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WENGFU DAZHOU CHEMICAL CO LTD

Overview
  • Total Patents
    48
  • GoodIP Patent Rank
    31,758
  • Filing trend
    ⇩ 33.0%
About

WENGFU DAZHOU CHEMICAL CO LTD has a total of 48 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, chemical engineering and basic materials chemistry are BOSSARD PETER R, ALGEMEENE NORIT MIJ and RAMESHNI MAHIN.

Patent filings in countries

World map showing WENGFU DAZHOU CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 48

Patent filings per year

Chart showing WENGFU DAZHOU CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Jun 21
#2 Ran Ruiquan 18
#3 Liu Hui 17
#4 Feng Yunfei 14
#5 Sun Yinglun 13
#6 Fu Yong 11
#7 Zhao Qiang 11
#8 Huang Guangzhu 11
#9 Liu Lifeng 11
#10 Ye Guocheng 10

Latest patents

Publication Filing date Title
CN110917717A Raffinate acid purification process
CN110937585A Production method of industrial-grade monoammonium phosphate
CN111003697A High-purity phosphoric acid bleaching process
CN110775952A Preparation process of food-grade potassium dihydrogen phosphate
CN110877901A Method and system for producing industrial-grade monoammonium phosphate and industrial-grade diammonium phosphate by wet-process phosphoric acid
CN110510591A A kind of high purity phosphorus hydrochlorate concentration technology
CN110577202A battery-grade phosphate preparation system and preparation process thereof
CN110817819A Wet-process phosphoric acid purification system and preparation process thereof
CN110681487A Iron removing system and preparation process thereof
CN110590409A System and process for preparing phosphate fertilizer from raffinate
CN110756182A Regeneration method of decoloring tower for wet-process phosphoric acid production
CN110590479A Composite phosphate fertilizer containing magnesium and zinc elements and preparation method thereof
CN110451470A Countercurrent washing system and method in a kind of wet method phosphoric acid manufacture process
CN110585782A Phosphoric acid slurry filtering system and phosphoric acid slurry filtering method
CN110548317A Flocculating agent and impurity sedimentation system suitable for wet-process phosphoric acid production
CN110540464A Zinc fulvate compound phosphate fertilizer and preparation method thereof
CN110483126A A kind of multielement compound phosphatic fertilizer and preparation method thereof
CN110467166A A kind of wet defluorination of phosphoric acid method
CN110482557A A kind of fluorine recovery system in phosphoric acid production technique
CN110482510A A kind of preparation process of food grade phosphoric acid hydrogen dipotassium