| 发明名称 |
SILICIC ACID, METHOD FOR PREPARATION THE SAME AND USE THEREOF IN TOOTH MENDING AGENT |
| 摘要 |
PROBLEM TO BE SOLVED: To produce a silicic acid having a nonuniform structure or constitution, to provide a method for preparation the same and use method thereof in the tooth mending agent. SOLUTION: The silicic acid includes at least two silicic acid fractions and in which these two silicic acid fractions vary by at least 10% in at least one measured value of a BET-surface area, CTAB-surface area and DBP- absorptivity.
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| 申请公布号 |
JP2002338233(A) |
申请公布日期 |
2002.11.27 |
| 申请号 |
JP20020068876 |
申请日期 |
2002.03.13 |
| 申请人 |
DEGUSSA AG |
发明人 |
STORECK ARNOLD;UHRLANDT STEFAN DR;SCHMOLL RALF |
| 分类号 |
A61K8/00;A61K8/25;A61Q11/00;C01B33/141;C01B33/18;C01B33/193;C09C1/30;(IPC1-7):C01B33/141;A61K7/16 |
主分类号 |
A61K8/00 |
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