Fragrance delivery systems for personal care articles

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Cosmetic – antiperspirant – dentifrice

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424 701, 424 65, 424400, 512 18, 512 21, 512 27, A61K 700, A61K 732, A61K 706, A61K 746

Patent

active

061269530

DESCRIPTION:

BRIEF SUMMARY
FIELD OF THE INVENTION

The present invention relates to fragrance delivery systems suitable for use in personal care and personal hygiene articles, inter alia deodorants, anti-perspirants, suntan lotions, hair sprays, mousses, shaving creams, body lotions and creams, depilatories, facial masks, athletic rubs and creams. The fragrance delivery systems comprise one or more pro-accord molecules, each molecule capable of releasing one or more fragrance raw materials. In addition, each pro-accord is capable of releasing a different accord (mixture of fragrance raw materials) if used in a different type of composition (i.e. hair spray vs. roll-on deodorant).


BACKGROUND OF THE INVENTION

Humans have applied scents and fragrances to their skin since antiquity and have used fragrances and scents to enhance the aesthetic quality of their environment inter alia clothing and living space. Originally these aesthetically pleasing materials were commonly isolated in raw form as resins, gums or essential oils from natural sources, inter alia, the bark, roots, leaves and fruit of indigenous plants. These resins, gums, and oils were directly applied to the body or diluted with water or other solvent, including in some cases, wine. With the advent of modern chemistry, individual components responsible for the odor properties of these resins, gums and oils were isolated and subsequently characterized. Aside from aesthetic-purpose items inter alia fine perfumes, colognes, eau de toilettes, after-shave lotions, a wide variety of personal care or personal hygiene items deliver fragrances and scents to the human body.
It is well known that mixtures of perfume or fragrance raw materials when deposited on hair or skin lose intensity and may change character with time, mainly due to factors such as differential evaporation and surface penetration. Many attempts have been made to minimize these drawbacks, but so far without notable success. Particularly, efforts have been made to prolong the diffusion, as well as to improve other characteristics of fragrance materials, by e.g. increasing the fragrance raw material concentration or by using additives such as silicones, glycerol, polyethylene glycols and so on. Such additions, however, have never been adequate to increase the longevity of the fragrance odor.
Accordingly, there remains a need in the art for a fragrance delivery system which can be formulated into any type of product used to deliver an aesthetically pleasing fragrance to the skin or hair via personal care or personal hygiene article which results in delivery of fragrance raw material mixtures having a lasting fragrance impression, therefore, the fragrance must be slowly released.


BACKGROUND ART

The following relate to the subject matter of fragrance ingredients. U.S. Pat. No. 5,626,852 Suffis et al., issued May 6, 1997; U.S. Pat. No. 5,232,612 Trinh et al., issued Aug. 3, 1996; U.S. Pat. No. 5,506,201 McDermott et al., issued Apr. 9, 1996; U.S. Pat. No. 5,378,468 Suffis et al., issued Jan. 3, 1995; U.S. Pat. No. 5,266,592 Grub et al., issued Nov. 30, 1993; U.S. Pat. No. 5,081,111 Akimoto et al., issued Jan. 14, 1992; U.S. Pat. No. 4,994,266 Wells, issued Feb. 19, 1991; U.S. Pat. No. 4,524,018 Yemoto et al., issued Jun. 18, 1985; U.S. Pat. No. 3,849,326 Jaggers et al., issued Nov. 19, 1974; U.S. Pat. No. 3,779,932 Jaggers et al., issued Dec. 18, 1973; JP 07-179,328 published Jul. 18, 1995; JP 05-230496 published Sep. 7, 1993; WO 96/14827 published May 23, 1996; WO 95/04,809 published Feb. 16, 1995; and WO 95/16660 published Jun. 22, 1995. In addition, P. M. Muller, D. Lamparsky Perfumes Art, Science, & Technology Blackie Academic & Professional, (New York, 1994) is included herein by reference.


SUMMARY OF THE INVENTION

The present invention meets the aforementioned needs in that it has been surprisingly discovered that a mixture of perfume or fragrance raw materials (accords) can be released from one precursor pro-accord molecule and that these pro-accords can serve as a fragrance delivery system wherein a varyin

REFERENCES:
patent: 3779932 (1973-12-01), Jaggers et al.
patent: 3830930 (1974-08-01), Moeller et al.
patent: 3849326 (1974-11-01), Jaggers et al.
patent: 3870759 (1975-03-01), Inamoto et al.
patent: 4524018 (1985-06-01), Yemoto et al.
patent: 4994266 (1991-02-01), Wells
patent: 5081111 (1992-01-01), Akimoto et al.
patent: 5232612 (1993-08-01), Trinh et al.
patent: 5266592 (1993-11-01), Grub et al.
patent: 5378468 (1995-01-01), Suffis et al.
patent: 5506201 (1996-04-01), McDermott et al.
patent: 5626852 (1997-05-01), Suffis et al.
patent: 5739100 (1998-04-01), Horino et al.
P.M. Muller, D. Lamparsky Perfumes Art, Science & Technology Blackie Academic & Professional (New York, 1994) "Perfumery Applications: Functional Products", J.K. Funesti.
Chem. Abstracts #69416, vol. 117, No. 7, Aug. 17, 1992.
Chem. Abstracts #278389, vol. 119, No. 26, Dec. 27, 1993.

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