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Dalian zhongding chemical co ltd

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    85,231
  • Filing trend
    ⇩ 50.0%
About

Dalian zhongding chemical co ltd has a total of 20 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, chemical engineering and environmental technology are AZOTE CIE, SICHUAN TECHAIRS CO LTD and RAMESHNI MAHIN.

Patent filings in countries

World map showing Dalian zhongding chemical co ltds patent filings in countries
# Country Total Patents
#1 China 20

Patent filings per year

Chart showing Dalian zhongding chemical co ltds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhao Lin 18
#2 Qiu Changchun 18
#3 Yu Yang 17
#4 Yue Yun 13
#5 Liu Zhichao 9
#6 Gao Song 9
#7 Qiu Haoming 9
#8 Zheng Chenda 8
#9 Jin Wanyu 7
#10 Liu Wannan 7

Latest patents

Publication Filing date Title
CN111389169A Device and method for recovering high-purity ammonia from compound semiconductor tail gas
CN110280206A A kind of multi-functional adsorbent and preparation method thereof, application
CN110282608A A kind of purification devices and its technique for nitrogen, oxygen, argon gas and helium
CN110302600A A kind of gas purification apparatus
CN110354633A A method of it is purified for hydrogen, argon gas and helium
CN110302630A A kind of purification devices and its technique for purified gases preparation hyperpure gas
CN110302631A The purification devices and its technique of a kind of argon gas that can replace adsorption column online, helium and hydrogen
CN110368751A A kind of quick heating purified device of gas
CN110345635A A kind of gas heater
CN109437234A A kind of compound semiconductor epitaxial tail gas recycling device and method
CN108545700A A kind of preparation facilities and method of ultrapure hydrogen chloride
CN107399718A A kind of ultra-pure oxygen, nitrogen purification method
CN107434243A A kind of superelevation pure hydrogen, argon gas, helium purification process
CN107311122A A kind of iron and steel metallurgical industry high throughput nitrogen purifier and method
CN107434242A Purifying hydrogen of hydrogen prepares high-purity and superelevation pure hydrogen process from coal gas
CN106145037A The device of hydrogen and the method for High Purity Hydrogen processed is reclaimed from silicon epitaxial furnace emptying end gas
CN106139890A Cold-rolled steel sheet heat treatment nitrogen hydrogen mixed tail gas reclaims the apparatus and method purifying
CN105784794A Method for calibrating hydrogen concentration of hydrogen-rich water by redox potential
CN105776161A Recovery method of cooling helium introduced into optical fiber cooling pipe in optical fiber production process
CN105776136A Device and method used for recycling hydrogen from chlor-alkali industry vented tail gas and preparing high purity hydrogen