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SHANGHAI PETROCHEMICAL CO LTD

Overview
  • Total Patents
    131
About

SHANGHAI PETROCHEMICAL CO LTD has a total of 131 patent applications. Its first patent ever was published in 1993. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, organic fine chemistry and chemical engineering are HEFEI KEYOU BIOLOG SCIENCE & TECHNOLOGY CO LTD, SHANGHAI BOCHEN BIOTECHNOLOGY and OOO SOVTEKH.

Patent filings in countries

World map showing SHANGHAI PETROCHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 131

Patent filings per year

Chart showing SHANGHAI PETROCHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Guo Shizhuo 10
#2 Xu Zehui 10
#3 Min Wu 9
#4 Juanzhi Zhu 9
#5 Yihua Cang 9
#6 Chen Kequan 9
#7 Yumei Yang 8
#8 Chunxiao Ji 8
#9 Wang Peilin 6
#10 Chen Hongjun 5

Latest patents

Publication Filing date Title
CN101045578A Method for removing sewage aminonitrogen by activated sludge process
CN101045577A Method for removing sewage aminonitrogen by activated sludge process
CN101045580A Adopt activated sludge process to remove the method for sewage ammonia nitrogen
CN1986579A Process of producing polyacrylonitrile resin dyeable with both cationic dye and acid dye
CN1986445A Nitrobacteria culture promoter
CN1986450A Sequencing batch active sludge process for eliminating ammonia nitrogen from sewage
CN1986919A Process of producing polyacrylic fiber dyeable with both cationic dye and acid dye
CN1986444A Nitrobacteria culture promoter
CN1986446A Nitrobacteria growth promoter
CN1986586A Polyacrylonitrile resin dyeable with both cationic dye and acid dye
CN1986448A Sequencing batch active sludge process for eliminating ammonia nitrogen from sewage
CN1986447A Sequencing batch active sludge process for eliminating ammonia nitrogen from sewage
CN1986443A Nitrobacteria growth promoter
CN1986918A Process of producing polyacrylic fiber dyeable with both cationic dye and acid dye
CN1986449A Sequencing batch active sludge process for eliminating ammonia nitrogen from sewage
CN1915958A Method for producing 1,4 - cyclohexane diformate by hydrogenation on benzene ring of terephthalic acid
CN1915494A Catalyst for benzene ring hydrogenation of terephthalic acid or dimethyl terephthalate
CN1915962A Method for preparing 1,4 - cyclohexanedicarboxylate
CN1911875A Method of preparing cyclopentane by continuous hydrogenation of cyclo pentadiene
CN1911515A Preparation method of catalyst used for synthesizing glutaraldehyde by oxidation of cyclopentene