Appeal No. 1998-2920 Application No. 08/128,740 immersed in a liquid carbonizable material selected from the group consisting of a thermosetting resin, such as a phenolic resin, furan resin or the like and a pitch. See column 3, lines 15-41. The impregnated aggregate is carbonized under inert 3Page: Previous 1 2 3 4 5 6 7 8 NextLast modified: November 3, 2007