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HENAN COAL CHEM IND GROUP INST

Overview
  • Total Patents
    33
About

HENAN COAL CHEM IND GROUP INST has a total of 33 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are MIN PROMY I TORGOVLI RF, UNIV SCIENCE AND TECNOLOGY LIAONING and UCHREZHDENIE ROSSIJSKOJ AKADEMII NAUK INST KHIM I T REDKIKH EHLEMENTOV I MINERAL NOGO SYR JA IM I V.

Patent filings in countries

World map showing HENAN COAL CHEM IND GROUP INSTs patent filings in countries
# Country Total Patents
#1 China 33

Patent filings per year

Chart showing HENAN COAL CHEM IND GROUP INSTs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Li Wucheng 15
#2 Zhang Xiuquan 15
#3 Jiang Yuanli 12
#4 Wucheng Li 10
#5 Wei Lingchao 10
#6 Yuanli Jiang 8
#7 Li Ning 8
#8 Jianchu Ding 8
#9 Ding Jianchu 7
#10 Li Feng 7

Latest patents

Publication Filing date Title
CN104345022A Method for directly testing permeability of underground coal seam
CN103396150A Method for preparing foam ceramic self-insulation wall material by utilizing solid wastes
CN103469366A Method used for preparing ultra-fine aluminium oxide fiber by electrospinning of pseudo-boehmite sol
CN103436463A Methylovorusglucosotrophus and application thereof
CN103396100A Preparation method of electrostatic spinning colloidal liquid for preparation of aluminum oxide ultrafine fibers
CN103484395A Bacterial strain used for preparing single-cell protein from methanol, and applications of bacterial strain
CN103254880A Gas-extraction hole-sealing material
CN103967444A Gas extraction hole drilling hole sealing technology in manner of two-end self-blocking and under pressure
CN103833782A Alcoholysis technology of chlorosilane
CN102716744A Preparation method for synthesizing copper-based catalyst by sol-gel ammonia still process
CN102660337A Method for preparing novel clean synthetic diesel oil
CN102533358A Clean environment-friendly dimethyl carbonate diesel and preparation method thereof
CN102600863A Palladium-copper-based catalyst used for synthesizing oxalate, and preparation method thereof
CN102621050A Method for confirming fluid loss coefficients based on geology strength index
CN102502742A Method for preparing high-whiteness aluminium hydroxide micropowder from Bayer process sodium aluminate solution
CN102430421A Catalytic agent for synthesizing oxalic ester and preparing method thereof
CN102441405A Catalyst used for gas-phase synthesis of oxalate ester and its preparation method
CN102352769A Integrated mining method for commonly mining coal and gas of high mine
CN102407111A Catalyst for oxalate synthetic reaction and preparation method thereof
CN102392678A Gas drainage method combining surface and underground fracturing and permeability improvement