| 摘要 |
A personal product antimicrobial preservative composition for preservation of topical personal care formulations is provided and includes [A] one or more undecylenic acid derivatives depicted by Formula (I),;[B] one or more octanoic acid derivatives depicted by Formula (II),;and [C] 2-phenoxy ethanol or 2-ethyl hexyl glyceryl ether or mixture of these two ‘liquid alcohol ethers’; wherein, each of the two components [A] and [B] is present in the range of 5 to 20% by weight and together [A] and [B] constitute 10 to 30% by weight and the ‘liquid alcohol ether’, component [C], is present 70 to 90% by weight of the total preservative composition. A method for preserving personal care product from microbial attack is provided containing an aqueous phase comprising three component composition from about 0.5 to 2.5% by weight of the total personal care formulation. |
| 主权项 |
1. A antimicrobial preservative composition for preservation of topical personal care formulations comprising [A] one or more undecylenic acid derivatives depicted by Formula (I), wherein, M=NH—CH2—OH NH—CH2CH2—OH, N—(CH2CH2—OH)2, NHCH2CH2CH2N(CH3)2, NHCH2CH2CH2N(CH3)2→O, NHCH2CH2CH2N+(CH3)3CH3SO4− NHCH2CH2CH2N(CH3)2CH2—CH2N+(CH3)2—CH2COO− NH—CH2CH2—CH2N+(CH3)2—CH2(OH)CH2CH2SO2O−, OCOR′ (R′=alkyl group with C1 to C18), O—CH2CH2—OH, O—CH(OH)CH2—OH, O-poly-ol O—CH2CH2—OR′ (R′=undecylenoyl), O—C(CH3)2—OH, protein (animal or vegetable derived) hydrolyzate (through nitrogen end), NH—CH2CH2—O—(O—CH2CH2)n—CO(CH)—COONa)—CH2—(SO3Na), n=0 to 3; [B] one or more octanoic acid derivatives depicted by Formula (II), wherein, M=NH—CH2—OH, NH—CH2CH2—OH, N—(CH2CH2—OH)2, or NH—CH2COOH; and [C] 2-phenoxy ethanol or 2-ethyl hexyl glyceryl ether or mixture of these two liquid alcohol ethers; wherein, each of the two components [A] and [B] is present in the range of 5 to 20% by weight and together [A] and [B] constitute 10 to 30% by weight and the liquid alcohol ether, component [C], is present 70 to 90% by weight of the total preservative composition. |
