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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 6 | |
#2 | EPO (European Patent Office) | 5 | |
#3 | WIPO (World Intellectual Property Organization) | 3 | |
#4 | Canada | 2 | |
#5 | Uruguay | 2 | |
#6 | Brazil | 1 | |
#7 | EAPO (Eurasian Patent Organization) | 1 | |
#8 | Hungary | 1 | |
#9 | Republic of Korea | 1 | |
#10 | Russian Federation | 1 | |
#11 | South Africa | 1 |
# | Industry | |
---|---|---|
#1 | Organic fine chemistry | |
#2 | Chemical engineering | |
#3 | Environmental technology | |
#4 | Materials and metallurgy |
# | 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 |
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 |