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LI QUNZHU

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    135,252
About

LI QUNZHU has a total of 20 patent applications. Its first patent ever was published in 1993. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets basic materials chemistry, chemical engineering and environmental technology are TECH WERKE LUDWIGSHAFEN AG, SYNFUELS CHINA INNER MONGOLIA CO LTD and NIPPON KETJEN CO LTD.

Patent filings in countries

World map showing LI QUNZHUs patent filings in countries

Patent filings per year

Chart showing LI QUNZHUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Qunzhu 19
#2 Li Li 10
#3 Qunzhu Li 1

Latest patents

Publication Filing date Title
CN109609176A A kind of descending-bed reactor method for catalytic conversion of heavy oil and its device
CN109609174A A kind of descending-bed reactor hydrocarbons catalytic conversion method and its device
CN109609175A A kind of descending-bed reactor lighter hydrocarbons catalysis conversion method and its device
CN105820831A Method for cooling regeneration catalyst and equipment thereof
CN105820830A Method and device for circulating cold regenerated catalyst
CN101864325A Fluidization catalytic conversion feeding and reaction temperature control method
CN101838545A Fluid catalytic conversion feeding preheating and reaction temperature control method
CN101745349A Catalyst heat removal method and device therefor
CN1498670A Modified method of pressure swing adsorption
CN1463788A Absorber for increasing product recovery ratio in adsorbing process and use thereof
CN1240816A Process for purification to obtain high-purity synthetic gas by adsorption
CN1076384A Annular ring wave-shaped filler