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SHANDONG DONGYUE CHEMICAL CO L

Overview
  • Total Patents
    14
About

SHANDONG DONGYUE CHEMICAL CO L has a total of 14 patent applications. Its first patent ever was published in 2005. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and basic materials chemistry are AKTYUBINSK OTDEL KAZAK NI GEOL, OIL PROD TECH INST SHENGLI OIL and KAZAKHSK NII MINERALNOGO.

Patent filings in countries

World map showing SHANDONG DONGYUE CHEMICAL CO Ls patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing SHANDONG DONGYUE CHEMICAL CO Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Feng Pang 8
#2 Xin Wang 7
#3 Sun Sen 6
#4 Xiuyuan Yu 6
#5 Jinzheng Hu 4
#6 Shuwei Song 3
#7 Xigong Zhang 2
#8 Na Li 2
#9 Zhiyong Zhou 2
#10 Wucheng Zhang 2

Latest patents

Publication Filing date Title
CN101735774A Environmental-protection refrigerating agent replacing R410A
CN101775268A Refrigerant compound for substituting for R410A
CN101671542A Refrigerant composition
CN101671543A Environment-friendly refrigerant
CN101245238A Refrigerant capable of directly filling to substitute R22
CN101214925A Technique and device for producing anhydrous hydrogen fluoride
CN101182408A Ternary mixed refrigerant composition
CN101020812A Environment protection refrigerant composition
CN101020813A Refrigerant composition
CN1994985A 1,1-difluoroethane production process
CN1994987A Difluoro-methane production process
CN1962584A A kind of 1,1, the preparation method of 1-Halothane
CN1931431A Catalyst for 1,1-difluoroethane producing vapor process
CN1931429A Catalyst for difluoromethane preparing vapor process and its prepn process