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HUNAN CHANGLING PETROCHEMICAL TECHNOLOGY DEV CO LTD

Overview
  • Total Patents
    34
  • GoodIP Patent Rank
    152,885
About

HUNAN CHANGLING PETROCHEMICAL TECHNOLOGY DEV CO LTD has a total of 34 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, organic fine chemistry and materials and metallurgy are SHANGHAI RES INST PETROCHEMICAL TECHNOLOGY SINOPEC, INST KATALIZA SO AN SSSR and INUI SATOYUKI.

Patent filings in countries

World map showing HUNAN CHANGLING PETROCHEMICAL TECHNOLOGY DEV CO LTDs patent filings in countries
# Country Total Patents
#1 China 34

Patent filings per year

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

Top inventors

# Name Total Patents
#1 She Xichun 32
#2 Li Qinghua 19
#3 Xiang Minglin 13
#4 Huang Hua 12
#5 Li Hua 9
#6 Zhong Sheng 8
#7 Xie Qiongyu 7
#8 Yi Jiao 5
#9 Peng Weicai 4
#10 Tan Jun 3

Latest patents

Publication Filing date Title
CN104923293A O-cresol isomerization catalyst, preparing method of o-cresol isomerization catalyst and method for catalyzed synthesis of mixture of m-cresol and p-cresol through o-cresol isomerization catalyst
CN104946294A Coking method for improving liquid yield
CN104923237A Phenol ortho-position methylation catalyst and preparation method therefor as well as method for catalytically synthesizing phenol ortho-position methylation compound by using phenol ortho-position methylation catalyst
CN104830366A Method for enhancing crude oil distillation pull-out rate and improving residual oil properties
CN104927897A Direct coal liquefaction oil hydrogenation stabilization method
CN104926583A Crude benzene hydrogenation method and crude benzene hydrogenation purifying method
CN104927916A Coal tar hydrogenation processing method and coal tar processing method
CN104926616A Alkyl anthrahydroquinone production method and hydrogen peroxide production method
CN104926606A Method for purifying recycle alcohol solvent of olefin epoxidation process and olefin epoxidation method
CN104926643A Succinic acid production method
CN104926630A Alkyl anthrahydroquinone oxidation method and hydrogen peroxide production method
CN104628525A Preparation method of o-methylcyclohexanol
CN104629799A Method for producing high-grade road asphalt by blending catalytic slurry oil
CN104549541A Heavy oil catalytic cracking catalyst carrier and catalyst and preparation method thereof
CN104549419A Heavy oil catalytic cracking catalyst and preparation method thereof and heavy oil catalytic cracking method
CN104415762A Phenol substance ortho methylation catalyst, preparation method of phenol substance ortho methylation catalyst, and method for synthesizing ortho methylated phenol compounds
CN104418708A Preparation method of 2, 3, 6-trimethylphenol
CN104415761A Phenol ortho methylation catalyst, preparation method of phenol ortho methylation catalyst, and method for synthesizing o-cresol and 2, 6-xylenol
CN104418688A Method for separating and purifying isobutylene from mixed C4
CN103214365A Method for producing cyclohexyl acetate through benzene