Condensation polymerization of phosphorus containing compounds
US5951831A · kind A · utility
4Cited by
11References
25Claims
0Family size
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Key dates
| Filing date | Jul 11, 1997 |
| Grant date | Sep 14, 1999 |
| Priority date | — |
| Expiry date | Jul 11, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B25/39
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process of using microwave radiation to effect condensation polymerization of phosphorus oxyacids and their salts having at least two free hydroxyl groups attached to the same phosphorus atom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.