US3775538A - Inhibition of perspiration - Google Patents

Inhibition of perspiration Download PDF

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Publication number
US3775538A
US3775538A US00106587A US3775538DA US3775538A US 3775538 A US3775538 A US 3775538A US 00106587 A US00106587 A US 00106587A US 3775538D A US3775538D A US 3775538DA US 3775538 A US3775538 A US 3775538A
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perspiration
compound
carbon atoms
antiperspirant
compounds
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Salva S De
C Costello
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Colgate Palmolive Co
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Colgate Palmolive Co
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q15/00—Anti-perspirants or body deodorants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/4973—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
    • C07D307/84—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D313/00—Heterocyclic compounds containing rings of more than six members having one oxygen atom as the only ring hetero atom
    • C07D313/02—Seven-membered rings
    • C07D313/06—Seven-membered rings condensed with carbocyclic rings or ring systems
    • C07D313/08—Seven-membered rings condensed with carbocyclic rings or ring systems condensed with one six-membered ring

Definitions

  • n is from 1 to 3
  • R is alkylene of 1 to carbon atoms
  • R and R are alkyls of 1 to 5 carbon atoms or are conjoined to form a nitrogen-containing ring having from 4 to 6 carbon atoms; such compounds substituted with non-interfering atoms or radicals on the carbon atoms thereof; or salts of the compounds.
  • the perspiration-inhibiting compound is 3-phenyl-3-carbo- (beta-diethylamino)-ethoxy 2,3 dihydrobenzofuran hydrochloride, it is present in a cosmetic composition at a concentration of from 0.02 to 1.0% and application is to the human axillae in sufficient quantity to deposit a total of from 0.1 to 20 milligrams of the perspirationinhibiting compound. Also described are cosmetic compositions containing the active perspiration-inhibiting compound.
  • This invention relates to a method for inhibiting the production of perspiration, especially human perspiration from the axillae. More particularly, the perspiration-inhibiting method includes topical application to the axillae or other sweat-producing portions of the body of a compound of the formula:
  • composition preferably in solution or emulsion in a cosmetic composition.
  • a cosmetic composition is also within the invention.
  • the active antiperspirant ingredient is usually an astringent salt of aluminum, zinc, zirconium or rare earth metal.
  • Such salts are generally not immediately effective antiperspirants upon first use and often require a number of applications over a period of time to reach a desired level of antiperspirant activity.
  • the salts also tend to react with the skin and change its chemical composition. Therefore, work has been undertaken to discover compounds which will quickly have desired antiperspirant activities, without the need for a series of 3,775,538 Patented Nov. 27, 1973 ice applications to obtain useful antiperspirant effects. Of course, such products should also be harmless to clothing and the skin.
  • anticholinergic materials have been employed as antiperspirants. They pharmacologically prevent the stimulation of the eccrine sweat glands by interfering with the activity of acetylcholine.
  • the present inventors have discovered that their compounds, and derivatives thereof, which have previously been characterized as being analgesics, hypotensive agents, local anesthetics and antispasmodics, also possess significantly useful antiperspirant properties upon being topically applied to sweatgenerating areas of the body.
  • a method for inhibiting perspiration comprises applying to the locus of sweat glands and/or ducts a perspiration-inhibiting amount of a compound of the formula:
  • n is from 1 to 3
  • R is alkylene of 1 to 5 carbon atoms
  • R and R are alkyls of l to 5 carbon atoms or are conjoined to form nitrogen-containing rings having from 4 to 6 carbon atoms; such compounds substituted with non-interfering atoms or radicals on the carbon atoms thereof; or salts of such types of compounds.
  • a preferred compound to be used is 3-phenyl-3-carbo-(beta-diethylamino)-ethoxy-2,3-dihydrobenzofuran hydrochloride.
  • the antiperspirant compound is preferably applied as a constituent of an aqueous cosmetic solution or emulsion. Such cosmetic is also a part of the present invention.
  • the active perspiration-inhibiting compounds of this invention are those wherein n is from 1 to 3, preferably 1 or 2 and most preferably 1 or thereabout.
  • the dihydrobenzofuran compounds are considered to be the most active of these materials but in particular applications the compounds based on pyrans are sufiiciently active to be preferably employed either in place of or in supplement of the furan based materials.
