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Qidong dongyue pharmaceutical co ltd

Overview
  • Total Patents
    29
  • GoodIP Patent Rank
    81,472
  • Filing trend
    ⇩ 50.0%
About

Qidong dongyue pharmaceutical co ltd has a total of 29 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry and materials and metallurgy are ZHEJIANG ZHUJI UNITED CHEMICALS CO LTD, PHARMACORE INC and SUZHOU BAILING WEICHAO FINE MAT CO LTD.

Patent filings in countries

World map showing Qidong dongyue pharmaceutical co ltds patent filings in countries
# Country Total Patents
#1 China 29

Patent filings per year

Chart showing Qidong dongyue pharmaceutical co ltds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Long Zhongzhu 25
#2 Cai Shuihong 22
#3 An Na 6
#4 Yu Yankun 6
#5 Wang Qiaochun 5
#6 Cai Chang 5
#7 Zhang Chengliang 5
#8 Zhang Wenwen 5
#9 Wu Fuzhong 5
#10 Fuzhong Wu 4

Latest patents

Publication Filing date Title
CN112266350A Method for recycling by-products in preparation process of iodo-succinimide
CN110483395A The purification process at salt of 1- (4- methoxy-benzyl) -3,4,5,6,7,8- hexahydro isoquinolin
CN110105211A The recoverying and utilizing method of by-product in the halogenated ethyl caprilate preparation process of 8-
CN110078672A The chloro- 5-FU preparation method of 2,4- bis- of high-purity
CN108383786A (S) -1- (4- methoxy-benzyls) -1,2,3,4,5,6,7,8- octahydro isoquinolin the preparation methods
CN107814719A The iodobenzene diacetate preparation method and Recycling Mother Solution using method of high-efficiency environment friendly
CN107759634A A kind of Wittig tube- nurseries method
CN106336357A Preparation method of 2-hydroxymethyl methyl acrylate
CN106117204A The preparation method of Lei Dipawei intermediate (1R, 3S, 4S) 2 Boc 2 azabicyclo [2.2.1] pentane 3 carboxylic acid
CN105801444A Synthesizing method for 3'-amino-2'-hydroxy biphenyl-3-carboxylic acid
CN105153276A Bacterial separation enzyme inhibitor and application thereof
CN105037453A Preparation method of methyl-2,3-O-isopropylidene-5-deoxy-D-ribofuranoside
CN104961636A Synthesis method of magnesium L-threonate
CN104892535A Synthesis method of 5-(4'-methyl-[1,1'-biphenyl]-2-yl)-1-hydro-tetrazole
CN105037134A Asymmetric diphenic acid isomeride separation method
CN104478818A Synthetic method of 2-(1-hydro-4-tetrazole)-4'-methyl diphenyl
CN104003903A Synthetic method of 2-cyano-4'-methylbiphenyl
CN103936671A Preparation method for montelukast sodium intermediate
CN103936622A 5-bromo-2-fluorobenzonitrile synthesis method
CN103965020A Method for preparing 5-iodine-2-bromobenzylalcohol