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SINOPEC GREAT WALL ENERGY AND CHEMICAL NINGXIA CO LTD

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    107,085
About

SINOPEC GREAT WALL ENERGY AND CHEMICAL NINGXIA CO LTD has a total of 16 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, chemical engineering and macromolecular chemistry and polymers are PEIFFER DENNIS G, TIANJIN GREEN KANE CHEMICAL TECH CO LTD and ASTOM CORP.

Patent filings in countries

World map showing SINOPEC GREAT WALL ENERGY AND CHEMICAL NINGXIA CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing SINOPEC GREAT WALL ENERGY AND CHEMICAL NINGXIA CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tang Yuan 11
#2 Zhou Daihong 8
#3 Zhang Min 8
#4 Ji Yanzhu 6
#5 Tang Yuhong 5
#6 Song Feng 4
#7 Guo Huijun 3
#8 Ding Tao 3
#9 Lang Yongfu 3
#10 Ma Wenzhong 2

Latest patents

Publication Filing date Title
CN112090374A Reaction kettle for preparing tetrahydrofuran by dehydrating 1, 4-butanediol and application thereof
CN111855534A Hydrogel film evaluation device for soilless culture and penetration diffusion performance evaluation method
CN111825937A Thermoplastic polyvinyl alcohol material and processing method thereof
CN111303463A Preparation method of thermoplastic processing formed high-strength high-water-resistance PVA hydrogel film
CN110694572A Equipment for degrading polytetrahydrofuran and recycling tetrahydrofuran and improved process
CN110698438A Method for preparing tetrahydrofuran by dehydrating 1, 4-butanediol under catalysis of solid catalyst
CN110618107A Method for analyzing molecular weight of polytetramethylene ether glycol by using near-infrared spectrometer
CN110437065A A kind of preparation method and application for flexible PVC environment-friendly plasticizer
CN110407689A A kind of preparation method of low molecular weight polytetrahydrofuran dibenzoate plasticiser
CN110437501A A kind of preparation method and application for PVA film environment-friendly plasticizer
CN110092711A A kind of formaldehyde separation method of butanol purifying technique
CN110193221A A method of cleaning polytetrahydrofuran device filter cloth for plate-frame type filter presses
CN109485293A A kind of composite cement grinding aid and its preparation method and application based on the preparation of BDO waste coke oil
CN109721484A A kind of system and device and preparation method thereof using polyvinyl alcohol by-product methyl acetate production acetic acid
CN109529432A BYD reactor metal membrane filter backwash control method
CN108503505A A method of preparing propilolic alcohol using Isosorbide-5-Nitrae-butynediols