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QUZHOU DINGSHENG CHEMICAL & TECH CO LTD

Overview
  • Total Patents
    31
  • GoodIP Patent Rank
    51,393
  • Filing trend
    ⇩ 35.0%
About

QUZHOU DINGSHENG CHEMICAL & TECH CO LTD has a total of 31 patent applications. It decreased the IP activity by 35.0%. 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, chemical engineering and environmental technology are WENG FU GROUP CO LTD, HEINKEL E M KG and WEST VIRGINIA UNIV RESEARCH CORPORATION.

Patent filings in countries

World map showing QUZHOU DINGSHENG CHEMICAL & TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 31

Patent filings per year

Chart showing QUZHOU DINGSHENG CHEMICAL & TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ying Shengrong 30
#2 Jiang Zhan 24
#3 Ying Yue 22
#4 Zhou Zhenfeng 11
#5 Dong Hanjie 8
#6 Wen Tao 7
#7 Wang Haiyue 1

Latest patents

Publication Filing date Title
CN112047303A Recovery processing method for fluorine-containing and nitric acid-containing mixed waste acid
CN112028040A Method for recycling fluorine-containing waste liquid
CN111701559A Horizontal reaction unit suitable for calcium fluoride farine preparation hydrogen fluoride
CN111153387A Method and equipment for recovering fluorine-containing waste liquid of acid-washed coal
CN111068597A Flow controller and method for controlling flow thereof
CN110683709A Zero-discharge treatment method for fluorine-containing wastewater
CN108840358A A kind of devices and methods therefor preparing aluminum fouoride
CN109019984A A kind of method and system recycling efficient resource from glass thinning acid pickle
CN108821295A The method that amorphous silica prepares ultrapure quartz sand
CN108793176A The method for preparing ultrapure quartz sand as raw material using ocratation
CN108675310A The method for preparing ultrapure quartz sand as raw material using fluosilicic acid
CN108821294A The method for preparing ultrapure quartz sand as raw material using common quartz sand
CN108579116A A kind of bead tube, rectifying column and rectifying plate
CN108217599A A kind of reaction unit that hydrogen fluoride is prepared suitable for calcirm-fluoride
CN108269173A A kind of network lease vehicle method, acquisition methods and its system based on cloud computing
CN107601434A A kind of method and apparatus that hydrogen fluoride is prepared by fluosilicic acid
CN107834046A The preparation method and its consersion unit of ternary material precursor
CN107540234A A kind of method that glass thinning system is discharged without spent acid without glass dregs
CN107603749A Cleaning fluid and its application for acid-etched glass slag
CN107500249A The method of the comprehensive utilization of acid-etched glass slag