Deproteinization filler and cartridge containing same
US5360544A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Nov 13, 1992 |
| Grant date | Nov 1, 1994 |
| Priority date | — |
| Expiry date | Nov 13, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/54
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A deproteinization filler comprises an aggregate of hydroxyapatite fibers having a three dimensional network structure. The mean radius of pores defined by the aggregate is approximately 0.02 .mu.m to approximately 0.08 .mu.m, the specific surface of the aggregate is approximately 25 m.sup.2 /g to approximately 65 m.sup.2 /g and the mean diameter of particles defined by the aggregate is approximately 1 .mu.m to approximately 30 .mu.m. The filler is produced by a given method. The filler may be contained in a throwaway cartridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.