhexyl triazone
CN104945234A Preparation method of 2,2'-dihydroxy-4-methoxybenzophenone
CN104355999A Production method of ethylhexyl salicylate
CN103288633A Recycling method of 2-hydroxybenzoic acid-2-ethyl caprolactone production liquid waste
CN103274918A Recycling method of production waste liquid of 2-hydroxyl-4-methoxybenzophenone
CN103055528A High-temperature distillation still electric heating control device
CN102331165A Hot air circulating oven capable of accurately controlling temperature
CN101323564A Production method of 2-hydroxy-4-methoxy benzophenone