Epoxy-stabilized polyphosphate compositions
US6717005B2 · kind B2 · utility
1Cited by
8References
8Claims
0Family size
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Key dates
| Filing date | May 13, 2002 |
| Grant date | Apr 6, 2004 |
| Priority date | — |
| Expiry date | May 13, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/025
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A polyphosphate ester composition consisting essentially of an effective amount of a cycloaliphatic epoxy composition for reduction of the total acid number of the composition. The phosphate ester is of the formula: where R can be aryl or alkaryl, R′ can be arylene, arylene-alkylene-arylene, or alkylene, and n ranges from about 1 to about 5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.