  • R is ethylene, n-propylene and isopropylene are also acceptable to make an active antiperspirant and often the methylene, butylene and amylene radicals are effective, so that in comparatively broad embodiments of the invention R may be alkylene of 1 to 5 carbon atoms, straight-chained or branched.
  • the R and R substituents on the amino nitrogen may be any suitable lower alkyls but generally are of 1 to 5 carbon atoms, preferably of 2 to 3 carbon atoms and most preferably, are both ethyl radicals. It is not required that R and R be identical although compounds in which they are the same are preferred. R and R may be conjoined to form a nitrogen-containing ring of 4 to 6 carbon atoms. It is preferred that, in addition to the amino nitrogen, only carbon atoms be in such a ring.
  • the unsubstituted compounds of the formulas given above are presently preferred but it is within this invention to substitute for hydrogen atoms thereof other noninterfering atoms or radicals. Such substitution will normally be limited to no more than 20% of the hydrogen atoms present, preferably to 10% or fewer thereof. The substitution may be on the aliphatic carbon atoms although it will be more common and more acceptable to substitute on the aromatic carbon atoms. Substituents may be any suitable atoms or radicals which are non-interfering with the antiperspirant activity of the compound or, in some cases, which may improve such activity.
  • substituents which may be present are halogens, including bromine, chlorine, iodine and fluorine; nitro; amino; hydroxyl; lower alkyl, especially of 1 to 3 carbon atoms and preferably, ethyl; and lower alkoxy, preferably of l to 3 carbon atoms.
  • halogens including bromine, chlorine, iodine and fluorine
  • nitro amino
  • hydroxyl lower alkyl, especially of 1 to 3 carbon atoms and preferably, ethyl
  • lower alkoxy preferably of l to 3 carbon atoms.
  • the unsubstituted or substituted active compounds are salt-forming, preferably of such a type as to be substantially water soluble.
  • Such salts are those of acids, such as the hydrohalic acids, e.g., hydrobromic acid, hydrochloric acid, hydroiodic acid and, in some cases, hydrofluoric acid.
  • the hydrohalic acids are preferred salt-forming acids, especially useful with the unsubstituted compounds, various other well known acids capable of forming salts with amines may be utilized, such as sulfuric acid, sulfurous acid, acetic acid, phosphoric acid, boric acid, gluconic acid and carbonic acid.
  • Salts resulting from reactions with such acids or similar salt-forming materials will usually be of greater water solubility than the starting active compound and therefore, will be more readily soluble in and compatible with aqueous media usually employed for application of the active compounds to the loci of perspiration glands and ducts.
  • the active compounds of the types herein described are solids, they are usually incorporated into liquid, paste, gelatinous, spray and other suitable media to assist in their being better applied topically to the locus wherein perspiration is normally generated.
  • various vehicles may be utilized, including the water soluble monohydric and polyhydric alcohols, e.g., alcohols of from 1 to 6 carbon atoms and 1 to hydroxyls, such as ethanol, propanol, isopropanol, glycerol, sorbitol, ethylene glycol, propylene glycol; poly-lower alkylene glycols such as polyethylene glycols (Carbowaxes of molecular weights from 300 to 10,000); monoglycerides in which the fatty acid component is of 12 to 18 carbon atoms, e.g., glyceryl monolaurate, plus other materials to improve various properties of the cosmetic preparations, the most important carrier for the anhidrotic compound will usually be water.
  • the water employed will preferably be deionized water or water low in dissolved salts or hardness ions.
  • the hardness of the water will be under parts per million, calculated as calcium carbonate.
  • deionized water is used in most such cosmetic formulations to prevent any possible interference of the hardness ions with antiperspirant activity, which might be caused by precipitation of insoluble salts, in many cases it will be possible to employ cit tap water, usually having less than 100 ppm. of hardness, as calcium carbonate. Waters of greater hardnesses are useful so long as the composition is one in which precipitation of insoluble salts does not adversely affect the final product.
  • the water used may be that employed to dissolve or disperse a constituent raw material of the product.
  • a wetting agent be present.
  • the nonionics are considered to be best, although in many applications other surface active compounds, which may be amphoteric, anionic of cationic, are also useful.
