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ZHEJIANG NHU PHARMACEUTICAL CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    146,223
  • Filing trend
    ⇩ 100.0%
About

ZHEJIANG NHU PHARMACEUTICAL CO LTD has a total of 14 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2011. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets organic fine chemistry, environmental technology and surface technology and coating are CHONGQING JINSHAN SCIENCE & TECH CO LTD, KOBAYASHI PERFUMERY CO and BEIJING SUNPU BIOCHEMISTRY TECHNOLOGY CO LTD.

Patent filings in countries

World map showing ZHEJIANG NHU PHARMACEUTICAL CO LTDs patent filings in countries

Patent filings per year

Chart showing ZHEJIANG NHU PHARMACEUTICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Huang Guodong 5
#2 Pan Hong 5
#3 Lyu Guofeng 5
#4 Zeng Qingyu 5
#5 Zhao Jiang 4
#6 Wang Wei 3
#7 Zhang Qin 3
#8 Hu Pengxiang 3
#9 Zhang Liping 3
#10 Tian Jinjin 2

Latest patents

Publication Filing date Title
CN112159449A Preparation method of 7-p-toluenesulfonylhydrazone-3-cholesterol ester
CN111138510A Preparation method of vitamin D3 intermediate 7-ketocholesterol acetate
CN108047042A A kind of method using high-gravity technology synthesis 2,3,5- trimethylhydroquinone diester
CN108017610A A kind of preparation method of vitamin E
CN108084006A A kind of preparation method of trimethylbenzoquinone and trimethylhydroquinone
CN106555206A A kind of utilization electrolytic cell synthesizes the preparation method of d biotin intermediates
CN106565423A Method for synthesizing trimethylhydroquinone through pseudocumene
CN106278854A A kind of by the preparation method of α-isophorone isomery β-isophorone
CN105801551A Clean production method of vitamin E acetate
CN104592191A Method for synthesizing tocopherol succinate
CN104447275A Method for purifying acetic acid from acetic acid wastewater
CN104649878A Continuous synthesis technology of beta-isophorone
CN102180793A Method for synthesizing 2,3,5-trimethylhydroquinone diester