Process for preparing monobasic pyrophosphate materials

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United States of America Patent

PATENT NO 8623310
APP PUB NO 20120301384A1
SERIAL NO

13029097

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Abstract

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The present invention relates to a process for preparing a material having the formula:

description='In-line Formulae' end='lead'(MxHy)+4(P207)−4:description='In-line Formulae' end='tail'

where M is a cation selected from the group consisting of monovalent cations, divalent cations, and trivalent cations; H is hydrogen, P2O7 is the pyrophosphate anion, and y is a number between 2.2 and 3.8; and x is a value sufficient to balance the overall charge of said compound comprising mixing and heating 105-112% polyphosphoric acid or pyrophosphoric and a compound having a monovalent metal cation or a compound having a divalent metal cation or a compound having a trivalent metal cation.

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Patent Owner(s)

Patent OwnerAddress
INNOPHOS INCCRANBURY NJ 08512

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Finn, Robert Clyde Westfield, US 3 0
Newbern, Angela Tuckerton, US 1 0

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