Herbal deodorant

Details Herbal deodorant Herbal deodorant

2001-02-01

2002-08-20

Hartley, Michael G. (Department: 1617)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

C424S725000, C424S065000, C424S068000, C514S944000, C514S945000, C514S951000

Reexamination Certificate

active

06436415

ABSTRACT:

BACKGROUND OF THE INVENTION
The invention relates to a deodorant composition, employing only natural bacterides for personal use.
To be effective, a personal deodorant must reduce odor. It is known that odor from perspiration is caused by bacteria metabolizing the rich supply of proteins and lipids supplied by the apocrine sweat glands. Gram positive lipophilic diphtheroids and micrococci have been identified as the bacterial flora causing the odor in the armpit. The diphtheroids produce the typical pungent axillary odor and the micrococci produce a sweaty isovaleric acid type odor. Moisture and minerals secreted by the eccrine sweat glands serve to enrich and replenish axilla flora.
In order for a deodorant to work properly, it must:
a) Adhere to the skin and resist washing away easily with sweat,
b) Sufficiently reduce populations of diphtheroids and micrococci and their subsequent metabolic end products, and
c) Mask the presence of androgen steroids (produced by bacteria) which are detectable by the human nose at very low concentrations.
The use of natural bactericides is known in the art. For example, Kabara U.S. Pat. No. 4,002,775 and Hoppe et al. U.S. Pat. No. 4,921,694 describe lauroyl monoesters of glycerin and synergistic mixtures having antibacterial activity. Also EP Patent Publication No. 376761, German Patent Nos. 23 54 517, 23 51 927 and 2351 864, United Kingdom Patent Publication No. 1,475,226 describe the deodorizing effects of lichen acid, and especially usnic acid. A herbal deodorant was disclosed in U.S. Pat. No. 5,260,053. A natural deodorant composition was patented in U.S. Pat. No. 5,098,694. JP 63 264516 A (Lion Corp) (Derwent WPI 89-091239) discloses deodorizing effects of plant extracts from e.g. Myrtaceae and Lauraceae among others.
SUMMARY OF THE INVENTION
It is an object of the invention to provide a deodorant composition that has active antibacterial constituents consisting essentially of natural plant extracts, and that is essentially free of alcohols and aluminum.
According to one aspect of the invention, the deodorant composition comprises a liquid roll-on deodorant. According to another aspect of the invention, the deodorant can be in the form of a stick deodorant. It is also possible to formulate deodorant compositions in accordance with the invention in the form of a spray, cream, ointment or powder.
The main active ingredients in the deodorant composition according to the invention are the plant extracts of a) Myrtus (myrtle), b)
laurus nobilis
(sweet bay), Drosera (sundew) and Myrrhis resin.
Pinus sibirica
resin may be substitutes for myrrhis resin. By Drosera we include
Drosera rotundifolia
and
Drosera longustifolia
. The remainder of the composition constitutes the carrier which is basically inactive as a deodorant.
The carrier is preferably only water but may also contain fragrances. Deodorants which contain fragrances, for example, may be more commercially popular. Various known natural cosmetically acceptable ingredients may be added to counteract skin irritation.
Suitable salts are potassium hydroxide, sodium hydroxide, and potassium-, sodium-, ammonium carbonate, or ammonium hydroxide.
Preservatives such as parabens, and stabilizers such as antioxidants and UV-filter substances e.g. benzophenones or thickeners such as hydroxypropylcellulose may be added.
As was mentioned earlier, the deodorant composition of the invention contains plant extracts of Myrtus and
Laurus nobilis
with Drosera extract as synergist and Myrrhis resin which absorbs the color of the other active ingredients.
The carrier may contain the following ingredients and ranges:
humectant/solvent up to 40%
salt up to 0.5%
fragrance up to 5%
emollient up to 10%
water up to 95%
The composition of the invention is made by simply mixing together the appropriate ingredients in the usual manner and placing the composition in the desired vehicle for administration.
DETAILED DESCRIPTION OF THE INVENTION
The deodorant composition of this invention has active antibacterial constituents consisting essentially of natural materials. In a preferred embodiment of this aspect of the invention, the deodorant composition for liquid roll-on and stick deodorants consists essentially of the following ingredients, with the preferred ranges given by weight percent: (a) Myrtus [Mytrus] extract, about 2% to 8%, preferably about 3% to 6%, and more preferably about 4%; and (b) extract of
Laurus nobilis
about 1% to 5%, preferably about 2% to 4%, and more preferably about 3%. In addition, the deodorant composition contains (c) extract of
Drosera about
1% to 7%, preferably about 2% to 5%, and most preferably about 4% and/or resin of
Myrrhis
3% to 6%, preferably about 4% to 5%, and most preferably about 4.5%. The composition also preferably contains 0.2% to 0.8% SEPIGEL, a mixture of polyacrylamide, C
13-14
isoparaffin and laureth-7 sold by Seppic Corporation.


REFERENCES:
patent: 4002775 (1977-01-01), Kabara
patent: 4921694 (1990-05-01), Hoppe et al.
patent: 5098694 (1992-03-01), Komp et al.
patent: 5260053 (1993-11-01), Chappell et al.
patent: 23 51 864 (1975-04-01), None
patent: 23 51 927 (1975-04-01), None
patent: 23 54 517 (1975-05-01), None
patent: 0 376 761 (1990-07-01), None
patent: 2 504 551 (1982-10-01), None
patent: 1475226 (1977-06-01), None
patent: 2 262 887 (1993-07-01), None
patent: 63-264516 (1988-11-01), None
patent: 01068264 (1989-03-01), None
patent: 05269186 (1993-10-01), None
patent: 06190027 (1994-07-01), None
patent: 07171209 (1995-07-01), None
patent: 971333 (1982-11-01), None
patent: WO97/18823 (1997-05-01), None
JPO (U-1) and Derwent (U-2) abstracts, Shoji et al., JP-05269186-A, Oct. 1993.*
JPO (V-1) and Derwent (V-2) abstracts, Ota, JP-06190027-A, Jul. 1994.*
JPO abstract, Mizobuchi, JP-07171209-A, Jul. 1995.*
JPO abstract, Yamamoto et al., JP-01068264-A, Mar. 1989.

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