Thomas J. Boyd,Guofeng Xu,Abdul Gaffar,David B. Viscio
申请号：
US11375346
公开号：
US08287843B2
申请日:
2006.03.14
申请国别(地区):
US
年份:
2012
代理人:
摘要：
The invention provides oral compositions including a safe and effective amount of a compound represented by the formula (I):wherein R1 and R2 are independently selected from a hydrogen atom and an alkyl group and X− is an anion, and n is an integer of 1 to 25 and (b) a surfactant.
