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SHANGHAI WUJING CHEM CO LTD

Overview
  • Total Patents
    33
About

SHANGHAI WUJING CHEM CO LTD has a total of 33 patent applications. Its first patent ever was published in 2000. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are ALTAJSKIJ G TEKHN UNI, FUJIAN FYNEX TEXTILE SCIENCE & TECHNOLOGY CO LTD and TBEA XINJIANG SILICON CO LTD.

Patent filings in countries

World map showing SHANGHAI WUJING CHEM CO LTDs patent filings in countries
# Country Total Patents
#1 China 33

Patent filings per year

Chart showing SHANGHAI WUJING CHEM CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Zeng Yihong 8
#2 Gu Minglan 5
#3 Ye Xiaohe 4
#4 Xiaohe Ye 4
#5 Yihong Zeng 4
#6 Qi Jun 4
#7 Chen Dasheng 3
#8 Gao Shanlin 3
#9 Zhilong Cao 3
#10 Li Caiyun 3

Latest patents

Publication Filing date Title
CN102976919A Method for co-producing propionic acid during production of acetic acid
CN102103363A Method and device for detecting and controlling acetoacetic ester continuous reaction system on line
CN102093198A Method for producing acetic acid
CN102093196A Method for preparing carboxylic acid by carbonylation of alkanol and/or active derivative thereof
CN101880218A Dimethyl ether preparation technology by utilizing methanol dehydration and special equipment thereof
CN101514152A Preparation of acetylacetone by converting isopropenyl acetate by segmented temperature control method
CN101745354A Open reactive distillation pilot evaluating device
CN101745252A Constant-temperature liquid-liquid equilibrium separation unit
CN101745292A Multilevel open type turbine rotary disc agitated column for ketene continuous absorption and application thereof
CN101450892A Improved cracking gas heat utilization method and used material carburetor
CN101161624A Cracking gas carbon formation liquid removing method and carbon formation liquid remover
CN101392867A Method and device for charging dimethyl ether fuel for vehicle
CN101109758A Method for detecting dimethyl ether lower explosion limit
CN101050840A Equivalent distribution and transport method and device for easy air-slaking and easy coagulating material
CN1995001A A kind of useless acetic acid separated that produces from the low-pressure methanol carbonyl process is extracted the method for acetic acid and propionic acid
CN1996199A Method for adjusting pressure, flow rate, and components of gas using instrument group system and device therefor
CN101011717A Flanging process of saddle type lining and die
CN1903820A Analysis device
CN1865213A Low pressure device for synthesizing acetic acid by methanol carbonylation
CN1865215A Purification method for acetic acid synthesized by low pressure methanol carbonylation