Calcium phosphates
US4721615A · kind A · utility
13Cited by
14References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 1986 |
| Grant date | Jan 26, 1988 |
| Priority date | — |
| Expiry date | Jun 6, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B25/322
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Novel processes are provided for producing anhydrous dicalcium phosphate (DCPA) and the gamma and beta forms of calcium pyrophosphate (CPP) from the reaction of phosphoric acid and lime. Dentifrice compositions containing the resultant phosphates are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.