Carbon foam abrasives

Details Carbon foam abrasives Carbon foam abrasives

2005-03-01

2005-03-01

Medley, Margaret B. (Department: 1714)

Fuel and related compositions

Coal treating process or product thereof

C156S078000, C423S076000, C423S448000, C423S460000, C428S408000, C428S489000

Reexamination Certificate

active

06860910

ABSTRACT:
The incorporation or blending of from about 1 to about 10% by volume of a “carbide precursor” powder, preferably on the order of <100 microns in size, with a coal particulate starting material and the subsequent production of carbon foam in accordance with the method described herein, results in a carbon foam that exhibits significantly enhanced abrasive characteristics typical of those required in the polishing of, for example glass, in the manufacture of cathode ray tubes.

REFERENCES:
patent: 3309437 (1967-03-01), Harnett
patent: 14899690 (1976-05-01), None
Kirk-Othemr, Encyclopedia of Chemical Technology, 4th Edition, vol. 6, John Wiley & Sons, Y., Application of Coal Petrology & Petrography, pp. 42-434 and 454-455, 1993.img id="CUSTOM-CHARACTER-00001" he="2.46mm" wi="1.78mm" file="US06860910-20050301-P00701.TIF" alt="custom character" img-content="character" img-format="tif" ?img id="CUSTOM-CHARACTER-00002" he="2.46mm" wi="1.78mm" file="US06860910-20050301-P00701.TIF" alt="custom character" img-content="character" img-format="tif" ?.*
SU 973,509A English Abstract, (BELIO), Nov. 1982.*
SU 536,148A, English Abstrct, (DEMII), Jan. 1977.*
JP 53-094,313 A, English Abstract, (IBIG), Aug. 1978.img id="CUSTOM-CHARACTER-00003" he="2.46mm" wi="1.78mm" file="US06860910-20050301-P00701.TIF" alt="custom character" img-content="character" img-format="tif" ?img id="CUSTOM-CHARACTER-00004" he="2.46mm" wi="1.78mm" file="US06860910-20050301-P00701.TIF" alt="custom character" img-content="character" img-format="tif" ?img id="CUSTOM-CHARACTER-00005" he="2.46mm" wi="1.78mm" file="US06860910-20050301-P00701.TIF" alt="custom character" img-content="character" img-format="tif" ?img id="CUSTOM-CHARACTER-00006" he="2.46mm" wi="1.78mm" file="US06860910-20050301-P00701.TIF" alt="custom character" img-content="character" img-format="tif" ?CN 1290755 A English Abstract, (YELLI). Apr. 2001.

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