US3088874A - Powder aerosol - Google Patents

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US3088874A
US3088874A US3122860A US3088874A US 3088874 A US3088874 A US 3088874A US 3122860 A US3122860 A US 3122860A US 3088874 A US3088874 A US 3088874A
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volume
powder
percent
yx
propellant
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Daniel C Geary
Robert D West
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Union Carbide Corp
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Union Carbide Corp
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS
    • A61Q1/00Make-up preparations; Body powders; Preparations for removing make-up
    • A61Q1/12Face or body powders for grooming, adorning or absorbing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K8/00Cosmetics or similar toilet preparations
    • A61K8/02Cosmetics or similar toilet preparations characterised by special physical form
    • A61K8/04Dispersions; Emulsions
    • A61K8/046Aerosols; Foams
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K8/00Cosmetics or similar toilet preparations
    • A61K8/18Cosmetics or similar toilet preparations characterised by the composition
    • A61K8/19Cosmetics or similar toilet preparations characterised by the composition containing inorganic ingredients
    • A61K8/25Silicon; Compounds thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K8/00Cosmetics or similar toilet preparations
    • A61K8/18Cosmetics or similar toilet preparations characterised by the composition
    • A61K8/19Cosmetics or similar toilet preparations characterised by the composition containing inorganic ingredients
    • A61K8/26Aluminium; Compounds thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/10Dispersions; Emulsions
    • A61K9/12Aerosols; Foams
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS
    • A61Q11/00Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS
    • A61Q15/00Anti-perspirants or body deodorants
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00Materials not provided for elsewhere
    • C09K3/30Materials not provided for elsewhere for aerosols
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S424/00Drug, bio-affecting and body treating compositions
    • Y10S424/01Aerosol hair preparation

Description

United States Patent 3,088,874 POWDER AEROSOL Daniel C. Geary, Westwood, N.J., and Robert D. West,

Ossining, N.Y., assignors to Union Carbide Corporation, a corporation of New York No Drawing. Filed May 23, 1960, Ser. No. 31,228 18 Claims. (Cl. 167- 82) This invention relates to a novel powder aerosol system. More specifically, this invention relates to a novel powder aerosol formulation which enables at least 15 percent by weight of active powder to be dispensed in a conventional aerosol bomb.

The use of aerosol bombs to dispense various substances has become extremely popular in recent years. Products such as anti-perspirants, bath salts, dandruif remedies, hair dyes, hair shampoos and hair waving preparations have been packaged in aerosol containers.

However, in these conventional aerosol formulations, the active powder is only ten percent by weight of the total weight of substances packaged in the container. The balance of the weight is made up by the propellant and various other substances such as surfactants, perfumes, etc. The art has strived to increase the amount of active powder which can be dispensed but heretofore has been unsuccessful. When the active powder was increased beyond percent by weight, it resulted in valve clogging or leakage which caused the propellant to escape Without dispensing any powder. In addition, the increase in active powder beyond the ten percent range caused agglomeration of the powder on long standing with the result that no solid could be dispensed even after shaking the container.

-In an attempt to solve the problem, the art reduced the particle size of the active powder. However, the active powder had to be reduced to a diameter no greater than 9 microns in order to be able to successfully dispense more than ten percent by weight. This reduction of particle size led to serious disadvantages such as the need for expensive equipment and increased costs of manufacture. Additionally, the use of powders having such small diameters resulted in sprays which were too fine so that they remained in the air and did not properly settle on the surface being sprayed. In addition, the use of particles which are too small leads to a serious health problem since they contaminate the sprayers lungs.

Accordingly, it is the primary object of this invention to provide a system wherein at least percent by weight of any active powder, having a particle diameter of at least 15 microns, can be dispensed with adequate regularity.

It is also an object of this invention to provide an aerosol system free of any substantial agglomeration of powder.

It is still another object of this invention to provide a basic system capable of dispensing any powder or powders in concentration of at least 15 percent by weight, based on the total formulation, provided the powder or powders are at least 15 microns in diameter.

