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CHANGYI HANXING MEDICAL SCIENCE CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    173,881
  • Filing trend
    0.0%
About

CHANGYI HANXING MEDICAL SCIENCE CO LTD has a total of 11 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, biotechnology and measurement are SHANGYU NHU BIOCHEMICAL IND CO LTD, TIANJIN GUANGFU TECH DEV CO LTD and PCBU SERVICES INC.

Patent filings in countries

World map showing CHANGYI HANXING MEDICAL SCIENCE CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing CHANGYI HANXING MEDICAL SCIENCE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Jian 5
#2 Shentu Youde 4
#3 Lei Jiang 3
#4 Guo Changfa 3
#5 Chu Yunbo 2
#6 Liu Jie 2
#7 Zhou Xiongfei 2
#8 Zhu Junqiang 2
#9 Wang Guoqing 2
#10 Gao Jianbao 1

Latest patents

Publication Filing date Title
CN110105242A A kind of 2- Cyano-4 '-methylbiphenyl is continuously synthesizing to method
CN110183354A A method of 4 '-bromomethyl -2- cyanobiphenyls are prepared using the continuous bromination reaction of illumination
CN108872436A The analysis method of D (-) D-pHPG content in a kind of D (-) p-hydroxyphenylglycine methyl ester
CN108642120A A kind of preparation method of D- D-4-methylsulfonylphserine serine ethyl esters
CN108033903A The synthesis technique that a kind of DL-p-methylsulfonylpserine serine ethyl ester is esterified with water
CN107445871A Preparation method with optically active α methanesulfonic acid derivatives
CN106631850A Post-treatment process for synthesizing 4-hydroxyphenylglycine
CN104860792A Production method of 4, 4'-bis (ehloromethyl) biphenyl
CN104072387A Preparation method for 2- cyanogroup-4 '-methyl diphenyl
CN103524366A Process for synthesizing (R)-hydroxyphenylglycine
CN102617418A Method for recycling amino acid ester from amino acid esterification mother liquor