Dicalcium phosphate dihydrate having improved monofluorophosphate compatibility and process for the preparation thereof
US4496527A · kind A · utility
4Cited by
4References
4Claims
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Key dates
| Filing date | Jul 8, 1983 |
| Grant date | Jan 29, 1985 |
| Priority date | — |
| Expiry date | Jul 8, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B25/322
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Dicalcium phosphate dihydrate compositions having improved monofluorophosphate compatibility are prepared by adding pyrophosphoric acid to the dicalcium phosphate dihydrate reactor and terminating the reaction by which the dicalcium phosphate dihydrate is formed at a pH ranging from above about 2.2 to below about 4.9.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.