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PUJING CHEMICAL INDUSTRY SHANGHAI LTD

Overview
  • Total Patents
    16
About

PUJING CHEMICAL INDUSTRY SHANGHAI LTD has a total of 16 patent applications. 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 HANGZHOU HI TECH FINE CHEMICAL CO LTD, INST NEFTEKHIM PROTSESSOV and MATSUYAMA SEKYU KAGAKU KK.

Patent filings in countries

World map showing PUJING CHEMICAL INDUSTRY SHANGHAI LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing PUJING CHEMICAL INDUSTRY SHANGHAI LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ji Yang 13
#2 Zhang Bo 10
#3 Luo Nianjun 10
#4 Mao Yanpeng 9
#5 Li Wei 8
#6 Wu Feiming 5
#7 Liu Gang 3
#8 Wu Wenzhang 3
#9 Zhang Suhua 2
#10 Liang Zheng 2

Latest patents

Publication Filing date Title
CN103524345A Product separation process for preparing methyl acrylate from methyl acetate
CN103524329A Method for synthesizing acrylic acid through acetylene carbonylation
CN103508878A Method for preparing high-purity glycolic acid crystals from methyl glycolate
CN103508832A Method for utilizing byproduct ethylene in preparation process of propylene from methanol or dimethyl ether
CN103372453A Catalyst for synthesis of methyl glycolate and preparation method thereof
CN103373925A Preparation method for methyl nitrite
CN103373899A Device and method for preparing ethanol through acetic acid or acetic ester catalytic hydrogenation reaction
CN103111325A Process for synthesizing vinyl acetate catalyst through acetylene method
CN102442887A Method for generating glycol through two-step catalytic hydrogenation reaction of oxalate
CN102225338A Composite carrier catalyst used for glycol and synthesized from hydrogenation of alkyl oxalate, and preparation method thereof
CN102211978A Method for synthesizing glycol by hydrogenation of dimethyl oxalate
CN102218320A Catalyst for hydrogenation, preparation method and application thereof
CN102218330A Supported catalyst used in selective synthesis, and preparation method and purpose thereof
CN101885683A Preparation method of C1-C4 alkyl nitrite and reaction equipment implementing same
CN101885479A Preparation method of dinitrogen trioxide and reaction equipment thereof
CN101830806A Method and device for co-producing dimethyl carbonate and dimethyl oxalate