Phosphation reagent
AssigneeRhodia Inc.
InventorRobert Lee Reierson
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Abstract
The invention relates to a process for producing a unique phosphation reagent and to a simple, single-stage process utilizing is reagent to produce alkyl phosphate esters having high monoalkyl phosphate content in combination with low dialkyl phosphate, trialkyl phosphate, phosphoric acid and residual alcohol.
Claims3
A composition produced by intimately mixing and exclusively reacting an effective amount of phosphoric anhydride with from about 75 weight % to about 117 weight % polyphosphoric acid (54 weight % to 85 weight % P.sub.4 O.sub.10) to produce a uniform slurry or paste having an effective equivalent polyphosphoric acid weight percent of from about 118 to 125.
Dependencies are inferred from the claim text.