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SHANDONG CHENGHUI SHUANGDA PHARMACEUTICAL CO LTD

Overview
  • Total Patents
    30
  • GoodIP Patent Rank
    52,926
  • Filing trend
    ⇩ 12.0%
About

SHANDONG CHENGHUI SHUANGDA PHARMACEUTICAL CO LTD has a total of 30 patent applications. It decreased the IP activity by 12.0%. 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, biotechnology and macromolecular chemistry and polymers are ZHEJIANG ZHUJI UNITED CHEMICALS CO LTD, ALIBABA BIOLOGICAL NEW MAT CHANGZHOU CO LTD and CHENGDU KA DI FU TECH CO LTD.

Patent filings in countries

World map showing SHANDONG CHENGHUI SHUANGDA PHARMACEUTICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 30

Patent filings per year

Chart showing SHANDONG CHENGHUI SHUANGDA PHARMACEUTICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Yuedong 21
#2 Yang Yanjun 13
#3 Wang Tingjian 11
#4 Wang Zhigang 8
#5 Ge Zhengquan 7
#6 Wang Yongguang 7
#7 Hu Junfeng 6
#8 Zhao Zhonggui 6
#9 Ren Zhenzhen 6
#10 Fan Kejun 5

Latest patents

Publication Filing date Title
CN112047849A Preparation method of aminomethylbenzoic acid
CN112079742A Method for preparing lidocaine through continuous reaction
CN111978270A Synthesis method of 5-alkyl- [1,3,4] -oxadiazole-2-formic ether
CN111004143A One-pot production process of tricaine hydrochloride
CN110981801A Production process for preparing cinchocaine hydrochloride by one-pot method
CN111004192A Refining method of tianeptine
CN110698451A Substituted dibenzo [ b, e ] thio (oxy) heptacyclo-11 (6H) -ketone compound and preparation method thereof
CN110698455A Preparation method of articaine hydrochloride crystal form II
CN110183374A A kind of preparation method of Doneppezil Hydrochloride intermediate
CN110183375A A kind of preparation method of high-purity hydrochloric acid donepezil intermediate
CN110183391A The method that one kettle way prepares D-Cycloserine
CN109456218A A kind of production method of trimecaine hydrochloride
CN109467586A A kind of refining methd of neotame
CN109369522A A kind of preparation method of N- (2- (diethyl) amine ethyl) the chloro- 4- quinoline formyl amine of -2-
CN109608431A A kind of preparation method of the chloro- 2- thiophene sulfanilamide of 3- acetyl bromide -5-
CN108084033A A kind of preparation method of N, N- diethyl ethylenediamine
CN108017543A A kind of preparation method of 3- nitros -4- propoxy benzoic acids
CN108003097A A kind of synthetic method of cinchocaine
CN107892677A A kind of preparation method of Pramoxine HCL
CN108069883A A kind of production technology of 3,3- dimethyl butyraldehydes