  • a preferred nonionic surface active agent is of the type sold under the trade name Pluronic a condensation product of ethylene oxide with a hydrophobic base portion obtained by condensing propylene oxide with propylene glycol.
  • Pluronics are suitable, including those identified as L61, L64 and F68, with the last mentioned being preferred.
  • the molecular weights of such and similar condensation products of lower alkylene oxide with a lower alkylene oxide-lower alkylene glycol hydrophobic base are usually from about 2,000 to 20,000 and the lower alkylenes are of 2 to 4 carbon atoms, with those of three or four carbon atoms being used to make the hydrophobic portion of the molecule, which generally has molecular weight of from about 1,200 to 2,500, preferably 1,500 to 1,800.
  • Such compounds include detergents that are polyalkylene glycol esters, ethers or thioethers, wherein the hydrophobic portions of the molecules contain from about 8 to 18 carbon atoms and the number of alkylene oxides, almost always ethylene oxide, is from about 3 to 50.
  • the hydrophobic groups may be lOng chain fatty alcohols or acids of 8 to 18 carbon atoms, or alkyl phenols or alkyl thiophenols in which the alkyl groups are of 6 to 12 carbon atoms, preferably of eight or nine carbon atoms, either straight chained or branched. Also useful are the tertiary trialkyl amine oxides wherein one alkyl has 10 to 18 carbon atoms and the other two are of l to 3 carbon atoms.
  • nonionic surface active agents include lauryl polyethoxy ethanol wherein there are present 20 moles of ethylene oxide per mole of fatty alcohol, nonyl phenol polyethoxyethanol having 15 moles of ethylene oxide per mole and dodecyl dimethylamine oxide.
  • amphoteric compounds such as the alkyl beta-imino dipropionates, imidazoline compounds of the Miranol type and alkyl beta-amino propionates, the alkyl groups of which compounds are of 8 to 14 carbon atoms, are also useful.
  • the cationic surface active agents are generally quaternary ammonium salts wherein one or two of the substituents on the quaternary nitrogen are hydrophobic long chain radicals and two or three are short chain alkyls, with the salt-forming ion being any suitable such ion, such as halide, including chloride, iodide and bromide, phosphates, nitrate, methosulfate, sulfate or sulfonate.
  • the hydrophobic substituents will contain from 8 to 25 carbon atoms, either as aliphatic or aliphatic-aromatic radicals, e.g., alkyl or alkyl benzene.
  • Specific examples of quaternary compounds are cetyl trimethyl ammonium bromide, benzethonium chloride, N- cetyl pyridinium bromide, and dodecyl dimethyl benzyl ammonium chloride.
  • the anionic surface active agents that are useful there may be mentioned the sulfated and sulfonated synthetic organic detergents, such as the higher slkyl sulfates; the higher alkyl aromatic sulfonates; the sulfonated amides of higher fatty acids; the higher fatty acid monoglyceride sulfates; the higher alkyl poly-lower alkoxy ether sulfates and sulfonates; the higher olefin sulfonates; and the mono and di-higher alkyl sulfosuccinates.
  • the saltforming ions will preferably be sodium, potassium, ammonium or lower alkanolammonium.
  • the alkyls will usually be of 8 to 18 carbon atoms and the lower alkoxies will be of 2 to 3 carbon atoms, preferably two carbon atoms.
  • Specific examples of such materials which may be employed include: sodium lauryl sulfate; sodium noctadecyl sulfate; monoethanolammonium pentadecyl sulfate; diethanolammonium oleyl sulfate; sodium dioctyl sulfosuccinate; sodium nonyl benzene sulfonate; potassium pentadecyl benzene sulfonate; sodium tridecyl benzene sulfonate; sodium salt of the lauric acid amide of taurine; sodium coconut oil monoglyceride sulfate; sodium N-lauroyl sarcoside; and the potassium salt of the oleic acid ester of isethionic acid. Also useful are the higher fatty acid soaps, such
  • the various vehicles and surface active agents improve the power of the active ingredient to contact the entire surface of the skin to which it is applied and thereby help make it more effective, they also often facilitate the production of the antiperspirant compound of a composition, containing the antiperspirant compound, which is cosmetically desirable and which is in an acceptable physical state for application by the user.
  • Solutions, emulsions, gels, powders, sprays, including aerosols may be made from such ingredients alone.
