The isotropic pitch product, which contains {HEAD ~ mesogens} and {TAIL ~ 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 fibers 
The isotropic pitch product , which contains { HEAD ~ mesogens } and { TAIL ~ 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 fibers
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