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JINAN CHENGHUI SHUANGDA CHEMICAL CO LTD

Overview
  • Total Patents
    55
  • GoodIP Patent Rank
    46,047
  • Filing trend
    ⇩ 100.0%
About

JINAN CHENGHUI SHUANGDA CHEMICAL CO LTD has a total of 55 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry and foods and drinks are ANHUI WANBANG MEDICAL TECHNOLOGY CO LTD, SANKIO CHEMICAL CO LTD and BIOFINE INC.

Patent filings in countries

World map showing JINAN CHENGHUI SHUANGDA CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 55

Patent filings per year

Chart showing JINAN CHENGHUI SHUANGDA CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Li Yuedong 24
#2 Yang Yanjun 24
#3 Wang Tingjian 19
#4 Yu Donghai 15
#5 Hu Junfeng 10
#6 Ge Zhengquan 8
#7 Liu Suling 7
#8 Guo Guisheng 7
#9 Liu Zhiwen 7
#10 Wang Sulan 6

Latest patents

Publication Filing date Title
CN108101842A A kind of preparation method of 2- hydroxyls -4- carboxyl quinolines
CN105801636A Synthetic method for naringin dihydrochalcone
CN105646261A Tetracaine preparation method
CN105732454A Production technology of L-pyroglutamic acid benzyl ester
CN105481795A Production process of levodropropizine
CN105601496A Preparation method of 3,4-dimethoxy phenylpropionic acid
CN105646482A Preparation method of ropivacaine hydrochloride impurity F
CN105503774A Preparation method of tianeptine sodium intermediate
CN105585465A Preparation technology and preparation device of 3,3-dimethylbutyraldehyde
CN105399595A Preparation method of tert-butyl chloride
CN105481771A Preparation process of ozagrel intermediate methyl (E)-4-(imidazolylmethyl) cinnamate
CN105418510A Preparation method of (E)-4-(methyl imidazolyl) methyl cinnamate
CN105523952A Preparation method of methyl 4-acetamido-5-chloro-2-methoxybenzoate
CN105503668A Synthetic method of 4-chloro-2-(N-methyl-N-phenyl sulfamoyl) methyl benzoate
CN105218436A A kind of method preparing 4-Chloro-2-Pyridyle methyl-formiate
CN105254587A Preparation method of tianeptine sodium intermediate
CN105330631A Method used for preparing n-butylphathlide via one pot method
CN105175325A Preparation method of 4-chlorine-2-pyridine methyl formate
CN105367526A Preparation method of high-purity n-butylphthalide
CN104478681A Hydrolysis method for 1-chlorine-3,3-dimethylbutyl acetate