  • various adjuvants will also be present, either to improve the appearance, physical characteristics or cosmetic acceptability of the product or to give it other desirable properties.
  • thickening agents e.g., hydroxypropyl methyl cellulose, polyvinyl pyrrolidone polyvinyl alcohol, sodium carboxymethyl cellulose
  • humectants e.g., glycerol, propylene glycol
  • emulsifiers pH-regulating agents, such as salts of weak acids and strong bases or strong acids and weak bases, e.g., sodium acetate, borates
  • perfumes dyes; pigments, preferably water dispersible
  • carriers e.g., talc, diatomaceous earth
  • sequestrants e.g., trisodium nitrilotriacetate, tetrasodium ethylene diamine tetraacetate
  • fatty materials and oils e.g., paratfin, petrolatum, monoglycerides, diglycerides, stearic acid
  • propellants e.g., propellants 11, 12, 114
  • astringent salts and other anhidrotic compounds may also be employed to supplement the actions of the present active materials.
  • aluminum chloride, aluminum chlorhydroxide, zirconium chloride, zinc phenolsulfonate, aluminum sulfate and other such astringents may be used.
  • the astringent metal salts will be salts of aluminum, zirconium or zinc but other similarly efiective metal salts and other anhidrotic materials can either be incorporated in the present compositions or may be separately, sequentially applied to loci of sweating to obtain improved anhidrotic actions.
  • the proportion of active antiperspirant compound of the formula previously given which is present in the antiper pirant compositions will usually be from 0.01 to 2%, preferably from 0.02 to 1.0% and most preferably from 0.05 to 0.5%.
  • active antiperspirant compound of the formula previously given which is present in the antiper pirant compositions will usually be from 0.01 to 2%, preferably from 0.02 to 1.0% and most preferably from 0.05 to 0.5%.
  • .I-Iigher concentrations than those will not usually be proportionately more effective than medium or lower concentrations in the ranges set forth and in some cases, the amounts of anhidrotic compound could adversely affect body functions of some users.
  • the quantity of antiperspirant composition needed to apply a sufiicient amount of the anhidrotic compound may be so great as to be impracticable.
  • the medium for the antiperspirant compositions may constitute the remainder of the product but preferably, because of the utilities of desirable surface active agent component and other adjuvants, the medium, preferably aqueous or aqueous alcoholic, will be from 50 to 99.8%, preferably from 6 75 to 99% and most preferably from to 99% of the final product.
  • the surface active agent preferably a nonionic detergent material, although wetting agents and hydrotropic compounds may also be used, will generally be from 0.2 to 20% of the composition, preferably from 0.5 to 10% and most preferably 0.5 to 3% thereof. Utilizing such ratios, the desired wetting effect is obtained and the amount of wetting agent employed is not so great as to make the composition unduly sticky or otherwise objectionable.
  • the dryness and lack of stickiness of the product are useful advantages thereof and therefore, the proportions of adjuvants, non-evaporating vehicles and other constituents will normally be held as low as feasible. If, however, additive or synergistic effects are obtainable by utilizing an astringent metal salt with the active anhidrotic compound and are important enough, such materials may also be present in these compositions.
  • the proportions thereof will be from 1 to 20%, preferably from 1 to 10%, and most preferably, about 2 to 5%.
  • the particular metal salts and other constituents present in the composition will be chosen so as to be compatible with the active anhidrotic compound utilized.
  • the various adjuvants employed will usually constitute only a minor proportion of the composition. However, in aerosol sprays or powders, this proportion may be increased to as much as 98%.
  • the total proportion of adjuvants present will be from 0.1 to 25%, preferably from 0.1 to 15% and most preferably from 0.5 to 5%.
  • Individual adjuvants, other than those of the two types mentioned specifically above will ordinarily be limited to from 0.1 to 10%, preferably from 0.1 to 5% and most preferably from 0.1 to 2% of the composition.
  • the amounts of the mentioned compositions which' will be applied at any one time will generally be such as to deposit rather evenly on the locus to be treated, usually the human axillae, from 0.1 to 20 milligrams of the active anhidrotic compound, e.g., 3 phenol 3 carbo-(beta-diethylamino)-ethoxy 2,3 dihydrobenzofuran hydrochloride. Preferably, from 0.1 to 10 milligrams and most preferably, from 0.5 to 5 milligrams will be applied. When application is to the axillae, approximately half the total amount will be applied to each. Applications to other portions of the body will normally be regulated so that the amounts of the active anhidrotic compound applied will be proportional to the sweating normally observed thereon.