These objects have now been found to be attained when a critical balance is maintained between the volumes of the various substances in an aerosol bomb.

In the basic powder aerosol system of this invention,

3,083,874 Patented May 7, 1963 "ice a definite criticality exists in the presence, and volume of, certain ingredients.

It has now been found that if a surfactant, a bulking agent, a non-polar liquid and a propellant are combined in a certain critical ratio by volume, any active powder having a diameter of at least 15 microns can be dispensed in quantities of at least 15 percent by weight. The preferred embodiment is to dispense at least 25 percent by weight of active powder.

The system of this invention can be illustrated by the following formula:

where X represents the volume of the active powder or powders at atmospheric pressure minus the volume of the powder or powders at the maximum yield point. By maximum yield point is meant that point at which there is an increase in strain without a corresponding increase in stress. This term is defined in Mechanics of Material by E. P. Popov, Prentice-Hall, p. 30-31. In the formula, A represents the percent by volume of XY of the bulking agent; B represents the percent by volume of XY of the non-polar organic liquid; C represents the percent by volume of XY of the propellant; D represents the percent by volume of XY of the surfactant; and Y is any number from 1 to 10, including fractions. Thus, Y can be a number between 2 and 5.

The following table will illustrate the critical concentrations of the above ingredients. The values represent percent by volume of XY.

Thus, it can be seen that merely by knowing the volume at atmospheric pressure and at the maximum yield point of an active powder or mixture of powders, a powder aerosol system capable of dispensing at least 15 percent by weight of the desired active powders, can be formulated.

As can be seen from the formula, the volume occupied by the bulking agent, surfactant, non-polar organic liquid, and propellant is from one to 10 times that volume which is the difference in volume of the powder at atmospheric pressure and the volume at the maximum yield point. However, our preferred embodiment is when the total volume of propellant, non-polar organic liquid, surfactant and bulking agent is from 48 times X.

The particular active powder or powders which can be dispensed in the aerosol system of this invention, are practically unlimited. The nature of these powders is not critical. The only limitation is the particle size. The diameter of the powders must be at least 15 microns. The preferred particle diameter is from 15 to microns The following table will illustrate some of the numerous formulations which can be dispensed by the system of this invention. It is to be understood that this table is only illustrative of the many uses to which this novel powder aerosol system can be placed. The active powders set forth under the various headings can be used alone or in combination with each other.

TABLE II Type of Formulation Active Powder Anti-Persplrants Catamenlal napkin powder or hexachlorophcne and talc.

Body- Powder. Foot Powder talc and dlehlorophene.

talc and a salt of undelaeic acid. Polish pumice and a detergent.

It is to be understood that the presence of conventional amounts of other ingredients does not affect the novel powder aerosol system. Thus, when making a body powder, small amounts of perfume can be added as is customarily done in this type of forrnualtion. Additionally, small amounts of water can be added when making antiperspirants, as is also conventional in this type of formulation.

The nature of the bulking agent is also not critical. It can be any powder which does not affect the intended use of the aerosol formulation. The only practical limitation of the bulking agent is that it must have a particle size no bigger than that of the active powder being dispensed. Examples of these bulking agents include silicon dioxide, powdered mica, clay, flour, etc.

As a further illustration that the nature of the bulking agent is not critical, the following example is given.

Assuming that an aerosol bomb was desired to dispense a foot powder whose active ingredient was talc. If the tale employed was composed of particles which had a diameter of 50 microns, the bulking agent could also be talc having a particle size of 20 microns.

Thus, it can be seen that the nature of the bulking agent is not critical but its presence is.

The organic liquid which is also necessary in the present system can be any nonpolar organic liquid which is miscible in all proportions with the surfactant and propellant, which reduces the cohesive force of the active powder particles and which is an electrical ns lator. The reason why this liquid must be an electrical insulator to operate in the system of this invention is not understood. The fact remains that liquids which act as conductors will not be operable. Examples of operable substances include any hydrophobic oil or ester having a specific gravity of 1.6 or less, and liquid hydrocarbons such as hexane, heptane, octane, etc. The preferred liquid is a mineral oil having a specific gravity of 0.9 or less. The esters which are operable include the esters of monocarboxylic acids having from 2-18 carbon atoms and monohydric alcohols having from 1 to 18 carbon atoms. Of these esters, the ones which are especially desirable are those of monocarboxylic acids having from 10 to 18 carbon atoms. Specific examples of these esters include butyl stearate, propyl myristate, pentyl laurate, ethyl eaprate, etc.

