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ULSAN CHEMICAL CO LTD

Overview
  • Total Patents
    49
About

ULSAN CHEMICAL CO LTD has a total of 49 patent applications. Its first patent ever was published in 1995. It filed its patents most often in Republic of Korea, United States and Japan. Its main competitors in its focus markets organic fine chemistry, materials and metallurgy and environmental technology are CHINA ENERGY INVESTMENT CORPORATION LTD, ESPANOLA PETROL and GUANGDONG HUATE GASES CO LTD.

Patent filings in countries

World map showing ULSAN CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 15
#2 United States 12
#3 Japan 9
#4 China 5
#5 Italy 4
#6 Germany 2
#7 France 2

Patent filings per year

Chart showing ULSAN CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jang Hyang Ja 15
#2 Kim Dae Hyun 14
#3 Kim Cheol Ho 14
#4 Iikubo Yuichi 12
#5 Yuichi Iikubo 11
#6 Ji Hae Seok 8
#7 Lee Jung Eun 6
#8 Cho Young Gu 6
#9 Kim Young Su 6
#10 Woo Byung Won 5

Latest patents

Publication Filing date Title
KR20070108987A Dry etching gas for semi condutor process and method for production thereof
US2007082813A1 Catalyst for preparation of pentafluoroethane and preparation method thereof
KR100680766B1 Manufacturing method of catalyst for pentafluoroethane
KR20070000132A Filling method of liquified gas
KR20060130283A Filling method of liquified-gas using diaphragm pump
KR20060130281A Storage method of nitrogen trifluoride
KR20060085407A Manufacturing method and apparatus of 4-fluoro ethylenecarbonate
KR20040044599A manufacturing method for difluoromethane
KR20040044600A Reactor for Hydrofluorocarbon Compound manufacturing
KR20030005526A Manufacturing method of high purity perfluoroprpane
US6162955A Manufacturing method for perfluoroethane
KR20010082911A Manufacturing method for perfluoroethane
KR20000059438A The method of purifying hydrogen chloride
KR20000051923A A Manufacturing Method for Lithium Tetrafluoroborate
KR20000046590A Production process of lithium hexafluoro phosphate
KR20000027318A Method for the preparation of 1,1,1-trifluoroethane
KR19990053764A Composition of refrigerant mixtures for refrigerator/ air conditioner
US5495057A Method for the preparation of difluoromethane