  • the active anhidrotic compound e.g., 3 phenol 3 carbo-(beta-diethylamino)-ethoxy 2,3 dihydrobenzofuran hydrochloride.
  • the active anhidrotic compound e.
  • compositions and methods are most useful in the treatment of human adult sweating and ordinarily would not be used by children or animals, it is also within the invention for them to be so employed.
  • the amounts to be applied in such cases will be adjusted in accordance with the previously given factors and the limits on applications will usually be pro portional to the weight of the subject, compared to an adult human being.
  • anhidrotic compound or antiperspirant composition used will satisfy the above-mentioned requirements for effective application of the active ingredient.
  • the total amount of composition applied will be from 0.1 to 5 milliliters and most preferably, from 0.5 to 2 milliliters. The amounts given will be halved for each axilla when the composition is being applied to both axillae.
  • compositions of this invention in solution, emulsion, spray, powder or other form will normally be made to the locus to be treated at room temperature, preferably from a rollon applicator or by dabbing or padding the skin.
  • the composition may be applied as a cream or 10- tion, an aerosol spray, either liquid or powder, or as a antiperspirant talcum powder.
  • Application may be efiected once a day, although up to three such applications per day, in the case of a severe problem, may be employed.
  • anhidrotic compound applied (the term excludes the astringent metal salts, for purpose of description herein) will be limited to the maximum limits previously recited, over a 24 hour period.
  • the locus being treated will usually be the axillae but useful application may be made to the chest, back, buttocks, arms, palms, face, forehead, pubic region, legs and feet. Application is usually topical but may be subcutaneous or iontophoretic, too.
  • anhidrotic compound or composition containing it After application of the anhidrotic compound or composition containing it, a diminution of excretion of perspiration will be noted, generally beginning a short time after application of the anidrotic compound, usually within one to three hours. The effect will gradually increase, with a maximum antiperspirant activity being noted at a time about 4 to hours after application, followed by a gradual diminution of such activity until, after about to 24 hours, little effect is observed.
  • the anhidrotic compound is employed with other similar materials or with the astringent metal salts, the additive and sometimes, the synergistic effects obtained from the presence of such combinations of materials, allow even more prompt initiation of antiperspirant activity and extend it over a longer period of time. Needless to say, to obtain such desired effects it is important that interfering reactions between constituent materials of the compositions employed should be avoided and the materials will be selected with this consideration in mind.
  • the anhidrosis resulting from following the procedures of the present invention is not perfect and, desirably, some perspiring is permitted, which is considered to be beneficial.
  • the pores are not completely closed but the excessive perspiration which often results in an uncomfortable wetness in the axillae and which gives rise to chemical changes that produce malodorous products, may be avoidable.
  • the diminution of perspiration is noted in panel tests, utilizing a number of human subjects with a variety of perspiration problems and is also confirmed in in vitro animal tests wherein sweating is stimulated by application of pilocarpine or electrical shock to the loci of the sweat glands and ducts being topically or subcutaneously treated.
  • the present invention results in several significant advantages and allows the production of antiperspirant compositions which are superior in various respects to those presently on the market. Because the described anhidrotic compounds act to prevent the secretion of perspiration by the sweat glands, their use does not result in miliaria, which may accompany the antiperspirant use of astringent heavy metalsalts, such as those of aluminum, zirconium and zinc, presently employed in most commercial antiperspirants. The very small quantities of material necessarily applied do not feel sticky, heavy or drying to the skin. After about twenty hours the antiperspirant effect of the present anhidrotic compounds completely disappears, showing that the compounds are no longer present.
  • the present anhidrotic materials are compatible with various cosmetic bases, are safe to use, economical to manufacture and effective selectively at particular sites. They represent a useful advance in the antiperspirant cosmetic art.
  • Example 1 A preferred antiperspirant cosmetic composition is prepared by dissolving 3-phenyl-3-carbo-(beta-diethylamino) ethoxy-2,3-dihydrobenzofuran hydrochloride, hereinafter referred to as Compound A, at the rate of 0.5 gram per liter in a deionized water solution containing 1% of the nonionic surface active agent identified as Pluronic F68.