The propellant can be any conventional propellant used in aerosol containers. These propellants include hydrocarbons, fluorocarbons, and compressed gases. Specific propellants include compressed air, nitrogen, carbon dioxide, C to C hydrocarbons, ClgFC, Cl F C and any tetrafiuoroethane.

The surfactants employed in the powder aerosol system can be any nonionic, anionic, cationic or amphal'ytic surfactants include the sorbitan derivatives. Other operable surfactants are those surfactants on pages 191 to 194 and 338 to 367 of Emulsions: Theory and Practice by Becher, published by the Reinhold Publishing Corporation (1957), which are liquids.

It is also to be understood that the shape and size of the aerosol container as well as the size of the spray nozzle are not critical. Any conventional package can be employed.

The following examples illustrate the invention. The volume is in cubic feet at atmospheric pressure.

EXAMPLE 1 (Tooth Powder) Formulation 10-53 Percent Volume,

by Wt. cu. ft.

Dicalcium Phosphate (anhydrous) 25.0 0. 286 Santocel 54 1. 5 0. 395 Bl'tndnl 10. 0 0. 187 Span 2. 5 0. 042 Ucon Propellant 12/114 40/60 61.0 0. 690 V In the above example, the volume of dicalcium phosphate at atmospheric pressure is 0.286 cubic foot. The volume at maximum yield point is 0.139 cubic foot. Thus, X is equal to (0.286-0.139) 0.147 cubic toot. Substituting X in the general formula gives the following:

=0.395+0.187+0.69+.0.042 1.3 14 y=8.94 Percent by volume of A, B, C and D to XY 0.395 Ae X -30.1

0.69 cu X 100 52.4.

0.042 D X 100 3.3 EX M LE 2 (Tooth Powder) Percent Volume by in Cubic Weight Feet Dicalcium phosphate anhydrous 2. 50 0. 029 Dicalcium phosphate dihydrate 22. 50 0. 489 Santooel 54 1. 75 0. 461 Klearol 10. 50 0. 202 Span 85-- 0. 80 0. 013 Tween 80 0.40 0.006 Flavor 0. 5O 0. 004 Ucon propellant 12/114/90/10- 61. 05 0. 722

In the above example, the total volume of the active powders at atmospheric pressure is 0.518 cubic foot. The total volume of the powders at maximum yield point-is 0.170 cubic foot. Thus X is equal to (0518-0170) 0.348. Substituting X in the formula gives the following:

XY=A +B+C+D .348Y=0.461+0.202+0.722+0.019

EXAMPLE 3 EXAMPLE 5 (Body Powder) (Antz-Perspzrant) Percent Volume Percent Volume by in Cubic 5 by in Cubic Weight Feet Weight Feet T 20.0 0. 354 25. 0. 483 Santocel 54 1.0 0. 263 8.0 0. 156 Carnation Oil 5.0 0. 095 p 0. 8 0. 013 Span s 0.4 0. 007 10 1. 75 0.461 Hexaehlorophene 0.2 0.095 Tween 80 0.4 0.006 Perf e 0.2 0.001 con Propellant; 12/114 40/60 64.0 0. 724 Ueon Propellant 12 26. 6 0. 443 Ueon Propellant 114 20. 6 0.397

In the above example, the volume of the HOUVB pow- In the above example the volume of the active powder at atmospheric pressure is 0.354 cubic foot. The volume at the maximum yield point is 0.120 cubic foot. Thus X is equal to (0354-0120) 0.234. Substituting X in the formula gives the following:

