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WEIHAI DISU PHARMACEUTICAL CO LTD

Overview
  • Total Patents
    87
  • GoodIP Patent Rank
    19,852
  • Filing trend
    ⇧ 41.0%
About

WEIHAI DISU PHARMACEUTICAL CO LTD has a total of 87 patent applications. It increased the IP activity by 41.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, biotechnology and measurement are JIANGSU HAICI BIOLOGICAL PHARMACEUTICAL CO LTD OF YANGTZE RIVER PHARMACEUTICAL GROUP, GRANULES INDIA LTD and TLC NANJING PHARMACEUTICAL RES AND DEVELOPMENT CO LTD.

Patent filings in countries

World map showing WEIHAI DISU PHARMACEUTICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 87

Patent filings per year

Chart showing WEIHAI DISU PHARMACEUTICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cong Rigang 24
#2 Wang Guan 17
#3 Jiang Kai 17
#4 Miao Huaming 16
#5 Wang Chao 13
#6 Yao Yan 10
#7 Liu Qingchun 10
#8 Wu Ronggui 10
#9 Xu Keling 9
#10 Xiao Chuan 9

Latest patents

Publication Filing date Title
CN110540520A Method for purifying donepezil
CN110618208A Method for detecting content of (S) - (+) -3-hydroxytetrahydrofuran enantiomer
CN110467586A A kind of preparation method of flunarizine hydrochloride crystallization
CN110526868A A kind of preparation method of celecoxib
CN110526879A A kind of crystallization preparation method of small grain size Febustat
CN110483441A A kind of preparation method of the Febustat A crystal form of low impurity content
CN110484578A A kind of method of enzyme process preparation low molecular weight carboxymethylchitosan
CN110501449A A kind of detection method of candesartan Cilexetil genotoxicity impurity
CN110256372A A kind of Linezolid impurity and preparation method
CN110218171A A method of preparing Glimepiride crystal form I
CN110256309A The preparation method of 1- thiopurine methyltransferase cyclopropaneacetic acid
CN110256373A A kind of preparation method of small grain size acotiamide hydrochloride hydrate crystallization
CN110092739A A kind of preparation method of glimepiride intermediate
CN109627226A A kind of preparation method of 4- methyl -5- ethyoxyl oxazole
CN109320461A A kind of preparation method of telmisartan intermediate
CN109456329A A kind of preparation method of famciclovir
CN109293570A A kind of preparation method of the gliquidone crystallization of small grain size
CN109232537A A kind of preparation method of Wo Nuolazan
CN109456314A A kind of preparation method that En Gelie is net
CN109180577A A kind of preparation method of Aripiprazole