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CHONGQING ZIGUANG TIANHUA METHIONINE CO LTD

Overview
  • Total Patents
    16
About

CHONGQING ZIGUANG TIANHUA METHIONINE CO LTD has a total of 16 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry and environmental technology are JIANGSU TIANYIN CHEMICAL CO LTD, LIANHE CHEMICAL TECHNOLOGY CO LTD and GENCHEM CHANGZHOU CO LTD.

Patent filings in countries

World map showing CHONGQING ZIGUANG TIANHUA METHIONINE CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing CHONGQING ZIGUANG TIANHUA METHIONINE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Luo Yucheng 12
#2 Ju Yuanbo 7
#3 Yang Yong 6
#4 Liu Yaling 5
#5 Wei Tianlu 5
#6 Huang Baoyu 5
#7 Zhou Mingquan 5
#8 Yang Ping 5
#9 Wang Xiaoyong 4
#10 Liu Banglin 4

Latest patents

Publication Filing date Title
CN102827045A Method and apparatus for removing impurity in secondary methionine mother liquor
CN102796030A Method and device for preparing 3-methylmercapto-propionaldehyde through liquid-liquid reaction of methyl mercaptan and acraldehyde
CN102827046A Method and apparatus for removing impurity in sodium methionine solution
CN102658012A Method and device for treating high-concentration malodorous gas
CN102657947A Four-effect cross-flow evaporation system and process
CN104045590A Treatment system of crude methylthio propionaldehyde synthesized by methyl mercaptan and acraldehyde
CN102658183A Catalyst for catalyzing dimethyl sulfide and hydrogen sulfide to synthesize methyl mercaptan, and preparation method and application thereof
CN102658208A Methyl mercaptan catalyst, and preparation method and application thereof
CN102659541A Method for purifying acrolein and treatment system for preparing acrolein
CN102633699A Method for preparing DL-methionine
CN102659648A Method and system for separating mixed liquid containing dimethyl sulfide and methyl mercaptan
CN102633698A Treating method and system for crude methylthiopropanal synthesized of methyl mercaptan and acraldehyde
CN102627301A System and process of triple-effect cross-flow evaporation
CN102659684A Device and method for preparing hydantoin
CN102659650A Device and method for preparing DL-methionine salt
CN102730720A Method and system for recovering ammonia from gas containing hydrocyanic acid