Percent by volume of A, B, C and D to XY EXAMPLE 4 (Foot Powder) In the above example, the volume at atmospheric pressure of the active powder is 0.442 cubic foot. The

volume of the active powder at maximum 'yield point is 0.150 cubic foot. Thus, X is equal to (0.442-0.150) 0.292. Substituting X in the general formula yields the following:

Percent by volume of A, B, C and D to XY der at atmospheric pressure is 0.483 cubic foot. The volume of the active powder at the maximum yield point is 0.166 cubic foot. This X is equal to (0483-0166) 0.317. Substituting X in the general formula yields the following:

In the above example, the volume of the active powder at atmospheric pressure is 0.438 cubic foot. The volume at the maximum yield point is 0.148. Therefore, X is equal to (0438-0148) 0.290. Substituting X in the general formula gives the following:

Percent by volume of A, B, C, and D to XY The following defines various terms used in the examples.

Dicalcium phosphate anhydr0us=CaHPO dry powder having a bulk density of /90 l-bs./cu. ft.

Dicalcium phosphate dihydrate=CaPO .2H Oa crystalline powder having a bulk density of 46 -1bs./cu. ft.

Flavor=Any flavor which is oil soluble is a potential agent for these products.

Santocel 54=A silica gel made by Monsanto having a particle size of 0.5-3.0 microns and a bulk density of 3.8 lbs/cu. ft.

Ucon propellant 12=Dichlorodifluoromethane, CCl F 70 p.s.i.g. at 70 F.

Ucon propellant 114=Dichlorotetrafiuoroethane,

coin-coir, 13 p.s.i.g. at 70 F.

Klearol=Light viscosity white mineral oil. Specific gravity at 60 F. .828/.838. Pour point 30 F. Saybolt viscosity at 100 F. of 55/65.

Span 85==Sorbitan tri-oleate.

Tween 80=Polyoxyethylenesorbitan mono-oleate.

Blandol=Has a specific gravity at 70 F. .850/.860

a Saybolt viscosity at 100 F. of 80/90.

CaInation=Light viscosity mineral oil which has a specific gravity at 70 F. .835/ .845 and a Saybolt viscosity at 100 F. of 65/75.

45 oil=Light viscosity mineral oil which has a specific gravity at 70 F. .815/.825 and a Say-bolt viscosity at 100 F. of 40/48.

Aluminum chlorohydrol=Al OH) C1.

What is claimed is:

1. A powder dispensing aerosol composition which comprises 1) at least 15 weight percent of an active powder having a particle diameter of at least 15 microns, (2) a powder bulking agent having a particle diameter no larger than the active powder, (3) a non-polar organic liquid, (4) a liquid surfactant, and (5) a propellant; said non-polar liquid, surfactant, and propellant being miscible in all proportions; the combined volume YX of said bulking agent, non-polar organic liquid, surfactant, and propellant being 1 to times the difference between h ol m of th iv powder a atmospher c pr ssure and the volume of the active powder at maximum yield point; the volume percent A of YX which is bulking agent, the volume percent B of YX which is non polar organic liquid, the volume percent C of YX which is propellant and the volume percent D of YX which is surfactant being defin ed 'byr YZXFA +13 C+ h r Y is a numbe from to 1.0, X is h d flere tqe between the volume of the active powder at atmospheric pressure and the volume of the active powder at maximum yield point, A is 1 to 60 volume percent of YX,'B is 2 to 70 volume percent of YX, C is 9 to 67 volume percent of YX, and D is 0.6 to 10.5 volume percent of YX.

2. The composition of claim 1 wherein the active powder has a particle size of from 15 to 100 microns.

3. The composition of claim 1 wherein A is to 40 volume percent of YX, B is 2 to volume percent of YX, C is 10 to 65.5 volume percent of YX, and D is 1.2 to 4 volume percent of YX.

4. The composition of claim 1 where Y is a number between 2 and 5.

5. The composition of claim 1 wherein the nonpolar organic liquid is a hydrophobic oil having a specific gravity of less than 1.9.

