| 摘要 |
<p>PCT No. PCT/EP97/02714 Sec. 371 Date Nov. 25, 1998 Sec. 102(e) Date Nov. 25, 1998 PCT Filed May 20, 1997 PCT Pub. No. WO97/46217 PCT Pub. Date Dec. 11, 1997Mouthwash compositions are described comprising cetylpyridinium chloride and amidobetaine amphoteric surfactants of formula (I): RC(O)NH(CH2)aN+(R1)(R2)(CH2)bCO2-, wherein R is C10-20 alkyl; R1 and R2 are independently C1-4 alkyl; a is an integer from 1 to 4; and b is an integer from 1 to 4.</p> |
