Dicalcium phosphate dihydrate having improved monofluorophosphate compatibility and process for the preparation thereof
US4487749A · kind A · utility
5Cited by
4References
4Claims
0Family size
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Key dates
| Filing date | Jul 8, 1983 |
| Grant date | Dec 11, 1984 |
| Priority date | — |
| Expiry date | Jul 8, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q11/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Dicalcium phosphate dihydrate compositions having improved monofluorophosphate compatibility are prepared by reacting a lime slurry with phosphoric acid to form a monocalcium phosphate solution, and then further reacting the monocalcium phosphate solution with additional lime slurry to a pH in the range of from above about 2.2 to below about 5.5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.