6. A powder dispensing aerosol composition which comprises 1) at least 15 weight percent of an active powder having a particle diameter of at least 15 microns, (2) a powder bulking agent having a particle diameter no. larger than the, active powder, (3). a hydrophobic oil having a specific gravity of less than 1.9, (4) a liquid surfactant, and (5) a propellant; said non-polar hydrophobic oil, surfactant, and propellant being miscible in all proportions the combined volume YXof said bulking agent, nonpolar hydrophobic oil, surfactant, and

propellant being 2 to 8 times the difference between the volume of the active powder at atmospheric pressure and the volume of the active powder at maximum yield point; the volume percent A of YX which is bulking agent, the volume percent B of YX which is hydrophobic oil, the volume percent C of YX which is propellant and the volume percent D of YX which is surfactant being defined by:

where Y is y number rom 2 t 3. X1 e difference between the volume of the active powder at atmospheric pressure and the volume of the active powder at maximum yield point, A is 20 to 40 volume percent of YX, B is 2 to 30 volume percent of YX, C is .10 to 65.5 volume percent of YX, and D is 1.2 to 4 volume percent of YX.

7. The composition of claim 6 wherein the propellant is fluorochloroalkane having a vapor pressure of 13 pounds and greater per square inch gauge at 70 F.

8. The aerosol composition of claim 6 wherein the active powder has a particle size of from 15 to microns.

9. The aerosol composition of claim 6 wherein Y is a number of 4 to 8.

10. The aerosol composition of claim 6 wherein the active powder is at least one of the group consisting of aluminum sulfocarbolate, zinc sulfocarbolate, aluminum chlorohydrol, aluminum sulfate, aluminum chloride, zinc sulfate, zinc chloride, zirconium chloride and zirconium sulfate.

11. The aerosol composition of claim 6 having talc as active powder.

12. The aerosol composition of claim 6 having pumice as active powder.

13. The aerosol composition of claim 6 wherein the active powder is at least one of the group consisting of dicalcium phosphate, anhydrous dicalcium phosphate, hydrated dicalcium phosphate, tricalcium phosphate, calcium sulfate and calcium carbonate.

.14- Th ae s l ompcsitiqnc claim 13 where th bulking agent is a silica gel having a particle size of 0.5 to 3.0 microns, the surfactant is a liquid nonionic sorbitan surfactant, and the propellant is a fiuorochloroalkane having a vapor pressure of 13 pounds and greater per square inch gauge at 70 F.

15. A powder dispensing aerosol composition which comprises (1) at least 15 weight percent of an active powder having a particle diameter of 15 to 00 i ro (2) a powder bulking agent having a particle diameter no larger than the active'powder, (3) almi'neral oil having a specific gravity of less than 0.9, (4) a liquid nonionic surfactant, and (5) a fluorochloroalkane propellant having a vapor pressure of 13 pounds and greater per square inch gauge at 70 F.; said mineral oil, surfactant, and propellant being miscible in all proportions; the combined volume YX of said bulking agent, mineral oil, surfactant, and propellant being 2 to 8 times the difference between the volume of the active powder of atmospheric pressure and the volume of the active powder at maximum yield point; the volume percent "A of YX which is bulking agent, the volume percent B of YX which is mineral oil, the volume percent C of YX which is propellant and the volume percent D of YX which is surfactant being defined by Where Y is any number from 2 to 8, X is the difference between the volume of the active powder at atmospheric pressure and the volume of the active powder at maximum yield point, A is 20 to 40 volume percent of YX, B is 2 to 30 volume percent of YX, C is .10 to 65.5 volume percent of YX, and D is 1.2 to 4 volume percent of YX.

16. The aerosol composition of claim 15 having an active powder content of at least 25 weight percent.

9 17. The aerosol composition of claim 15 as a tooth powder dispensing aerosol containing dicalcium phosphate dihydrate as active powder, a silicia gel having a particle diameter of 0.5 to 3.0 microns as bulking agent and liquid nonionic sorbitan surfactant.

