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NINGBO ZHONGYI PETROCHEMICAL TECHNOLOGY CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    179,493
About

NINGBO ZHONGYI PETROCHEMICAL TECHNOLOGY CO LTD has a total of 22 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, basic materials chemistry and chemical engineering are MEERAE ENG CO, SHAOXING QIYING MEMBRANE TECH CO LTD and ALKAMEDI CO LTD.

Patent filings in countries

World map showing NINGBO ZHONGYI PETROCHEMICAL TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing NINGBO ZHONGYI PETROCHEMICAL TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cai Xiyang 16
#2 Nie Tongyuan 14
#3 Tong Renke 12
#4 Yu Wugang 9
#5 Wang Ming 8
#6 Shi Jing 7
#7 Yang Renzong 7
#8 Zhu Yifeng 6
#9 Liang Wei 5
#10 He Liming 5

Latest patents

Publication Filing date Title
CN105112092A Reverse extraction device and method for gas condensate fiber liquid membrane sulfur and alcohol removing and alkali liquor regeneration solvent
CN105038850A Device and method for recovering disulfide from condensate oil desulfurized alcohol and alkali liquor
CN105087057A Device and method for removing water soluble salt in crude oil
CN105001906A Device and method for removing water and metal salt in crude oil
CN104789262A Complete set of energy conservation and emission reduction type device and method for desulfurization and three-waste treatment of oil refinery
CN104743726A Device and method for treating oil refining alkali dregs based on super-gravity oxidation method
CN104593070A Refinery plant liquefied gas desulphurization device and refinery plant liquefied gas desulphurization method
CN103880722A Method for preparing high-purity diethyl disulfide
CN103571524A Device and method for removing cracking C5 total sulfur
CN103320157A Cracking C5 desulfurization agent composition
CN102949861A Rectification and purification device and rectification and purification method for disulphide recovery in refinery plant
CN102757809A Mercaptan removal and lye regeneration device and method for gasoline light fractions
CN102778513A Method for measuring organic sulfide content in gas
CN102757832A Device and method for removing hydrogen sulfide in liquefied petroleum gas
CN102671912A Oxidation regeneration device and method for caustic sludge containing NaSR
CN102557300A Device and treatment method for desulfurizing and neutralizing liquefied gas alkaline mud
CN102617297A Device and method for removing disulfide from methyl tertiary butyl ether (MTBE)
CN102618342A Solubilizer for removing thiol alkaline liquor
CN102345136A Chemical cleaning agent for clearing impurities such as ferrous sulfide
CN101940872A System and method for removing disulfide from regeneration exhaust gas of caustic fluid used in liquid gas sweetening process