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CHANGCHUN MEIHE SCIENCE AND TECH DEVELOPMENT CO LTD

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    66,935
  • Filing trend
    ⇧ 66.0%
About

CHANGCHUN MEIHE SCIENCE AND TECH DEVELOPMENT CO LTD has a total of 24 patent applications. It increased the IP activity by 66.0%. Its first patent ever was published in 2015. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets organic fine chemistry, chemical engineering and environmental technology are BOGDAN PAULA L, VINNOLIT TECHNOLOGIE GMBH & CO and RILEY MARK G.

Patent filings per year

Chart showing CHANGCHUN MEIHE SCIENCE AND TECH DEVELOPMENT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ren Haiyu 16
#2 Liu Jing 14
#3 Qi Hongbin 14
#4 Prakash Indra 11
#5 Shi Yu 10
#6 Yuan Yi 6
#7 Yi Yuan 2
#8 Hongbin Qi 1
#9 Jing Liu 1
#10 Shi Yuj 1

Latest patents

Publication Filing date Title
CA3114638A1 Process for refining bio-based propylene glycol
UY38359A PROCESS TO REFINE NON-PETROLEUM-DERIVED ETHYLENE GLYCOL
BR112019027608A2 acid-resistant alloy catalyst
US2019112248A1 Method for increasing UV transmittance of ethylene glycol
EP3199236A1 Acid-resistant alloy catalyst
HUE048744T2 Method for preparing ethylene glycol