{TAIL ~ The isotropic pitch product}, which contains mesogens and soluble, aromatic organometallic compounds, as formed by heat soaking or mixing as taught above is subjected to solvent fractionation to produce, after fusion, a metals containing mesophase pitch suitable for spinning into carbon artifacts or {HEAD ~ fibers} 
{ TAIL ~ The isotropic pitch product } , which contains mesogens and soluble , aromatic organometallic compounds , as formed by heat soaking or mixing as taught above is subjected to solvent fractionation to produce , after fusion , a metals containing mesophase pitch suitable for spinning into carbon artifacts or { HEAD ~ fibers }
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