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https://drivepatents.com/patents/1397583 · 12 Nov 2025
Carbon black having a specific surface area of 150 m2/g or more and 400 m2/g or less, and a ratio (S2/S1) of a peak area (S2) of a peak at m/z 128 to a peak area (S1) of a peak at m/z 57 detected through thermal desorption spectroscopy of less than 2.00.
https://drivepatents.com/patents/1397587 · 17 Sep 2025
Carbon black having a specific surface area of 150 m2/g or more and 400 m2/g or less and a hydrochloric acid absorption amount of 30 mL/5 g or more, wherein, when a 3 mass% slurry is prepared using N-methyl-2-pyrrolidone as a dispersion medium, the slurry ...
https://drivepatents.com/patents/1397586 · 27 Aug 2025
Carbon black having a specific surface area of 150 m/g or more and 400 m/g or less, and a ratio (DBP/CDBP) of a DBP absorption (DBP) to a compressed DBP absorption (CDBP) of 2.0 or less.
https://drivepatents.com/patents/1397585 · 6 Aug 2025
Carbon black having a specific surface area of 150 m/g or more and 400 m/g or less, and a ratio (Lc/SSA) of a crystallite size (Lc (Å)) to a specific surface area (SSA (m/g)) of 0.15 or less.
https://drivepatents.com/patents/1010680 · 3 Aug 2011
The invention provides a method for producing a purified carbon black by removing metal from the aqueous dispersion of carbon black, wherein the metal is removed by bringing the aqueous dispersion of carbon black into contact with at least one organic acid...