Local anesthetic

Details Local anesthetic Local anesthetic

C - Chemistry, Metallurgy

07

C

C07C 43/11 (2006.01) A61K 31/08 (2006.01) A61K 31/765 (2006.01) C07C 41/03 (2006.01) A61K 7/50 (1990.01)

Patent

CA 2096027

2096027 9208684 PCTABS00013 Disclosed are mixtures of homologous lauryl polyglycol ethers of the formula: C12H25O(CH2-CH2O)x-H in which C12H25 is a straight-chain primary alkyl group and x has a mean value of 5 to 7. The homologous range of the ethers in the mixture is narrow, at least 75 % by wt. of the homologous mixture consisting of homologues with x = 4 to 8 glycol ether groups. Such mixtures exhibit a high local-anaesthetic action and are suitable for use as active substances in topical therapeutic and cosmetic applications.

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