Hydraulic calcium phosphate cement composition and cement composition containing hardening liquid
US5152836A · kind A · utility
69Cited by
1References
12Claims
0Family size
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Key dates
| Filing date | Sep 12, 1991 |
| Grant date | Oct 6, 1992 |
| Priority date | — |
| Expiry date | Sep 12, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/00836
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A hydraulic calcium phosphate cement composition contains as main ingredients powders of calcium tertiary phosphate and calcium secondary phosphate with a molar ratio of Ca/P of 1.400 to 1.498. The calcium tertiary phosphate contains .alpha.-type calcium tertiary phosphate and .beta.-type calcium tertiary phosphate. The cement composition may contain a hardening liquid including water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.