Activated carbons and method for obtaining same from a...

Mineral oils: processes and products – Products and compositions – Asphalts – tars – pitches and resins

Reexamination Certificate

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C502S437000

Reexamination Certificate

active

07105083

ABSTRACT:
A method for obtaining activated carbons from a partly mesophased and partly mesogenic pitch containing less than about 40% of the a resins, more than about 40% of type β resins and between about 5 and 30% of type γ resins by activating the pitch preceded by its optional carbonization.

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“Rompp-Lexikon Chemie”, Georg Thieme Verlag Stuttgart, 10thEdition 1998, Tome 4, p. 2599.

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