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SICHUAN YINHE CHEMICAL CO LTD

Overview
  • Total Patents
    56
  • GoodIP Patent Rank
    39,110
  • Filing trend
    ⇩ 16.0%
About

SICHUAN YINHE CHEMICAL CO LTD has a total of 56 patent applications. It decreased the IP activity by 16.0%. Its first patent ever was published in 2011. It filed its patents most often in China and United States. Its main competitors in its focus markets materials and metallurgy, environmental technology and surface technology and coating are GUANGXI GAOZHONG VALVE MFG CO LTD, CNMC GUANGXI PGMA CO LTD and 3R ENVIRONMENTAL TECH CO LTD.

Patent filings in countries

World map showing SICHUAN YINHE CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 54
#2 United States 2

Patent filings per year

Chart showing SICHUAN YINHE CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Ning 41
#2 Dong Mingfu 30
#3 Li Xianrong 27
#4 Wang Fangbing 18
#5 Huang Xiandong 18
#6 Huang Yuxi 16
#7 Xie Youcai 15
#8 Yuan Xiaochao 13
#9 Li Fengbin 8
#10 Ma Shunyou 7

Latest patents

Publication Filing date Title
CN111892087A Preparation method of strontium chrome yellow
CN111847512A Preparation method of zinc chrome yellow
CN111574356A Preparation method of chromium acetate hexahydrate
CN110963532A Method for preparing trivalent chromium salt by ferrochrome acid dissolution
CN110817960A Method for preparing chromium chloride hexahydrate by using sodium chromate
CN110980807A Method for producing chromium green by adopting basic chromium sulfate
CN110963531A Method for producing chromium sulfate by using β -menadione waste liquid
CN110422880A A kind of method of sodium dichromate electrolysis dechlorination
CN110482750A It is separated and recovered from the method using chromium in chromium-electroplating waste water
CN110482761A Utilize the method for aluminium etched foil waste water preparation sexavalence chromic acid liquor
CN109402658A A kind of method of chromium-containing sulfate, sodium bisulfate electrolytic regeneration soda
CN109265333A A kind of preparation method of β-menadione
CN109399720A The waste liqouor of by-product brown iron oxide containing chromium utilizes method in sodium dichromate wet processing
CN109354069A The method that the chromium acid sodium alkaline liquid of sodium dichromate wet processing production is reprocessed
CN108862385A The control method of partial size in a kind of production of chrome oxide green
CN108128810A The method for preparing micaceous iron oxide using the by-product slag containing ferrochrome of chromic salts wet processing
CN108101109A A kind of sodium, carbon, the system of recycle heat system production chromic salts series of products
CN108103521A A kind of method for improving electrolysis and preparing quality of chromic anhydride
CN107930171A Flash vessel for the discharging of high-temperature high-voltage reaction device
CN107902698A A kind of method for cleaning static continuous and automatic calcining production chrome oxide green