  • the product resulting is a clear solution, having a pH of about 6.
  • axillae of each of the subjects To the axillae of each of the subjects, are topically applied one milliliter portions of the subject antiperspirant composition, divided equally between the two axillae (/2 ml. applied to each axilla). Then, sponge pads are taped to the axillae and perspiration rates are determined by periodically removing the pads and weighing them to determine the amount of absorbed perspiration. In other tests, /2 ml. of the anhidrotic composition is applied to one of the axillae and other is left as a control, with perspiration rates being measured from each such axilla.
  • the axillae are observed after use of Compound A and are found to show no evidence of miliaria or of any other irritation or inflammation. No interferences with autonomic functions are observed except that desired, at the levels of application, nor do the subjects complain of any untoward reactions from the antiperspirant.
  • aqueous cosmetic antiperspirants such as a roll-on emulsion, a cream, an aqueous alcoholic spray, an aerosol spray or a lotion.
  • aqueous cosmetic antiperspirants such as a roll-on emulsion, a cream, an aqueous alcoholic spray, an aerosol spray or a lotion.
  • Such preparations may also contain metal salt antiperspirants, e.g., 2 to aluminum chlorhydroxide or anticholinergic agents, e.g., 0.0001 to 0.1% atropine or scopolamine, for an additive or synergistic antiperspirant effect.
  • Example 2 Other antiperspirant compositions are of the same basic formula as given in Example 1, with 500 or 50 milligrams per milliliter of active ingredient, 1% Pluronic F68 and the balance water. In these compositions, Compound A is replaced by the materials numbered 1-10, listed at column 3, line 35 of this specification. Any of the salt forms mentioned there or the corresponding acid forms are used.
  • R and R are changed from ethyl to lower alkyl, e.g., n-propyl, isopropyl or n-amyl, substantially the same antiperspirant effect is obtained.
  • R is changed from ethylene to other lower alkylene, such as isopropylene, namylene or n-propylene, similar action obtains.
  • n is 2 or 3 and when R and R conjoin, as in the formation of a pi'peridine ring, antiperspirant effects are obtainable but care should be taken so as to maintain n, R, R and R balanced for the best antiperspirant action.
  • Example 1 Compound A, hydrochloride and acid form.
  • They counteract the development of perspiration, while not interfering with autonomic functions and not causing miliaria or other adverse effects on the skin.
  • They also may be shown to be useful anhidrotic agents by the Cat Paw Assay test of De Salva et al. (Fed. Proc., 1969) and this test may be used to screen out the less effective of such materials.
  • Example 3 In addition to in vivo tests on humans, described in Example 1, more accurately reproducible tests of Compound A (see Example 1) are conducted, following the method described by De Salva et al. in Fed. Proc., 1969. By such method, both pilocarpineand electrically induced perspirations from cats paws are measured as water vapor by passing anhydrous air over the surface of the cats foot after treatment of the paw with Compound A, applied topically or subcutaneously. Subcutaneous application is found to be most effective, with from 20 to 2,000 micrograms of Compound A reducing perspiration completely, 4-10 micrograms reducing it 96% and 2 micrograms reducing it 60% in those cases where perspiration is induced by pilocarpine inoculation.
  • Example 3 describes a method which may be utilized for screening antiperspirants so as to determine which are most effective. When employed with the antiperspirant acids, as well as the salts, the test is equally valid and shows them to be effective anhidrotic agents.
  • a method of inhibiting perspiration which comprises topically applying to a locus of sweat glands or ducts a perspiration-inhibiting amount of a compound selected from the group consisting of compounds of the formula:
  • R is alkylene of 1 to 5 carbon atoms and R and R are each independently selected alkyls of l to 5 carbon atoms, and salts of such compounds selected from the group consisting of hydrobromic, hydrochloric, hydroiodic, sulfuric, sulfurous, acetic, phosphoric, boric, nitric, gluconic and carbonic acid salts.
  • n 1, R is of 2 to 3 carbon atoms and R and R are of 1 to 3 carbon atoms.
  • a method according to claim 2 wherein the locus to which the perspiration-inhibiting compound is applied is an axilla.
