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NANJING CHANGAO PHARMACEUTICAL CO LTD

Overview
  • Total Patents
    19
About

NANJING CHANGAO PHARMACEUTICAL CO LTD has a total of 19 patent applications. 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, pharmaceuticals and environmental technology are ALIHODZIC SULEJMAN, GLAXOSMITHKLINE ISTRAŽIVACKI CENTAR ZAGREB D.O.O. and PROGEN IND LTD.

Patent filings in countries

World map showing NANJING CHANGAO PHARMACEUTICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 19

Patent filings per year

Chart showing NANJING CHANGAO PHARMACEUTICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Haiyan Huang 10
#2 Wei Li 9
#3 Zhan Li 9
#4 Hongyan He 7
#5 Cailian Liu 6
#6 Ziqiang Zhang 6
#7 Gang Chu 6
#8 Lijun Zhu 6
#9 Xiaoyan Xie 5
#10 Xiaotao Wu 5

Latest patents

Publication Filing date Title
CN102614117A Decitabine liquid composition and preparation method of its lyophilized preparation
CN102070691A Metacavir crystal form, preparation method thereof and medicinal composition containing metacavir crystal form
CN102552158A Metacavir enteric coating pellet and preparation method thereof
CN102532131A Preparation method for S-(-)-nadifloxacin-L-arginine salt
CN102384946A Method for separating and measuring entecavir and diastereoisomers thereof by using high performance liquid chromatography
CN102180833A Preparation method and detection method for edaravone dimer and tautomer thereof
CN102232950A New application of rebeprazole in pharmacy
CN102210657A Prulifloxacin tablets and preparation process thereof
CN102138907A Stable rabeprazole sodium freeze-dried preparation and preparation method thereof
CN101759716A Preparation method for water-soluble pleuromutilin compound and intermediate thereof
CN102091028A Edaravone injection and preparation method thereof
CN102093393A Method for preparing prulifloxacin and intermediate product thereof
CN102060771A Edaravone crystal form and preparation method thereof
CN101590077A Compound erythromycin zinc acetate ointment for local use
CN101849904A Palonosetron injection and preparation method thereof
CN101804053A Chiral benzo-quinoline hydrochloride-2-carboxylic acid arginine salt composite and preparation and application thereof
CN101570559A Method for preparing 5-aza-2'-deoxycytidine and its intermediates
CN101220071A Stable 6-methoxy-2',3'-dideoxy guanine nucleoside, method for preparing the same and medicament composition containing the same
CN101283965A Preparation containing bendopa methyl ester and preparation method thereof