Reinforced designed cellular coal

Details Reinforced designed cellular coal Reinforced designed cellular coal

2004-03-29

2008-11-11

Toomer, Cephia D (Department: 1797)

Fuel and related compositions

Coal treating process or product thereof

C428S489000, C156S078000

Reexamination Certificate

active

07449035

ABSTRACT:
Coal-based cellular products that can be custom designed to have integral stiffeners or load paths, directed heat transfer paths, and/or directed mass transfer paths and methods for their production are described. Such design and production is made possible by the appropriate selection of: starting materials, thermal treatment conditions and/or mold materials combined in at least some instances with segregation of different starting materials in different regions of a forming mold and/or the use of fibrous carbonaceous layers to obtain selected reinforcement to enhance bending and/or impact resistance. Carbon foams of a homogeneous composition comprising at least fibrous carbonaceous mat as a reinforcing element are also described.

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patent: 6183854 (2001-02-01), Stiller et al.
patent: 6861151 (2005-03-01), Rogers et al.
patent: 1489690 (1977-10-01), None
patent: 08112876 (1996-07-01), None

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