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2Y CHEM LTD

Overview
  • Total Patents
    27
  • GoodIP Patent Rank
    158,972
About

2Y CHEM LTD has a total of 27 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Israel. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and chemical engineering are HUDLICKY TOMAS, GLENMARK PHARMACEUTICALS LTD ; GLENMARK GENERICS LTD and CRAF SUD.

Patent filings in countries

World map showing 2Y CHEM LTDs patent filings in countries

Patent filings per year

Chart showing 2Y CHEM LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 He Xungui 24
#2 Wang Yuan 22
#3 Zhou Yanfeng 8
#4 Tang Wensheng 8
#5 Wang Yanling 6
#6 Wang Xuezhang 5
#7 Zhang Xingzhong 5
#8 Song Jinfeng 4
#9 Yuan Wang 3
#10 Zhu Jirang 3

Latest patents

Publication Filing date Title
CN110283221A The preparation and purification method of heterocyclic compound
CN107759625A The preparation method of 4 (the base epoxide of the dihydrobenzo of 1 hydroxyl 1,3 [c] [1,2] oxaborol 5) benzene cyanogen
CN104892526A Preparation method of 2,5-dichloro-N-(2-isopropylsulfonyl) phenyl) pyrimidine-4-amine
CN104803908A Hydrate of 2-isopropoxy-5-methyl-4-(4-piperidyl) aniline dihydrochloride as well as preparation method and application of hydrate
CN104447515A New intermediates for preparing ceritinib and preparation method of intermediate
CN103923001A Regorafenib salt, crystal thereof and preparation method of crystal
CN104387315A Compound I and (R)-3-aminopiperidine hydrochloride II, preparation method and application in Linagliptin synthesis
CN104370902A Apixaban novel crystal form and preparation method thereof
CN103319487A Preparation method of sitagliptin and intermediate of sitagliptin
CN103319483A Preparation method of important intermediate of linagliptin
CN103239719A Metformin compound pharmaceutical composition and preparation method thereof
CN103183604A Preparation method of vedaprofen
CN102120733A Preparation method of Febuxostat
CN102010400A S-5-substituted-N-2'-(thiofuran-2-yl-) ethyl-1,2,3,4-tetranap-2-amine or chiral hydrochloric acid and application thereof to preparation of rotigotine
CN101503455A Method for preparing drospiroenon and intermediate
CN101445462A Method for preparing tolterodine and tartrate thereof