Process for producing calcium phosphate ceramics having porous surface
US5017518A · kind A · utility
69Cited by
6References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 18, 1990 |
| Grant date | May 21, 1991 |
| Priority date | — |
| Expiry date | Apr 18, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00293
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process for producing calcium phosphate ceramics having a porous surface is described, which comprise the steps of: PA0 a) preparing untreated calcium phosphate ceramics, which comprises a mixture of hydroxyapatite and tricalcium phosphate, and PA0 b) treating said untreated ceramics with an acidic solution to selectively dissolve the tricalcium phosphate in the surface of the ceramics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.