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DAFENG HEGNO PHARMACEUTICALS CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    188,786
  • Filing trend
    ⇩ 50.0%
About

DAFENG HEGNO PHARMACEUTICALS CO LTD has a total of 12 patent applications. It decreased the IP activity by 50.0%. 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 environmental technology are ANHUI HUASHENG PHARMACEUTICAL TECH CO LTD, QR PHARMACEUTICALS LTD and CONNLAB HOLDINGS LTD.

Patent filings in countries

World map showing DAFENG HEGNO PHARMACEUTICALS CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing DAFENG HEGNO PHARMACEUTICALS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lu Xiangyang 9
#2 Liu Deming 6
#3 Zhai Jinlu 5
#4 Xu Guangming 4
#5 Wang Bing 4
#6 Peng Shun 3
#7 Liu Daohan 2
#8 Wang Zhijun 2
#9 Zhao Weizhong 1
#10 Tian Lu 1

Latest patents

Publication Filing date Title
CN111377941A Preparation method of high bulk density vitamin H
CN111377940A Method for desulfurizing vitamin H intermediate
CN109718206A A method of producing vitamin E powder
CN109553573A A method of reducing activated carbon dosage in vitamin B6 subtractive process
CN107973806A A kind of method for preparing D-Biotin bromide intermediate
CN107955018A A kind of method for preparing D-Biotin thiolactone intermediate
CN104725262A Method for continuously preparing N-ethyloxyl oxalyl alanine ethyl ester
CN104710351A Continuous preparation method of vitamin B6
CN104710352A Crystallization method of vitamin B6
CN104628633A Synthetic method of vitamin B6
CN103435568A Preparation method of 4-methyl-5-ethoxy oxazole acid ethyl
CN102898395A Method for preparing 4-methyl-5-(n-butoxy)oxazole