Learn more

DONGYING HI TECH SPRING CHEMICAL IND CO LTD

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    117,381
  • Filing trend
    ⇧ 350.0%
About

DONGYING HI TECH SPRING CHEMICAL IND CO LTD has a total of 15 patent applications. It increased the IP activity by 350.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, environmental technology and chemical engineering are ZIBO QIXIANG TENGDA CHEMICAL CO LTD, BTC PHARMACEUTICALS TECH CO LTD and HALCON INTERNATIONAL INC.

Patent filings in countries

World map showing DONGYING HI TECH SPRING CHEMICAL IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing DONGYING HI TECH SPRING CHEMICAL IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Teng Wenbin 12
#2 Wang Chunmei 11
#3 Du Guiqiang 9
#4 Hao Xiaojun 8
#5 Liu Bowen 6
#6 Yan Zengwei 5
#7 Song Shijing 4
#8 Zhu Xiulin 3
#9 Lin Hai 2
#10 Wu Leilei 2

Latest patents

Publication Filing date Title
CN111533728A Preparation method of vinyl sulfate
CN111454152A Preparation method and preparation device of electronic grade dimethyl carbonate
CN111004203A Purification method and purification device for electronic-grade ethylene carbonate
CN109608331A The preparation method of solid super acid catalyst and preparation method thereof, isononyl isononanoate
CN109212106A Be heated easy decomposed substance or the gas chromatography analysis method containing micro target substance
CN109294529A Coolant, automobile cooling and preparation method thereof
CN110857274A Preparation method and device of dioctyl carbonate
CN110759808A Production process and production system of 1, 3-butanediol
CN110724035A Purification method and purification system of vicinal diol compound
CN110724116A Preparation method and production system of vicinal diol compound
CN110655454A Method and system for preparing dipropylene glycol with high selectivity
CN110655499A Method and system for purifying battery-grade vinylene carbonate by adopting falling film crystallization coupled rectification
CN109422624A A kind of preparation method of 1,3 butylene glycol
CN109422635A A kind of preparation method of 1,3 butylene glycol
CN101906020A Novel process for purifying 1,2-propylene glycol by ester exchange method