发明名称 |
Tetracalcium phosphate-based materials and processes for their preparation |
摘要 |
The invention provides (i) apatite-coated tetracalcium phosphate particles; (ii) a process for preparing the apatite- coated tetracalcium phosphate particles by hydration; (iii) a tetracalcium phosphate-based setting composition; (iv) a composition for forming a hardening material using coated tetracalcium phosphate particles and an acidic aqueous solution; and (v) the composition as defined in (iv) in which the acidic aqueous solution can satisfy the concentration relationships as represented below: (a) 25% </= citric acid </= 50% (b) 30% </= citric acid + phosphoric acid </= 70% (c) 10% citric acid - phosphoric acid </= 50% |
申请公布号 |
GB2246770(A) |
申请公布日期 |
1992.02.12 |
申请号 |
GB19910016201 |
申请日期 |
1991.07.26 |
申请人 |
* OSAKA CEMENT CO LTD |
发明人 |
AKITOSHI * IMURA;TORU * SAITO;SHIRO * IKEGAMI |
分类号 |
A61F2/00;A61K6/033;A61L27/12;A61L27/32;C01B25/32 |
主分类号 |
A61F2/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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