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US 7,442,737 B2Granted
Low acidity phosphate esters
AssigneeSupresta LLC
InventorsDanielle Angrand Bright, Edward D. Weil, Ronald L. Pirrelli
Life of this patent
Estimating the term…
Abstract
A phosphate ester composition of low acidity achieved by treating the phosphate ester of high acidity with an oxetane compound. The phosphate ester can be represented by the formula (I), where Ar is an aryl or alkaryl group, R is an arylene or alkylene group, and n can range from to 0 to about 5.
Claims15
A phosphate ester composition of low acidity, preprared by reading an oxetane compound and a phosphate ester of high acidity, wherein said phosphate ester has the following formula:
- where Ar is an aryl or alkaryl group, R is an arylene group, and n can range from 0 to about 5 and said oxentane compound has the following formula:
- where R1 to R6 are each the same or different and are selected from the group consisting of hydrogen, alkyl, substituted alkyl, aryl, and substituted aryl.
Dependencies are inferred from the claim text.