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CHANGSHA DESIGN & RES INST OF MINISTRY CHEMICAL IND

Overview
  • Total Patents
    46
  • GoodIP Patent Rank
    110,042
About

CHANGSHA DESIGN & RES INST OF MINISTRY CHEMICAL IND has a total of 46 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 environmental technology and materials and metallurgy are GORSKIJ G AGRARNYJ UNI, QUANJIAO TIANRUN ECOLOGICAL FARMING PROFESSIONAL COOP and VSEROSSIJSKIJ NII LESOVODSTVA.

Patent filings in countries

World map showing CHANGSHA DESIGN & RES INST OF MINISTRY CHEMICAL INDs patent filings in countries
# Country Total Patents
#1 China 46

Patent filings per year

Chart showing CHANGSHA DESIGN & RES INST OF MINISTRY CHEMICAL INDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tang Jianliang 16
#2 Zheng Xianfu 11
#3 Sun Chenggao 11
#4 Gao Wenyuan 7
#5 Xie Chao 7
#6 Dai Binlian 7
#7 Shen Jun 6
#8 Ji Rong 6
#9 Deng Shushen 6
#10 Tong Deyu 5

Latest patents

Publication Filing date Title
CN103953008A Modified mixed dam applicable to tailings ponds
CN103953389A Tachydrite-layer-contianing carnallite type potassic salt ore goaf filling method
CN103939132A Continuous automatic ore deposit underground mining and conveying method
CN103939080A Method for exploiting multi-layer underground carnallite seam by adopting oil pad method
CN103864496A Technology for preparing potash fertilizer with potash feldspar
CN103864472A Technology for preparing potash fertilizer from potassium feldspar-decomposed mother liquor employing adsorption method
CN103819228A Method for preparing potash fertilizer and alumina silicate from potash feldspar
CN103937976A Method used for preparing dissoluble potassium via decomposition desilication of potash feldspar
CN103848442A Technology for preparing potassium sulphate and calcium silicate by using mixed mother liquor of sodium potassium silicate
CN103771910A Method for producing instant potassium sulfate
CN103882871A Rapid construction method for seepage-proof dam of salt pan
CN103739039A Multi-dimensional electric catalytic equipment
CN103741702A Rigid plugging method for mine tailings pond drainage well
CN103741703A Water-filling type siphon drainage device applicable to radioactive well
CN103741704A Water-filling type siphon drainage device applicable to radioactive well
CN103695638A Dephosphorization iron upgrading production process of low-grade oolitic high phosphorus hematite
CN103614986A Free surface flow water inflow method suitable for draining off floodwaters of tailing pond
CN103590848A Brattice-less machine stand ventilation performance study device and method
CN103590067A Method for removing organic nitrogen from salt water
CN103588227A Production process for removing magnesium by mixing and steaming of sodium sulfate decahydrate and old brine in salt lake