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HUNAN CHANGLING PETROCHEMICAL TECH DEVELOPMENT CO LTD

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    69,463
  • Filing trend
    ⇩ 60.0%
About

HUNAN CHANGLING PETROCHEMICAL TECH DEVELOPMENT CO LTD has a total of 24 patent applications. It decreased the IP activity by 60.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, chemical engineering and basic materials chemistry are NICHOLAS CHRISTOPHER P, SASOL TECH (PROPRIETARY) LIMITED and NESTERENKO NIKOLAI.

Patent filings in countries

World map showing HUNAN CHANGLING PETROCHEMICAL TECH DEVELOPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 24

Patent filings per year

Chart showing HUNAN CHANGLING PETROCHEMICAL TECH DEVELOPMENT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 She Xichun 22
#2 Xiang Minglin 13
#3 Ao Bo 11
#4 Wang Yongjun 11
#5 Du Peng 10
#6 Zhou Dongjing 10
#7 Shen Pengfei 7
#8 Huang Hua 7
#9 Xie Qiongyu 6
#10 Yao Fei 5

Latest patents

Publication Filing date Title
CN111960927A Method for preparing 3,3',5,5' -tetraalkyl-4, 4' -biphenol by catalytic hydrogenation
CN111960982A Synthetic method of aromatic aziridine crosslinking agent
CN110845101A Oily sludge harmless treatment system and treatment method thereof
CN110841650A Non-noble metal catalyst for selective hydrogenation and olefin removal of reformate, and preparation method and application thereof
CN110354858A A kind of alcoholic solvent Hydrobon catalyst of epoxidation reaction of olefines process and its preparation method and application
CN110496611A Alumina support and preparation method thereof and catalyst and preparation method thereof and the method for reducing diene content in hydrocarbon ils
CN110437067A The method for preparing cyclohexane cyclohexanedimethanodibasic ester
CN110437033A The method for producing 1,4 cyclohexane dimethanol
CN110093181A Catalytic cracked oil pulp takes off solid method
CN107876037A Solid base catalyst, its preparation method, application and the method that dihydric alcohol diacetate is prepared using its catalysis
CN109746039A A kind of multi-stage porous Si-Al catalysis material and its preparation method and application
CN109694653A The production method of highly hydrogenated rosin
CN107649147A Hydrogenation catalyst, its application and the method for preparing cis-pinane using its catalysis α pinene hydrogenation
CN109504427A The method and system of sump oil purification processing
CN109504469A Purify the method and system of dust-laden, aqueous high-temperature oil gas oil recovery
CN109420492A A kind of hydrogenation catalyst and its preparation method and application and a kind of method of phenols hydrogenation reaction
CN108940273A A kind of hydrogenation catalyst and its preparation method and application and a kind of hydrogenation processes
CN108940305A The production method and ester through hydrogenation catalyst of the preparation method and cyclohexanedimethanol of hydrogenation catalyst and cyclohexane cyclohexanedimethanodibasic dibasic ester
CN108285430A Preparation method of the hydrogen peroxide to Meng's alkane
CN108250009A To the preparation method of Meng's alkane