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HUNAN CHANGLING PETROCHEMICAL S & T DEV CO LTD

Overview
  • Total Patents
    11
About

HUNAN CHANGLING PETROCHEMICAL S & T DEV CO LTD has a total of 11 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are TAILONG ELECTRONIC KUNSHAN CO LTD, FEDERAL NOE G OBRAZOVATEL NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL NOGO OBRAZOVANIJA BELGORODSKAJA G S and CHANGSHU NEW LIANGWEN FUYA AGRICULTURE DEV CO LTD.

Patent filings in countries

World map showing HUNAN CHANGLING PETROCHEMICAL S & T DEV CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing HUNAN CHANGLING PETROCHEMICAL S & T DEV CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Wei Wang 3
#2 Xichun She 3
#3 Xiaoju Wu 3
#4 Hua Li 3
#5 She Xichun 3
#6 Chijian He 3
#7 Rongwei Lin 3
#8 Jizao Gao 3
#9 Lianyou Hu 2
#10 Zhu Fangming 2

Latest patents

Publication Filing date Title
CN103193596A Method for synthetizing 2,3-butanediol
CN103193636A Method for synthetizing 2,3-butanediol ester
CN102320910A Crude benzene hydrogenation method
CN101844976A Method for preparing butanedioic acid under catalytic hydrogenation
CN101712889A Method for preparing light aromatics from coal tar
CN101712888A Hydrofining technology of heavy benzol
CN101513614A Phenol ortho-methylation catalyst and preparation method thereof
CN101514144A Method for preparing o-cresol
CN101328158A Method for synthesizing butyl oxide linkage
CN101279897A Method for synthesizing butanediol ethere
CN101279959A Method for synthesizing epoxypropane