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CHIFENG RUIYANG CHEMICAL CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    144,281
  • Filing trend
    0.0%
About

CHIFENG RUIYANG CHEMICAL CO LTD has a total of 12 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, materials and metallurgy and chemical engineering are SINOPHARM CHEMICAL REAGENT CO LTD, FUNDAMENTAL RES COMPANY and ZHEJIANG LINJIANG CHEMICAL CO LTD.

Patent filings in countries

World map showing CHIFENG RUIYANG CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing CHIFENG RUIYANG CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Quan Hongdong 9
#2 Liu Quan 8
#3 Peng Zhizhong 7
#4 Li Quan 7
#5 Li Hongyan 4
#6 Ye Luqian 4
#7 Li Wanzhong 4
#8 Xiao Lin 3
#9 Tang Yiqian 3
#10 Chen Guanghong 3

Latest patents

Publication Filing date Title
CN112174930A Preparation method of 5-ethyl-1,3-dioxane-5-methanol
CN112062659A Method for producing tripentaerythritol with purity of more than 90 percent
CN111960931A Production method of 95-grade dipentaerythritol
CN111410601A Method and device for extracting ditrimethylolpropane from trimethylolpropane heavy component
CN111499493A Continuous condensation method and device for monopentaerythritol, dipentaerythritol and tripentaerythritol
CN111056938A Purification method and purification device for pentaerythritol byproduct crude sodium formate
CN110878005A Continuous condensation process of trimethylolpropane and ditrimethylolpropane
CN109438182A A kind of production system and its production technology of 99 grades of pentaerythrites
CN107162021A A kind of sodium sulphate process for refining containing organic matter
CN106517103A Sodium hydrosulfite synthesizing and continuous producing method
CN104829442A Method of producing calcium formate with sodium formate as raw material
CN104829443A Method of producing calcium formate with calcium chloride and sodium formate