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HUNAN HENGGUANG CHEMICAL CO LTD

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    99,162
About

HUNAN HENGGUANG CHEMICAL CO LTD has a total of 21 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, materials and metallurgy and thermal processes are XINGMIN TECH ZHUZHOU CO LTD, BEIJING GEN RES INST MINING and NI PI OBOGASHCHENIYA MEKH OBRA.

Patent filings in countries

World map showing HUNAN HENGGUANG CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

Chart showing HUNAN HENGGUANG CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ouyang Biao 4
#2 Zeng Weixing 4
#3 Chen Ying 3
#4 Yin Zhanping 3
#5 Weixing Zeng 2
#6 Chen Jianguo 1
#7 Cao Lixiang 1
#8 Wei Zhongyu 1
#9 Yang Sicai 1
#10 Zhang Haibo 1

Latest patents

Publication Filing date Title
CN109928370A A kind of technique that sulfur dioxide flue gas prepares the high-purity sodium sulfite of producing sulfuric acid and jointly
CN109665549A A kind of technique preparing calcium aluminum hydrotalcite using carbon dioxide
CN106799075A A kind of extraction equipment
CN106801140A The new technology of Iron concentrate is produced using sulfate slag
CN106757134A A kind of production technology of anti-caking sodium chlorate
CN106480314A A kind of Application way of sulfuric acid iron ore relieving haperacidity waste residue
CN106475217A A kind of method that high sulfur content troilite reclaims high-quality iron ore
CN106800341A A kind of waste water reclaiming device
CN106483167A A kind of Iron concentrate grade detection method
CN106801004A A kind of fermentation tank
CN106744713A A kind of removal of impurities acid-making process of arsenic-containing pyrite
CN106755698A A kind of application process of Iron concentrate
CN106744717A A kind of heat recovering process of pyrite-based sulfuric acid production
CN106800278A A kind of control system for smelting production sulfuric acid
CN106800342A A kind of sewage-treatment plant
CN106734047A A kind of sulfuric acid iron ore slag method of comprehensive utilization
CN106800321A A kind of process units that can process waste water
CN103570046A Process for preparing high-purity sodium sulfite through sulfuric acid production industrial exhaust
CN102671742A Process for grinding ferrous sulfate monohydrate
CN102674473A Process for preparing ferric oxide red by adopting iron vitriol