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Zhejiang quhua fluorine chemical co ltd

Overview
  • Total Patents
    26
  • GoodIP Patent Rank
    90,671
  • Filing trend
    ⇩ 60.0%
About

Zhejiang quhua fluorine chemical co ltd has a total of 26 patent applications. It decreased the IP activity by 60.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, basic materials chemistry and chemical engineering are ZHEJIANG QUHUA FLUOR CHEMISTRY CO LTD, NAPPA MARIO JOSEPH and RAO VELLIYUR NOTT MALLIKARJUNA.

Patent filings in countries

World map showing Zhejiang quhua fluorine chemical co ltds patent filings in countries
# Country Total Patents
#1 China 26

Patent filings per year

Chart showing Zhejiang quhua fluorine chemical co ltds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Yan 23
#2 Zhao Yang 17
#3 Yang Bo 17
#4 Hong Jiangyong 13
#5 Zhou Huadong 12
#6 Lei Jun 11
#7 Ouyang Hao 9
#8 Gong Haitao 7
#9 Su Gang 5
#10 He Huilong 5

Latest patents

Publication Filing date Title
CN112125777A Method for coproducing hydrofluorocarbons
CN112047803A Method for synthesizing difluoromethane by gas phase catalysis
CN111944489A Composition containing fluorohydrocarbon and preparation method thereof
CN110699042A Composition of fluoroolefin and fluoroalkane
CN109180466A A kind of photooxidation preparation method of haloacetyl chloride
CN108993553A A kind of catalyst and its preparation and application for the gas phase chlorination production fluoro- 2,2- dichloroethanes of 1,1,1- tri-
CN108359121A A kind of azeotropic and Azeotrope-like compositions
CN107721809A A kind of co-production of 2,3,3,3 tetrafluoropropene and trans 1,3,3,3 tetrafluoropropene
CN107522592A A kind of method of a variety of alkenyl halides of coproduction and fluoric ether
CN107324968A A kind of method of coproduction low-carbon foaming agent
CN106966856A A kind of preparation method of the butylene of 1,1,1,4,4,4 hexafluoro 2
CN106750488A A kind of low-carbon environment-friendly foaming agent
CN106833536A A kind of refrigerant composition earl august eugene lund ian robert containing HF hydrocarbon
CN104785170A Reactor and method for preparing methane chloride by liquid phase method
CN104496746A Method for simultaneously preparing 1,1,1,2,2-pentachloropropane and 2,3,3,3-tetrachloropropene
CN104151131A Preparation method of HFO (hydrofluoroolefin)-1234yf
CN104016305A Method for recovering hydrogen fluoride from hydrogen fluorine hydrocarbon crude product
CN103881131A Environment-friendly foaming agent composition
CN103611525A Catalyst for producing pentafluoroethane through vapor phase method and preparation method thereof
CN103524296A Preparation method of 1,1,2,3-tetrachloropropene