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US 4,059,410 AGranted
Method for the preparation of noncaking coals from caking coals by means of electrophilic aromatic substitution
AssigneeExxon Research & Engineering Co.
InventorsRichard H. Schlosberg, Martin L. Gorbaty, Robert J. Lang
Life of this patent
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Abstract
A method for the preparation of and pretreatment of coal, which coal will not cake when subjected to standard coal conversion processes, which method comprises the steps of electrophilically aromatically substituting the coal yielding alkylated or acylated products thereby.
Claims15
A process for the preparation of noncaking coal from caking coal which comprises the step of electrophilically aromatically substituting the caking coal yielding a product thereby which is a noncaking coal.
Dependencies are inferred from the claim text.