Stock material or miscellaneous articles – Composite – Of bituminous or tarry residue
Reexamination Certificate
2005-03-01
2005-03-01
Medley, Margaret B. (Department: 1714)
Stock material or miscellaneous articles
Composite
Of bituminous or tarry residue
C044S620000, C156S078000
Reexamination Certificate
active
06861151
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.
REFERENCES:
patent: 3309437 (1967-03-01), Harnett
patent: 4127391 (1978-11-01), Koppelman
patent: 6183854 (2001-02-01), Stiller et al.
patent: 1489690 (1977-10-01), None
patent: 08112876 (1996-07-01), None
Kirk Othmer, Encyclopedi of Chemical Technology, 4th Ed., ?vol. 6, John Wiley & Sons, N. Y. Application of Coal Petrology and Petrography, pp. 429-434 and 454-455. 1993.
Plucinski Janusz Wladyslaw
Rogers Darren Kenneth
McGuireWoods LLP
Medley Margaret B.
Touchstone Research Laboratory, Ltd.
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