Cool feeling composition

Details Cool feeling composition Cool feeling composition

1999-08-04

2001-12-11

Jones, Dameron L. (Department: 1619)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

C424S400000, C568S300000, C568S579000

Reexamination Certificate

active

06328982

ABSTRACT:

FIELD OF THE INVENTION
This invention relates to a cool feeling composition, which is to be used in various products such as cosmetics, toiletries, cataplasms, bath agents and pharmaceutical compositions and exhibits a long-lasting and strong cool feeling.
BACKGROUND OF THE INVENTION
With the recent drastic changes in consumer' life style and needs, there arises a trend toward various products (cosmetics, toiletries, cataplasms, bath agents, pharmaceutical compositions, etc.) having not only the inherent functions thereof but also an additional effect of providing a refresh feeling during or after using. Accordingly, there have been widely marketed products capable of imparting an additional effect of providing a refreshing feel during or after using. Such products with a need for a refreshing feel are typified by cosmetics to be used in summer, toiletries such as shampoos, cataplasms, bath agents, insect-repellent sprays, etc.
To satisfy the requirement as described above, these products contain various cool feeling agents exemplified by l-menthol, camphor, eugenol, methyl salicylate, menthyl malonate, borneol, cineol, menthone, spearmint, peppermint, l-isopulegol, 3-(l-menthoxy) propane-1,2-diol, p-menthane-3,8-diol, l-menthyl-3-hydroxybutyrate, glycosyl-mono-menthyl-o-acetate, etc.
To satisfy the increasing demand on the market for these cool feeling agents, there has been performed research and development to provide novel cool feeling agents. Also, attempts have been made to enhance an improved cool feeling by combining two or more cool feeling agents or combining cool feeling agents with other substances and to improve the cool feeling or feel in using by examining the compatibility of cool feeling agents with various components in the products. For example, it is known to use 3-(l-menthoxy)propane-1,2-diol together with a specific glyceryl ether (JP-A-63-208505; the term “JP-A” as used herein means an “unexamined published Japanese patent application”) or to use 3-(l-menthoxy)propane-1,2-diol together with a hydrophilic polyether-denatured silicone (JP-A-63-264522). However, none of the known cool feeling agents as described above can achieve a satisfactorily strong and long-lasting cool feeling.
As a method for improving the cool feeling strength and persistence, JP-A-6-107527 proposes a hair wash composition with the combined use of a specific cool feeling agent and a specific warm feeling agent. Although this composition shows a somewhat elevated cool feeling effect, the thus obtained effect is still unsatisfactory. It is therefore required to develop a cool feeling agent capable of showing further improved cool feeling strength and cool feeling persistence.
SUMMARY OF THE INVENTION
Accordingly, an object of the present invention is to provide a cool feeling composition which is superior in cool feeling strength and cool feeling persistence to the cool feeling agents proposed conventionally.
Another object of the present invention is to provide a cool feeling composition which shows a high compatibility when used in various products (cosmetics, toiletries, cataplasms, bath agents, pharmaceutical compositions, etc.) and is excellent in cool feeling strength and cool feeling persistence.
Another object of the present invention is to provide a cool feeling composition with a long-lasting effect capable of imparting an excellent refreshing feel to various products (cosmetics, toiletries, cataplasms, bath agents, pharmaceutical compositions, etc.) during or after using.
Another object of the present invention is to provide various products (cosmetics, toiletries, cataplasms, bath agents, pharmaceutical compositions, etc.) which are excellent in cool feeling strength and cool feeling persistence.
To solve the above-described problems, the present inventors have conducted intensive studies. As a result, they have found that a cool feeling composition having a cool feeling strength 2 to 5 times higher than that of the conventional products and a cool feeling persistence 2 to 10 times longer than that of the conventional ones can be obtained by blending vanillyl butyl ether with a specific cool feeling agent, thus completing the present invention.
Accordingly, the present invention provides a cool feeling composition comprising: (a) at least one cool feeling agent selected from the group consisting of l-menthol, l-isopulegol, 3-(l-menthoxy)propane-1,2-diol and p-menthane-3,8-diol; and (b) vanillyl butyl ether.


REFERENCES:
patent: 63-208505 (1988-08-01), None
patent: 63-264522 (1988-11-01), None
patent: 6-107527 (1994-04-01), None
patent: 7-228887 (1995-08-01), None
patent: 9702273 (1923-01-01), None

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