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BEIJING SANJU ENV PROT & NEW MAT CO LTD

Overview
  • Total Patents
    78
  • GoodIP Patent Rank
    18,912
  • Filing trend
    ⇩ 100.0%
About

BEIJING SANJU ENV PROT & NEW MAT CO LTD has a total of 78 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2009. It filed its patents most often in China and EPO (European Patent Office). Its main competitors in its focus markets basic materials chemistry, chemical engineering and environmental technology are COLLIN & CO, FOURS A COKE SOC GEN DE and COLLIN FRANCIS JOSEPH.

Patent filings in countries

World map showing BEIJING SANJU ENV PROT & NEW MAT CO LTDs patent filings in countries
# Country Total Patents
#1 China 77
#2 EPO (European Patent Office) 1

Patent filings per year

Chart showing BEIJING SANJU ENV PROT & NEW MAT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lin Ke 46
#2 Du Minglai 44
#3 Liu Yanfang 38
#4 Ma Fang 38
#5 Zhao Wentao 38
#6 Bai Hongbin 37
#7 Liu Zhenyi 14
#8 Zhang Jun 13
#9 Liu Yujun 13
#10 Liu Ying 13

Latest patents

Publication Filing date Title
CN106753481A A kind of externally heated retort oven and utilize its biomass carbonization technique
CN106669409A Dry desulfurization process with fluidized bed and stationary bed in serial connection
CN106582243A Wet desulphurization process with magnetic iron oxide red as desulphurizer
CN106748196A A kind of phosphor intensified charcoal base slow fertilizer and preparation method thereof
CN106731833A A kind of regeneration technology of wet desulphurization rich solution
CN106732499A A kind of preparation method of the aluminum oxide film layer carrier of monoblock type methyl hydride combustion catalyst
CN106622276A Methane low-temperature combustion catalyst for boiling-bed reactor as well as preparation method and application of methane low-temperature combustion catalyst
CN106732647A A kind of perovskite type methyl hydride combustion catalyst and preparation method and application
CN106512677A Zinc oxide desulfurizer and preparation method thereof
CN106563358A Regenerating method of zinc oxide desulfuration waste agent
CN106478084A A kind of preparation method of magnetic iron oxide
CN106379945A Method for preparing ammonium sulfate coproduced iron oxyhydroxide
CN106391111A Oil-soluble catalyst and preparation method thereof
CN106430325A Preparation method of magnetic iron oxide
CN106433826A Method and device for preparing liquefied natural gas through replacement of coke-oven gas by gas
CN106185988A A kind of technique preparing high-ratio surface FeOOH co-production ammonium sulfate
CN105771902A Preparation method and application of sulfhydryl activated carbon mercury removal agent
CN105771992A Preparation method and application of low-cost catalyst
CN105712410A Method for preparing iron disulfide
CN105883935A Preparation method of FeS2