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CHONGQING MINFENG CHEMICAL CO LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    179,425
  • Filing trend
    ⇩ 100.0%
About

CHONGQING MINFENG CHEMICAL CO LTD has a total of 18 patent applications. It decreased the IP activity by 100.0%. 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 and materials and metallurgy are SOC MINIERE ET METALLURGIQUE DE PENARROYA, ELDORADO MINING & REFINING LTD and CALIFORNIA NICKEL CORP.

Patent filings in countries

World map showing CHONGQING MINFENG CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 18

Patent filings per year

Chart showing CHONGQING MINFENG CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yu Bing 7
#2 Wang Zengxiang 7
#3 Zhang Chunmei 5
#4 Daijian Yuan 5
#5 Quan Fubing 5
#6 Sang Hongqi 5
#7 Yuan Daijian 4
#8 Xie Jiyun 4
#9 Lu Yongchuan 3
#10 Zhang Kun 3

Latest patents

Publication Filing date Title
CN111573732A Treatment process for eliminating sodium bichromate agglomeration
CN110408787A A kind of Leaching of Vanadium from Vanadium slag technique
CN110423891A A kind of vanadium slag dissolution fluid conversion process
CN110408799A A kind of vanadium slag dissolution fluid process for extracting vanadium
CN107720824A A kind of K3 raffinates sulfur method prepares chrome green technique
CN107572587A A kind of K3 raffinates ammonium method prepares chrome green technique
CN104805288A Process method for recovering chromium and aluminum by comprehensively utilizing waste aluminum residues
CN104760997A Production method of sodium chromate with alkali liquid circulation and liquid phase oxidization
CN103193275A Method for preparing potassium ferrate
CN102505078A Process for detoxifying and removing sodium from chromic slag through alkaline method
CN102320661A Three-phase catalytic oxidation preparation technology of soluble chromate
CN102275992B Two-stage roasting method for chromite
CN102320685A Processing method of sodium bisulfate waste liquid in chromic anhydride preparation process
CN102190330A IV-effect evaporation process of sodium bichromate
CN102320697A Desulfuration process for chromate waste water
CN102229455A Process for processing chromate-containing waste water
CN102212626A Chromium slag steel-making detoxifying process
CN102275991B Method for preparing chrome green by two-stage process