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SHIJIAZHUANG HUALAI DINGSHENG TECH CO LTD

Overview
  • Total Patents
    35
  • GoodIP Patent Rank
    44,224
  • Filing trend
    ⇧ 850.0%
About

SHIJIAZHUANG HUALAI DINGSHENG TECH CO LTD has a total of 35 patent applications. It increased the IP activity by 850.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry and macromolecular chemistry and polymers are SHENGLI OILFIELD SHENGLI CHEMICAL CO LTD, BEIJING SHIDABOCHENG TECH CO LTD and CHISSO PETROCHEMICAL CORP.

Patent filings in countries

World map showing SHIJIAZHUANG HUALAI DINGSHENG TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 35

Patent filings per year

Chart showing SHIJIAZHUANG HUALAI DINGSHENG TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhao Xiuping 35
#2 Chen Li 35
#3 Zheng Xiong 6
#4 Wang Yongqiang 4
#5 Cao Jiao 4
#6 Chen Zhiqiang 2
#7 Song Weiguo 1
#8 Cheng Xianhui 1

Latest patents

Publication Filing date Title
CN111574973A Three-water-retention-based drilling fluid system
CN111234788A Wall-fixing agent modified resin polymer for drilling fluid
CN111234789A Filtrate reducer acrylamide/acrylic acid copolymer for drilling fluid
CN110951467A Coating agent multipolymer for drilling fluid
CN110724503A High-temperature salt-resistant filtrate reducer modified gum resin for drilling fluid
CN110591669A Diluent silicon ether polymer for drilling fluid
CN110669481A Salt-resistant filtrate reducer modified gum resin for drilling fluid
CN110358511A Drilling fluid coating agent polymeric hardener resin
CN110105929A Solid lubricant for well drilling liquid polysaccharid derivative
CN109233760A Drilling fluid fluid lubricant polyol esters of fatty acids and preparation method thereof
CN109370544A Drilling fluid inhibition lubricant ether polymer and preparation method thereof
CN109370545A Drilling fluid inhibition lubricant natural fatty alcohol analog copolymer and preparation method thereof
CN109401734A Fluid loss additive for boring fluid macromolecule polyester object and preparation method thereof
CN109233757A Drilling fluid sealing agent methyl silicon resin quasi polymer and preparation method thereof
CN109096439A Bionical Native Gel of tackifier for drilling fluid and preparation method thereof
CN108893100A Drilling fluid lubrication inhibitor nanometer ester group hydrate and preparation method thereof
CN109181658A Fluid loss additive for boring fluid acrylamide/acrylic acid copolymer and preparation method thereof
CN109054781A Drilling fluid diluent silicon ether polymer and preparation method thereof
CN109054777A Solid lubricant for well drilling liquid polysaccharid derivative and preparation method thereof
CN109021943A Drilling fluid salt resistant filter loss reduction agent modified gum resin and preparation method thereof