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JILIN DESIGNING INST CNPC NORTHEAST REFINING & CHEM ENG CO LTD

Overview
  • Total Patents
    42
  • GoodIP Patent Rank
    55,194
  • Filing trend
    ⇩ 28.0%
About

JILIN DESIGNING INST CNPC NORTHEAST REFINING & CHEM ENG CO LTD has a total of 42 patent applications. It decreased the IP activity by 28.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, organic fine chemistry and chemical engineering are JUNKAI TIANJIN CHEMICAL CO LTD, ZAKLADY CHEM OSWIECIM and CHANGSHU 3F FLUOROCHEMICAL INDUSTRY CO LTD.

Patent filings in countries

World map showing JILIN DESIGNING INST CNPC NORTHEAST REFINING & CHEM ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 42

Patent filings per year

Chart showing JILIN DESIGNING INST CNPC NORTHEAST REFINING & CHEM ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Xuexian 12
#2 Song Shunli 11
#3 Liu Qingjuan 11
#4 Gong Chuanzhi 10
#5 Li Dawei 10
#6 Liu Jinqi 9
#7 Yang Suzhen 9
#8 Wang Yanhong 7
#9 Zhang Mulan 7
#10 Guo Xiaoyu 7

Latest patents

Publication Filing date Title
CN110843152A Ethylene propylene rubber production blending system and production blending method
CN109012510A Polymer reactor
CN110551008A tail gas recycling method in acrolein production process
CN110551013A energy recovery method of acrolein refining process
CN110551020A Method for recovering acrylic acid in wastewater
CN108543506A Reactor for the by-product acetonitrile recycling in Acrylonitrile Production
CN107941051A Heat exchanger and EP rubbers production solvent recovering system
CN107670318A EP rubbers produces method for recovering solvents and recovery system
CN108863704A The method for removing 1,3- butadiene in isobutene
CN108863702A Heat recovery system and method for dehydrogenation of isobutane technique
CN108854866A Distributor and its top cap
CN108855648A Sweep module and its nozzle
CN108863703A The method of catalyst in dehydrogenation system and its removing dehydrogenation of isobutane product
CN104019372A Ethylene oxide safe discharging device
CN103991997A Strong brine evaporating and crystallizing system
CN103924469A Method for removing lignin
CN103880579A Emergency shutdown method and system of fixed bed reactor for preparing propylene from methyl alcohol
CN103861531A Cooling distributor of MTP (methanol to propylene) reactor
CN103880577A Reaction product separation system for production of propylene and olefins by using methanol
CN103864723A Technology for purifying epoxypropane