18. A novel aerosol tooth powder having the following composition:

Percent by weight Dicalcium phosphate (anhydrous) 2.50 Dicalcium phosphate (dihydrate) 22.50 Silica gel having density of 17.1 lbs./ gal 1.75 Mineral oil 10.50 Sorbitan tri-oleate 0.80 Polyoxyethanesorbitan mono-oleate 0.40 Flavor 0.50 Dichlorodifluoromethane 54.95 CCl FCClF 6.10

References Cited in the file of this patent UNITED STATES PATENTS Taylor Jan. 18, 1955 Porush et al. Jan. 13, 1959 Beard Nov. 8, 1960 Thiel et al. Dec. 26, 196 1 FOREIGN PATENTS Canada May 8, 1956 Canada Mar. 18, 1958 OTHER REFERENCES Soap & Chemical Specialties, vol. 31, No. 1, January 1955, pages 139, 141, and 169. 15 Journal of the Society of Cosmetic Chemists, July 1956,

pages 349, 359, 361 and 362.

Cosmetics, Science, & Technology, Interscience Publishers, Inc., N.Y., 1957, page 323.

Claims (1)

1. A POWDER DISPENSING AEROSOL COMPOSITION WHICH COMPRISES (1) AT LEAST 15 WEIGHT PERCENT OF AN ACTIVE POWDER HAVING A PARTICLE DIAMETER OF AT LEAST 15 MICRONS, (2) A POWDER BULKING AGENT HAVING A PARTICLE DIAMETER NO LARGER THAN THE ACTIVE POWDER, (3) A NON-POLAR ORGANIC LIQUID, (4) A LIQUID SURFACTANT, AND (5) A PROPELLANT; SAID NON-POLAR LIQUID, SURFACTANT, AND PROPELLANT BEING MISCIBLE IN ALL PROPORTIONS; THE COMBINED VOLUME "YX" OF SAID BULKING AGENT, NONPOLAR ORGANIC LIQUID, SURFACTANT, AND PROPELLANT BEING 1 TO 10 TIMES THE DIFFERENCE BETWEEN THE VOLUME OF THE ACTIVE POWDER AT ATMOSPHERIC PRESSURE AND THE VOLUME OF THE ACTIVE POWDER AT MAXIMUM YIELD POINT; THE VOLUME PERCENT "A" OF "YX" WHICH IS BULKING AGENT, THE VOLUME PERCENT "B" OF "YX" WHICH IS NONPOLAR ORGANIC LIQUID, THE VOLUME PERCENT "C" OF "YX" WHICH IS PROPELLANT AND TTHE VOLUME PERCENT "D" OF "YX" WHICH IS SURFACTANT BEING DEFINED BY:
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Cited By (28)

