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HUADONG CHEMICAL ENGINEERING C

Overview
  • Total Patents
    12
About

HUADONG CHEMICAL ENGINEERING C has a total of 12 patent applications. Its first patent ever was published in 1985. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and chemical engineering are VSESOYUZNYJ NII ZHELEZNODOROZH, NISSAN GIRDLER CATALYST and UNIV MARII CURIE SKŁODOWSKIEJ.

Patent filings in countries

World map showing HUADONG CHEMICAL ENGINEERING Cs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing HUADONG CHEMICAL ENGINEERING Cs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Yuanfu Su 2
#2 Guozhen Qi 2
#3 Jiating Zhang 1
#4 Wang Chengming 1
#5 Xialin Zhu 1
#6 Fuguang Liu 1
#7 Wethuan Ge 1
#8 Zhang Chengfang 1
#9 Zanyun Zhou 1
#10 Al Xiao Wende Et 1

Latest patents

Publication Filing date Title
CN1070550A Alcohol process for concentrating soybean albumen by extrusion of tissue
CN1065412A High-efficient packing for catalytic rectification
CN1064227A Homogeneous phase-transfering catalyst for liquid and its production and use
CN1053220A Combined non-steady state SO2 converter
CN1014532B Combinative leaching and extracting method, leachex
CN1007261B Process for manufacturing synthesis gas from new born coal
CN1012942B Pipeline type diffuser
CN1003582B Separating ammonium of circular gas of synthesis by means of dilution of liquid ammonium
CN1003583B Extraction of gallium from strongly basic sodium aluminate solution
CN1009051B Extraction of liquid fumigating essence and pain relieving medicine from stone (kernel) of hawthorn
CN1003042B Process for synthesis of nitro-phenyl alkyl ether
CN1009085B Prepn. of sulfoxides