Antiperspirant stick

Claim 2

A stick antiperspirant composition essentially anhydrous and comprising essentially water-insoluble materials and a water-soluble antiperspirant salt, said composition comprising A. from about 1% to about 20% of a high melting point water-insoluble wax which has a melting point of from about 150° F. to about 215° F. and which is selected from the group consisting of beeswax, spermaceti, carnauba, bayberry, candelilla, montan, ozokerite, ceresin, paraffin, synthetic wax and microcrystalline wax; B. from about 20% to about 50% of a liquid, non-toxic, non-irritating organic emollient compound having a water-solubility of from about 0.0005% to about 1% at 72° F.; and C. from about 30% to about 60% of a compound having antiperspirant activity selected from the group consisting of i. aluminium chlorhydroxide, ii. aluminium hydroxybromide, iii. mixtures of aluminum chlorhydroxide and aluminium chloride, and iv. antiperspirant complexes formed by a. co-dissolving in water 1. one part Al 2 (OH) 6-m X m , wherein X is an anion selected from the group consisting of chloride, bromide and iodide and m is a number from about 0.8 to about 1.2; 2.

Claim 3

n parts ZrY wherein Y is an anion selected from the group consisting of --O(OH)Cl and OCl 2 , and where n has a value of from about 0.16 to about 1.2; 3. p parts neutral amino acid selected from the group consisting of glycine, dl-tryptophane, dl-β-phenylalanine, dl-valine, dl-methionine and β-alanine, and where p has a value of from about 0.06 to about 0.53; and b. co-drying the resultant mixture at a temperature of from about 100° C. to about 230° C. to a moisture level of from about 0.5% to about 15% by weight; said compound being in impalpable powder

Claim 4

n parts ZrY wherein Y is an anion selected from the group consisting of --O(OH)Cl and OCl 2 , and where n has a value of from about 0.16 to about 1.2; 3. p parts neutral amino acid selected from the group consisting of glycine, dl-tryptophane, dl-β-phenylalanine, dl-valine, dl-methionine and β-alanine, and where p has a value of from about 0.06 to about 0.53; and b. co-drying the resultant mixture at a temperature of from about 100° C. to about 230° C. to a moisture level of from about 0.5% to about 15% by weight; said compound being in impalpable powder

Claim 5

form. 2. A stick antiperspirant composition as recited in claim 1 which additionally comprises A. from about 0% to about 25% of a low melting point waxy material which has a melting point of from about 100° F. to about 150° F. and which is selected from the group consisting fatty acids containing from about 8 to 20 carbon atoms, fatty alcohols containing from about 8 to 20 carbon atoms and glycerol monostearate; and B. from about 0% to about 10% of an inert particulate filler material selected from the group consisting of colloidal silica and a reaction product of Bentonite and dimethyldistearyl ammonium chloride.

Claim 6

A stick antiperspirant composition as recited in claim 2 wherein: A. said high melting point wax is selected from the group consisting of white beeswax, ozokerite, ceresin and synthetic waxes; B. said emollient is selected from the group consisting of isopropyl myristate, isopropyl palmitate, cetyl acetate and cetyl proprionate; C. said antiperspirant compound is selected from the group consisting of aluminium chlorhydroxide, aluminium hydroxybromide, mixtures of aluminum chlorhydroxide and aluminum chloride and complexes formed from zirconium hydroxychloride, aluminium chlorhydroxide and glycine; and D. said low melting point waxy material is selected from the group consisting of cetyl alcohol, stearyl alcohol, myristyl alcohol, lauryl alcohol and glycerol monostearate.

Claim 7

A stick antiperspirant composition essentially anhydrous and comprising essentially water-insoluble materials and a water-soluble antiperspirant salt, said composition comprising A. from about 1% to about 20% of a high melting point water-insoluble wax which has a melting point of from about 150° F. to about 215° F. and which is selected from the group consisting of white beeswax, ceresin, ozokerite and synthetic waxes; B. from about 30% to 50% of a liquid emollient selected from the group consisting of isopropyl myristate, isopropyl palmitate and the condensation product of about 14 moles of propylene oxide with one mole of butyl alcohol; C. from about 30% to 50% of an impalpable powdered antiperspirant active compound selected from the group consisting of aluminium chlorhydroxide, aluminum hydroxybromide, mixtures of aluminium chlorhydroxide and aluminum chloride and complexes formed from zirconium hydroxychloride, aluminium chlorhydroxide and glycine; and D. from about 5% to 15% of a low melting point waxy material which has a melting point of from about 100° F. to about 150° F. and which is selected from the group consisting of cetyl alcohol, stearyl alcohol, myristyl alcohol, lauryl alcohol and glycerol monostearate.

Claim 8

A stick antiperspirant composition essentially anhydrous and comprising essentially water-insoluble materials and a water-soluble antiperspirant salt, said composition comprising A. from about 1% to about 20% of a high melting point water-insoluble wax which has a melting point of from about 150° F. to about 215° F. and which is selected from the group consisting of white beeswax, ceresin, ozokerite and synthetic waxes; B. from about 30% to 50% of a liquid emollient selected from the group consisting of isopropyl myristate, isopropyl palmitate and the condensation product of about 14 moles of propylene oxide with one mole of butyl alcohol; C. from about 30% to 50% of an impalpable powdered antiperspirant active compound selected from the group consisting of aluminium chlorhydroxide, aluminum hydroxybromide, mixtures of aluminium chlorhydroxide and aluminum chloride and complexes formed from zirconium hydroxychloride, aluminium chlorhydroxide and glycine; and D. from about 5% to 15% of a low melting point waxy material which has a melting point of from about 100° F. to about 150° F. and which is selected from the group consisting of cetyl alcohol, stearyl alcohol, myristyl alcohol, lauryl alcohol and glycerol monostearate.

Claim 9

A stick antiperspirant composition according to claim 4 wherein the antiperspirant active comprises from about 40% to 50% of the composition and is selected from the group consisting of complexes formed from zirconium hydroxychloride, aluminium chlorhydroxide and glycine and wherein the low melting point waxy material is cetyl alcohol.

Claim 10

A stick antiperspirant composition according to claim 5 wherein the emollient is isopropyl myristate.

Claim 11

A stick antiperspirant composition according to claim 5 wherein the emollient is the condensation product of about four moles of propylene oxide with one mole of butyl alcohol.