Learn more

QINGYANG COUNTY YONGCHENG CALCIUM IND CO LTD

Overview
  • Total Patents
    45
  • GoodIP Patent Rank
    34,081
  • Filing trend
    ⇩ 100.0%
About

QINGYANG COUNTY YONGCHENG CALCIUM IND CO LTD has a total of 45 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, basic materials chemistry and chemical engineering are ZHEJIANG DEQING MULTI SINOX PIGMENT TECH CO LTD, UNITED CARBON COMPANY and FU JIANSHENG.

Patent filings in countries

World map showing QINGYANG COUNTY YONGCHENG CALCIUM IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 45

Patent filings per year

Chart showing QINGYANG COUNTY YONGCHENG CALCIUM IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Yongzhong 45

Latest patents

Publication Filing date Title
CN107285358A A kind of method that precipitated calcium carbonate is prepared based on lime stone
CN107500329A A kind of method based on gypsum waste production calcite
CN107446384A A kind of preparation method of composite calcium carbonate
CN107500330A A kind of preparation method of new calcite
CN107459320A A kind of limestone powder mineral compound material
CN107261812A A kind of method that calcium and magnesium double salt is prepared based on modification dolomite
CN107459841A A kind of preparation method of modified purity calcium carbonate
CN107285360A A kind of preparation method of precipitated calcium carbonate
CN107442506A A kind of cleaning method of lime stone building stones
CN107434855A A kind of preparation method of activated Calcium carbonate
CN107475769A A kind of preparation method for extracting calcium carbonate crystal whisker
CN107473637A A kind of novel lime stone and preparation method thereof
CN107473657A A kind of preparation method of dolomite compound material
CN107352570A A kind of preparation method of stratiform calcite calcium carbonate
CN107321485A A kind of method for separating of agstone
CN107473252A A kind of preparation method of flaky calcite calcium carbonate crystal
CN107285359A A kind of method that precipitated calcium carbonate is produced based on calcite
CN107337359A A kind of lime stone slag and stone powder waste material renovation process
CN107324369A A kind of preparation method of calcium carbonate fine powder
CN107321579A A kind of dolomite mineralization methods