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ZHU ZUOYUAN

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    233,452
About

ZHU ZUOYUAN has a total of 20 patent applications. Its first patent ever was published in 2003. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are DERMATINA, XIAOHUA CHEN and HEYBERGER ALES.

Patent filings in countries

World map showing ZHU ZUOYUANs patent filings in countries
# Country Total Patents
#1 China 20

Patent filings per year

Chart showing ZHU ZUOYUANs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Zhu Zuoyuan 20
#2 Zhang Yong 1

Latest patents

Publication Filing date Title
CN105195120A Method for preparing photocatalysis porous silica gel microspheres special for sewage purification and application technology of photocatalysis porous silica gel microspheres
CN102992396A New method for preparing nano titanium dioxide by alcoholysis of titanium tetrachloride
CN102976371A Preparation method for high purity ultrafine alumina powder through aluminum alkoxide hydrolysis method
CN101016166A Process of preparing H2TiO3 by solvent extraction TiCl4 method
CN101016172A Preparing process for nano alpha-Fe2O3 by glycerin atmosphere pressure crystallization method
CN101016163A Technique of preparing barium hydroxide by shaft kiln calcination witherite
CN101016168A Preparing process for TiO2 nano power by glycerin atmosphere pressure crystallization method
CN101016171A Preparation process for high-purity alpha-Fe2O3 by ferrous sulfate-ammonium carbonate method
CN101016170A Preparation process for manganese salt by hydrochloric acid-magnesium oxide rotation method
CN101016162A Technique of preparing high-purity strontium salt by ion exchange purification method
CN101016165A Preparing process for nanometer zinc oxide by glycerin atmosphere pressure crystallization method
CN101016167A Process of preparing high-purity TiCl4 by preheating chlorine gas low-temperature chlorination method
CN101016160A Preparation technique for high-purity MgO, Mg(OH)2 and MgCO3 by ammonium salt rotation method
CN101016169A Preparation technique for high-purity manganese carbonate by ammonium salt rotation method
CN1884086A Technology for combined production of barium chloride, potassium carbonate, potassium sulfate, and hydrochloric acid by potassium chloride method
CN1884098A Technology for producing manganese sulphate by gypsum and ammonia circulation method
CN1597977A Nove resources comprehensive wtilizing cleaning production technology for extracting gleditsin from yellow ginger by multi-enzyme process
CN1493533A Yellow ginger acid spliting waste water resource utilization technique
CN1570131A Polyzyme method turmeric extracted saponin and yeast essence joined production process
CN1570132A Polyzyme method yam extracted saponin and wine preparing process