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DONG FIN CHEMICAL IND CO LTD

Overview
  • Total Patents
    21
About

DONG FIN CHEMICAL IND CO LTD has a total of 21 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets optics, semiconductors and basic materials chemistry are S&S TECH CO LTD, SHIRASAKI TORU and TOKYO APPLIED CHEMICAL INDUSTR.

Patent filings in countries

World map showing DONG FIN CHEMICAL IND CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 21

Patent filings per year

Chart showing DONG FIN CHEMICAL IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oh Chang Il 12
#2 Lee Sang Dae 11
#3 Yoo Jong Sun 11
#4 Yoon Seok Il 7
#5 Baek Ji Heum 3
#6 Lee Hui Gyu 3
#7 Park Yeong Ung 3
#8 Cho Jun Yeon 2
#9 Park Seok Bong 2
#10 Park Chan Seok 2

Latest patents

Publication Filing date Title
KR20020037665A Thinner composition for removing photosensitive resin
KR20020039052A Thinner compositon for washing resist of lcd device
KR20020036117A A composition for protection film having acid resistance
KR20020024495A Insulating layer comprising organic-inorganic complex used for semiconductor, and method for producing the same
KR20020024494A Insulating layer having low dielectric constant used for semiconductor, method for producing the same and precursor composition for producing the same
KR20020019813A Photoresist remover composition comprising ammonium fluoride
KR20020010291A Photoresist composition for liquid crystal display circuit board
KR20020006831A Thinner composition for removing tft-lcd photoresist
KR20010113396A Photoresist remover composition comprising ammonium fluoride
KR20010111605A Photoresist remover composition
KR20010106537A Resist stripper composition
KR20010096806A Polymer for chemically amplified resist and resists using this polymer
KR20010073408A Resist remover composition comprising HBM
KR20010073409A Resist remover composition
KR20010073410A Resist remover composition
KR20010047842A Base coating composition for forming lcd reflector having diffusing properties
KR20010026449A Polymer for chemically amplified resist and resists using this polymer
KR20010004220A Stripper composition for negative chemically amplified resist
KR20010004155A Method for synthesizing semicarbazide
KR20000046480A Photoresist remover composition