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BEIJING RISUN CHEMICAL TECHNOLOGY RES INST CO LTD

Overview
  • Total Patents
    16
About

BEIJING RISUN CHEMICAL TECHNOLOGY RES INST CO LTD has a total of 16 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are LAZNICKA ZBYNEK, BURYATSKIJ INST ESTESTVENNYKH and HUBEI GEBIJIA PHOTOELECTRIC TECHNOLOGY CO LTD.

Patent filings in countries

World map showing BEIJING RISUN CHEMICAL TECHNOLOGY RES INST CO LTDs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

Chart showing BEIJING RISUN CHEMICAL TECHNOLOGY RES INST CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Sun Changjiang 10
#2 Zhang Yingwei 8
#3 Yingwei Zhang 5
#4 Zhang Minsheng 4
#5 Yang Xuegang 4
#6 Changjiang Sun 4
#7 Wang Guoli 3
#8 Peng Yongxing 3
#9 Xiaojun Pan 2
#10 Yin Wenya 2

Latest patents

Publication Filing date Title
CN103333052A Method for preparing pure p-cresol and pure m-cresol by separating industrial mixed p-cresol and m-cresol
CN103333051A Method for producing m-cresol
CN103204766A Method for separating and purifying m-cresol from mixture of m-cresol and p-cresol
CN102850175A Method for purifying coked benzene
CN102775272A Preparation method of succinic acid
CN102775302A Method for preparing methyl methacrylate from methyl propionate and formaldehyde
CN102718949A Preparation method of polybutylene succinate
CN102718950A Preparation method of biodegradable polybutylene succinate
CN102718621A Method for selectively desorbing carbon disulfide in coarse benzene
CN102718740A Trioxymethylene crystallization method
CN102690411A Method for copolymerizing carbon dioxide and propylene oxide with circulation flow reactor
CN102698808A Composite catalyst and use of composite catalyst in synthesis of adipic acid by clean catalytic oxidation of cyclohexene
CN102702458A High-performance modified polyformaldehyde and preparation method thereof
CN102702167A Method for removing formic acid online in the process of trioxymethylene synthesis
CN102344556A Biodegradable branched aromatic polyester-aliphatic polyester multi-block polymer
CN102336661A Preparation method of methyl propionate