  • R is ethylene, R and R are both ethyl and the compound is a hydrohalic acid salt.
  • a method of inhibiting perspiration which comprises applying topically to a locus of sweat glands or ducts a perspiration-inhibiting amount of a compound of the formula:
  • n is from 1 to 3
  • R is alkylene of 1 to 5 carbon atoms and R and R are independently selected alkyls 0f 1 to 5 carbon atoms.
  • n 1, R is ethylene and R and R are each ethyl.

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AT (1) AT315378B (enrdf_load_stackoverflow)
AU (1) AU3781472A (enrdf_load_stackoverflow)
BE (1) BE778043A (enrdf_load_stackoverflow)
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CH (1) CH565557A5 (enrdf_load_stackoverflow)
DE (1) DE2201158A1 (enrdf_load_stackoverflow)
DK (1) DK132205C (enrdf_load_stackoverflow)
FR (1) FR2121690B1 (enrdf_load_stackoverflow)
GB (1) GB1375781A (enrdf_load_stackoverflow)
IT (1) IT1050203B (enrdf_load_stackoverflow)
NL (1) NL7200616A (enrdf_load_stackoverflow)
SE (1) SE381567B (enrdf_load_stackoverflow)
ZA (1) ZA7266B (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4517176A (en) * 1983-06-13 1985-05-14 The Gillette Company Anticholinergic glucuronide compounds and antiperspirant use thereof
US4650671A (en) * 1981-07-17 1987-03-17 Claus Riemann & Co. Aps Antiperspirant kit and method for controlling perspiration
US4741899A (en) * 1983-06-06 1988-05-03 Bristol-Myers Company Process for arresting the proliferation of organisms that convert axillary secretions to malodorous materials
US4824676A (en) * 1984-10-11 1989-04-25 Schering Corporation Physiological means of enhancing transdermal delivery of drugs
US5008111A (en) * 1984-10-11 1991-04-16 Schering Corporation Physiological means of enhancing transdermal delivery of drugs
US20030064040A1 (en) * 2001-09-26 2003-04-03 Lukacsko Alison B. Compositions and methods for inhibiting eccrine perspiration in humans

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7608720A (nl) * 1975-08-07 1977-02-09 Naarden International Nv Werkwijze voor het bereiden van deodorise- ringspreparaten.
NO149199C (no) * 1977-08-26 1984-03-07 Unilever Nv Antitranspirasjonspreparat.
US4508705A (en) * 1980-07-02 1985-04-02 Lever Brothers Company Skin treatment composition

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4650671A (en) * 1981-07-17 1987-03-17 Claus Riemann & Co. Aps Antiperspirant kit and method for controlling perspiration
US4741899A (en) * 1983-06-06 1988-05-03 Bristol-Myers Company Process for arresting the proliferation of organisms that convert axillary secretions to malodorous materials
US4517176A (en) * 1983-06-13 1985-05-14 The Gillette Company Anticholinergic glucuronide compounds and antiperspirant use thereof
US4824676A (en) * 1984-10-11 1989-04-25 Schering Corporation Physiological means of enhancing transdermal delivery of drugs
US5008111A (en) * 1984-10-11 1991-04-16 Schering Corporation Physiological means of enhancing transdermal delivery of drugs
US20030064040A1 (en) * 2001-09-26 2003-04-03 Lukacsko Alison B. Compositions and methods for inhibiting eccrine perspiration in humans

Also Published As

Publication number Publication date
FR2121690A1 (enrdf_load_stackoverflow) 1972-08-25
IT1050203B (it) 1981-03-10
BE778043A (fr) 1972-05-02
CH565557A5 (enrdf_load_stackoverflow) 1975-08-29
DK132205B (da) 1975-11-10
SE381567B (sv) 1975-12-15
AU3781472A (en) 1973-07-19
NL7200616A (enrdf_load_stackoverflow) 1972-07-18
DK132205C (da) 1976-04-12
CA988428A (en) 1976-05-04
ZA7266B (en) 1973-08-29
FR2121690B1 (enrdf_load_stackoverflow) 1976-01-16
GB1375781A (enrdf_load_stackoverflow) 1974-11-27
DE2201158A1 (de) 1972-08-03
AT315378B (de) 1974-05-27

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