CHOPRA, SUMAN,MANDADI, PRAKASARAO,PORTER, VENDA,ONTUMI, DENNIS
申请号:
CA2822342
公开号:
CA2822342C
申请日:
2011.06.02
申请国别(地区):
CA
年份:
2017
代理人:
摘要:
Oral care compositions comprising a crosslinked polyvinylpyrrolidone complexed with hydrogen peroxide, together with an ethylene oxide -propylene oxide block copolymer. Some embodiments further comprise a calcium abrasive, e.g. calcium pyrophosphate or calcium carbonate, and some may have less than 3% water.