US 7,538,081 B2
Method and agent for enhancing diffusivity and long-lasting property of fragrance
Kenya Ishida, Kanagawa (Japan); Takashi Nishida, Rockleigh, N.J. (US); Hiroyuki Matsuda, Kanagawa (Japan); Hisao Iwai, Kanagawa (Japan); and Toshimitsu Hagiwara, Kanagawa (Japan)
Assigned to Takasago International Corporation, Tokyo (Japan)
Filed on Sep. 12, 2001, as Appl. No. 9/949,718.
Claims priority of application No. P. 2000-275928 (JP), filed on Sep. 12, 2000.
Prior Publication US 2002/0054893 A1, May 09, 2002
Int. Cl. A61K 8/00 (2006.01)
U.S. Cl. 512—19  [514/613] 1 Claim
 
1. A method for enhancing the diffusivity and long-lasting property of a fragrance, wherein the fragrance is:
at least one carbonyl compound selected from the group consisting of 10-oxa-16-hexadecanolide, styrallyl acetate, ethyl 2,2,6-trimethylcyclohexane carboxylate and hexamethylhexahydrocyclopenta-benzopyran, which at least one carbonyl compound is the fragrance whose diffusivity and long-lasting property is enhanced, which method comprises adding
(i) at least one compound selected from the group consisting of compounds represented by the general formula (1) and compounds represented by the general formula (2):

OG Complex Work Unit Drawing

OG Complex Work Unit Drawing
wherein A represents H or an OH group; B represents H or a methyl group; and n represents an integer of from 0 to 2, to said fragrance.