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SHANGHAI TWISUN BIO PHARM CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    176,387
  • Filing trend
    ⇩ 100.0%
About

SHANGHAI TWISUN BIO PHARM CO LTD has a total of 13 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2009. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets organic fine chemistry and environmental technology are SALZMAN LOVELACE INVEST LTD, KUNSHAN RIKITA PHARMACEUTICAL CO LTD and Nanjing chemical reagent co ltd.

Patent filings in countries

World map showing SHANGHAI TWISUN BIO PHARM CO LTDs patent filings in countries

Patent filings per year

Chart showing SHANGHAI TWISUN BIO PHARM CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ye Fangguo 8
#2 Gong Hongquan 4
#3 Ye Min 4
#4 Li Ticong 4
#5 Hu Jingbo 4
#6 Shen Jiangang 3
#7 Xu Jiafa 3
#8 Liu Qingqing 2
#9 Li Weihong 2
#10 Long Shuangxi 2

Latest patents

Publication Filing date Title
CN107739319A A kind of preparation method of Glecaprevir synthetic intermediates and its amine salt
CN107673990A A kind of preparation method of the iodo-benzoic acid of 2 bromine 5
WO2019084740A1 Method for preparing glecaprevir synthetic intermediate and amine salt thereof
WO2018113277A1 Method for preparing ledipasvir and intermediate for preparing ledipasvir
CN107311852A A kind of synthetic method of Wei Patawei intermediate As
CN104987355A Synthesis method of intermediate compound of sofosbuvir
CN104844593A Synthetic method for Apixaban drug intermediate
CN104529814A Method for synthesizing N-benzylhydroxylamine hydrochloride
CN103274968A Method for producing amantadine compound
CN103275061A Method for producing 5-chlorothiophene-2-carboxylic acid
CN103265473A Method for producing saxagliptin
CN103275065A Novel method for producing dabigatran etexilate
CN101870695A Preparation method of 3-(2-chloroethyl)-6, 7, 8, 9 - tetrahydro-9 - hydroxy - 2 - Methylenetetrahydrofolate - pyrido [1,2-alpha] pyrimidine -4 - ketone