Hard tissue substitute composition
US4902649A · kind A · utility
46Cited by
18References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 1987 |
| Grant date | Feb 20, 1990 |
| Priority date | — |
| Expiry date | Sep 10, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00293
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition for use in forming a hard tissue substitute comprising (A) a powder ingredient mainly comprised of Ca.sub.n+2 (PO.sub.4).sub.2 O.sub.n-1, where n is from 1.9 to 4.9 and (B) an aqueous solution of an organic acid, preferably of the TCA cycle, or a polymer of an organic acid. This composition has a good affinity with living organisms, a high compressive strength, and a low disintegration rate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.