Andreas E. Grutzner;Christoph Weber;Joachim E. Klee
发明人:
Joachim E. Klee,Christoph Weber,Andreas E. Grutzner
申请号：
US13257147
公开号：
US20120115982A1
申请日:
2010.03.18
申请国别(地区):
US
年份:
2012
代理人:
摘要：
A temporary root canal sealer dispersion having a pH of at least 9 and comprising: (i) an aqueous dispersion medium comprising an oligomer and/or polymer having Lewis basic groups, and optionally a hydroxide of an alkali metal and/or a hydroxide of an alkaline earth metal, and (ii) a dispersed phase comprising a radio-opaque filler, wherein the weight ratio of oligomer and/or polymer having Lewis basic groups to hydroxide of an alkali metal and/or hydroxide of an alkaline earth metal is at least 0.5 when said aqueous dispersion medium comprises a hydroxide of an alkali metal and/or a hydroxide of an alkaline earth metal.
