Designed cellular coal

Details Designed cellular coal Designed cellular coal

2008-03-04

2008-03-04

Toomer, Cephia D. (Department: 1714)

Fuel and related compositions

Coal treating process or product thereof

C044S628000, C044S608000

Reexamination Certificate

active

10810842

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 mold materials combined in at least some instances with segregation of different starting materials in different regions of a forming mold.

REFERENCES:
patent: 3309437 (1967-03-01), Harnett
patent: 4127391 (1978-11-01), Koppelman
patent: 6814765 (2004-11-01), Rogers
patent: 6861151 (2005-03-01), Rogers et al.
patent: 6899970 (2005-05-01), Rogers et al.
patent: 1489690 (1977-10-01), None
Kirk-Othmer, Encyclopedia of Chemical Technology, 4thEdition, vol. 6, John Wiley & Sons, NY., Application of Coal Petrology & Petrography, pp. 429-434 & 454-455, 1993.

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