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CHINA RESOURCES ZIZHU PHARMACEUTICAL CO LTD

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    117,266
  • Filing trend
    ⇩ 50.0%
About

CHINA RESOURCES ZIZHU PHARMACEUTICAL CO LTD has a total of 23 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, environmental technology and measurement are CRYSTAL PHARMA S A, LIU DEJUN and KAISER EMIL THOMAS.

Patent filings in countries

World map showing CHINA RESOURCES ZIZHU PHARMACEUTICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 23

Patent filings per year

Chart showing CHINA RESOURCES ZIZHU PHARMACEUTICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tang Sihua 6
#2 Ding Xiaoyong 5
#3 Sun Yuxia 5
#4 Zhao Hongxin 5
#5 Geng Congcong 4
#6 Tian Weixue 4
#7 Xu Naixi 4
#8 Xie Shu 4
#9 Liang Jixuan 4
#10 Wang Hai 3

Latest patents

Publication Filing date Title
CN112285227A Gas chromatography analysis method for hexafluoroacetone in mifepristone
CN110655551A Dienogest drug single new crystal form and preparation method thereof
CN110357937A A kind of Dienogest compound
CN109384826A A kind of intermediate and preparation method thereof for synthesizing Desogestrel
CN109384824A Desogestrel intermediate and preparation method thereof
CN105906680A Desogestrel preparation method and midbody compound
CN105693808A Acetic acid Wu Li Tuo raw material medicine impurity and preparation method and application thereof to standard product
CN105601691A Preparation method of difluprednate beta form crystal
CN104914192A Analytical method of multivitamin tablets
CN104496872A Separating and purifying method for steroid ethyl hydroxide
CN104237417A Method for analyzing dydrogesterone midbody
CN104231026A Estrone raw material medicine impurity, preparation method of estrone raw material medicine impurity, and application of estrone raw material medicine impurity being used as standard substance
CN104231025A Estrone raw material medicine impurity, preparation method of estrone raw material medicine impurity, and application of estrone raw material medicine impurity being used as standard substance
CN104119421A Method for removing steroid hydroxylation impurities
CN103728382A Analysis method of estriol
CN103588841A Method for refining estriol
CN104345098A Method for determining antioxidant content in tibolone tablets
CN103772468A Preparation methods and purposes of Proellex(R)-V and intermediate of Proellex(R)-V
CN103772462A Preparation method of tibolone crystal form I
CN106046099A Steroid compound, preparation method therefor and use of steroid compound