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CHANGLING PETRO CHEMICAL ENGINEERING DESIGN CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    179,868
About

CHANGLING PETRO CHEMICAL ENGINEERING DESIGN CO LTD has a total of 14 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, environmental technology and materials and metallurgy are WIMMER THEODOR, ENDICOTT BIOFUELS II LLC and LU XINUO.

Patent filings in countries

World map showing CHANGLING PETRO CHEMICAL ENGINEERING DESIGN CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing CHANGLING PETRO CHEMICAL ENGINEERING DESIGN CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Genzhong 8
#2 Kuang Xiaohui 7
#3 Yang Jin 6
#4 Genzhong Li 4
#5 Wu Bin 4
#6 Wang Meng 4
#7 Daiyu Li 3
#8 Meng Wang 2
#9 Dapeng Li 2
#10 Jiyun Yang 2

Latest patents

Publication Filing date Title
CN105233517A Built-in falling film-type reboiler rectification tower and rectification method thereof
CN105176557A Device and method for desalting coal tar and recovering phenol
CN105169734A Vacuum rectification device and rectification method thereof
CN104926588A Method of separating 2-butene in C-4 olefin and system of separating 2-butene in C-4 olefin
CN104911033A Preparation device for biodiesel and method for preparing biodiesel by utilization of preparation device
CN104862081A Device for preparing fatty glyceride through acidic oil esterification and method for preparing fatty glyceride through device
CN104649308A Device for synthesizing aluminum sulfate and method for synthesizing aluminum sulfate by using same
CN103865567A Recycle hydrogen desulfurization system and method
CN103033242A Static weighing control method
CN102701917A Method for synthesizing MTBE (methyl tert-butyl ether) by reaction of mixed C4 with low isobutene content and methanol
CN102585899A Full liquid phase hydrogenation method of coal tar
CN102584576A Method and device for purifying tert-butyl acetate by using partition wall column
CN101928594A Method for removing impurities from coal tar heavy oil
CN101864327A Coal tar hydrogenation modification method