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YANG XIANGDANG

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    119,813
  • Filing trend
    ⇩ 70.0%
About

YANG XIANGDANG has a total of 14 patent applications. It decreased the IP activity by 70.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry and environmental technology are BEIJING SUNPU BIOCHEMISTRY TECHNOLOGY CO LTD, KINGCHEM LIAONING CHEMICAL CO LTD and HUBEI JINGHONG CHEMICAL CO LTD.

Patent filings in countries

World map showing YANG XIANGDANGs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing YANG XIANGDANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Jianchang 14
#2 Yang Xiangdang 14
#3 Yin Lianqi 14
#4 He Xianyong 4
#5 Dong Gaoqiang 3
#6 Lin Yang 3

Latest patents

Publication Filing date Title
CN111116399A Process for producing 2, 6-difluorobenzamide
CN109336770A A kind of method that solvent-free hydrogenating reduction method prepares 3,4- dichloroaniline
CN109232262A Utilize the method for decompressing and continuous rectification and purification 3,4- dichloronitrobenzene
CN109651157A The method for being nitrified using o-dichlorohenzene, hydrogen being added to prepare 3,4- dichloroaniline
CN108047052A Utilize the method for decompressing and continuous rectification and purification parachloroanilinum
CN108129327A Parachloroanilinum is produced using solvent-free continuous catalytic hydrogenation
CN107935931A 1‑(4 chlorphenyls)3 ketone of pyrazolidine, which does not purify, directly produces 1(4 chlorphenyls)3 pyrazoles alcohol
CN108033885A Utilize the method for decompressing and continuous rectification and purification 2,5- dichloroanilines
CN107963971A A kind of method that 2,5- dichloronitrobenzenes are prepared using continuous nitrification technique
CN108164426A 2,5- dichloroanilines are produced using solvent-free continuous catalytic hydrogenation
CN108218779A Do not purify directly make 2-(N-4- chlorphenyls)- 3- pyrazoles oxygroups methyl } nitrobenzene
CN108218719A A kind of method for being not added with antioxidant continuous rectification parachloroanilinum
CN108084036A A kind of method for being not added with antioxidant continuous rectification 2.5- dichloroanilines
CN107963992A There is modified starch pyraclostrobin