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last 30 patents
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Patent Grant
Spiro organic compounds, material comprising the same for organic e...
Patent number
10,396,289
Issue date
Aug 27, 2019
NANJING TOPTO MATERIALS CO., LTD.
Jin Woo Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Spiro organic compounds, material comprising the same for organic e...
Patent number
10,396,290
Issue date
Aug 27, 2019
NANJING TOPTO MATERIALS CO., LTD.
Jin Woo Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Spiro organic compounds
Patent number
10,214,489
Issue date
Feb 26, 2019
NANJING TOPTO MATERIALS CO., LTD.
Jin Woo Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic electroluminescent compound and organic electroluminescent...
Patent number
10,155,773
Issue date
Dec 18, 2018
NANJING TOPTO MATERIALS CO., LTD.
Jin Woo Kim
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patents Applications
last 30 patents
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Patent Application
ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT...
Publication number
20180105534
Publication date
Apr 19, 2018
NANJING TOPTO MATERIALS CO.,LTD.
JIN WOO KIM
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
NOVEL SPIRO ORGANIC COMPOUND
Publication number
20170125684
Publication date
May 4, 2017
NANJING TOPTO MATERIALS CO., LTD.
Jin Woo KIM
C07 - ORGANIC CHEMISTRY
Information
Patent Application
NOVEL ORGANIC COMPOUND, MATERIAL COMPRISING THE SAME FOR ORGANIC EL...
Publication number
20170125677
Publication date
May 4, 2017
NANJING TOPTO MATERIALS CO., LTD.
Jin Woo KIM
C07 - ORGANIC CHEMISTRY
Information
Patent Application
NOVEL ORGANIC COMPOUND, MATERIAL COMPRISING THE SAME FOR ORGANIC EL...
Publication number
20170125678
Publication date
May 4, 2017
NANJING TOPTO MATERIALS CO., LTD.
Jin Woo KIM
C07 - ORGANIC CHEMISTRY