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NINGXIA UNISPLENDOUR TIANHUA METHIONINE CO LTD

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    71,705
  • Filing trend
    ⇩ 100.0%
About

NINGXIA UNISPLENDOUR TIANHUA METHIONINE CO LTD has a total of 24 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2013. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets organic fine chemistry, foods and drinks and chemical engineering are XIAMEN KAI ER LI INFORMATION TECHNOLOGY CO LTD, XIAMEN KAIERLI INFORMATION TECH CO LTD and NINGBO XINKAI BIOTECHNOLOGY CO LTD.

Patent filings per year

Chart showing NINGXIA UNISPLENDOUR TIANHUA METHIONINE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Chuanlong 15
#2 Qin Ling 14
#3 Liao Changfu 11
#4 Zhang Jiancheng 10
#5 Tang Yuping 8
#6 Zhang Jing 7
#7 Wei Yiyong 7
#8 Jin Haiqin 6
#9 Wan Xia 6
#10 Zhang Yingjie 6

Latest patents

Publication Filing date Title
CN111978221A Preparation method of feed additive DL-methionine complex copper
CN111978222A Preparation method of feed additive DL-methionine complex zinc
CN110305050A A kind of method that 5- [2- (methyl mercapto) ethyl] glycolylurea hydrolysis exhaust prepares Sodium L-methioninate
CN109384696A A method of obtaining high-purity high-bulk-density methionine
CN108658820A Reduce the methionine production method of by-product sodium sulphate
CN108658819A A kind of clean preparation method of methionine
CN108658821A D, clean preparation method of L-Methionine and products thereof
WO2017206704A1 Methionine new crystal form ii and preparation method therefor
CN108794364A A kind of isolation and purification method of methionine
CN108794363A A kind of methionine method for crystallising
CN106565608A Preparation method of highly-pure 5-(2-methylthioethyl)-hydantoin
CN106432018A Method for environment-friendly clean production of D,L-methionine
CN106432020A Separation and purification method of D,L-methionine
CN106380415A Preparation method for D, L-phenylglycine and analogue thereof
CN106380433A Separation and purification method for N-acetyl-D, L-methionine
CN106083675A A kind of methionine novel crystal forms I and preparation method thereof
CN106083674A A kind of reduce the production method of carbonate in methionine saponification liquor
CN105924372A Production method for dimethyl disulfide
CN107382799A Ion exchange acidifying methionine salt prepares the method and special equipment of methionine