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US3268404A (en) * 1965-10-04 1966-08-23 Richardson Merrell Inc Compositions for treating avian respiratory diseases and methods of using same
US3288681A (en) * 1962-05-01 1966-11-29 Lever Brothers Ltd Anhydrous aluminum antiperspirant powder aerosol compositions and methods of preparation
US3445565A (en) * 1965-01-26 1969-05-20 Edmund G Locher Sprayable composition for the application to the fur of animals
FR2033286A1 (en) * 1969-02-04 1970-12-04 Oreal
FR2035901A1 (en) * 1969-03-26 1970-12-24 Williams Co Inc
DE2113864A1 (en) * 1970-03-23 1971-10-14 Unilever Nv Anti welding means aerosol mixture
US3725540A (en) * 1970-07-30 1973-04-03 Procter & Gamble Color and odor stabilized dry aerosol antiperspirant
US3923971A (en) * 1973-09-13 1975-12-02 Alexandre Seilinger Antiperspirant and deodorant composition containing lamellar substances
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US3979510A (en) * 1973-11-23 1976-09-07 Armour Pharmaceutical Company Aluminum-zirconium anti-perspirant systems with complex aluminum buffers
US3996355A (en) * 1975-01-02 1976-12-07 American Home Products Corporation Permanent suspension pharmaceutical dosage form
US4045548A (en) * 1974-02-13 1977-08-30 The Procter & Gamble Company Aerosol antiperspirant containing emollients
US4053581A (en) * 1975-08-15 1977-10-11 Lever Brothers Company Antiperspirant solution containing a mixture of substantially volatile and substantially non-volatile siloxane liquids
US4083956A (en) * 1976-04-29 1978-04-11 The Procter & Gamble Company Anhydrous antiperspirant creams
US4110427A (en) * 1976-04-14 1978-08-29 The Risdon Manufacturing Company Powdered solid aerosol composition and method of manufacture
US4183911A (en) * 1973-09-18 1980-01-15 Colgate-Palmolive Company Antiperspirant compositions
US4216201A (en) * 1978-05-22 1980-08-05 Germaine Monteil Cosmetiques Corp. Cosmetic emulsion compositions having skin moisturizing properties
US4450151A (en) * 1978-08-21 1984-05-22 Toyo Aerosol Industry Co., Ltd. Powder aerosol composition
US4680173A (en) * 1977-04-28 1987-07-14 Norman D. Burger Aerosol dispensing system
US5026422A (en) * 1989-11-03 1991-06-25 Union Carbide Coatings Service Technology Corporation Powder coating compositions
US5281409A (en) * 1990-04-18 1994-01-25 General Electric Company Low-misting antiperspirant aerosol compositions
US5368842A (en) * 1992-10-29 1994-11-29 The Gillette Company High efficacy aerosol antiperspirant composition
US5605682A (en) * 1992-04-16 1997-02-25 Colgate-Palmolive Company Antiperspirant aerosol composition with high solids content
US5800805A (en) * 1997-06-19 1998-09-01 Church & Dwight Co., Inc Aerosol deodorant product
US5945085A (en) * 1997-06-19 1999-08-31 Church & Dwight Co., Inc. Aerosol deodorant-antiperspirant product
US20070212313A1 (en) * 2006-03-10 2007-09-13 Shelley Walter B Anhydrous antiperspirant composition
US8778406B2 (en) 2010-08-10 2014-07-15 Joyce Labs, Llc Anti-chafing aerosol powder

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US3218263A (en) * 1961-07-19 1965-11-16 Union Carbide Corp Gelled propellent for aerosol dispensers
US3288681A (en) * 1962-05-01 1966-11-29 Lever Brothers Ltd Anhydrous aluminum antiperspirant powder aerosol compositions and methods of preparation
US3445565A (en) * 1965-01-26 1969-05-20 Edmund G Locher Sprayable composition for the application to the fur of animals
US3968203A (en) * 1965-10-01 1976-07-06 Jerome G. Spitzer Aerosol astringent composition
US3268404A (en) * 1965-10-04 1966-08-23 Richardson Merrell Inc Compositions for treating avian respiratory diseases and methods of using same
FR2033286A1 (en) * 1969-02-04 1970-12-04 Oreal
FR2035901A1 (en) * 1969-03-26 1970-12-24 Williams Co Inc
DE2113864A1 (en) * 1970-03-23 1971-10-14 Unilever Nv Anti welding means aerosol mixture
US3725540A (en) * 1970-07-30 1973-04-03 Procter & Gamble Color and odor stabilized dry aerosol antiperspirant
US3923971A (en) * 1973-09-13 1975-12-02 Alexandre Seilinger Antiperspirant and deodorant composition containing lamellar substances
US4183911A (en) * 1973-09-18 1980-01-15 Colgate-Palmolive Company Antiperspirant compositions
US3979510A (en) * 1973-11-23 1976-09-07 Armour Pharmaceutical Company Aluminum-zirconium anti-perspirant systems with complex aluminum buffers
US4045548A (en) * 1974-02-13 1977-08-30 The Procter & Gamble Company Aerosol antiperspirant containing emollients
US3996355A (en) * 1975-01-02 1976-12-07 American Home Products Corporation Permanent suspension pharmaceutical dosage form
US4053581A (en) * 1975-08-15 1977-10-11 Lever Brothers Company Antiperspirant solution containing a mixture of substantially volatile and substantially non-volatile siloxane liquids
US4110427A (en) * 1976-04-14 1978-08-29 The Risdon Manufacturing Company Powdered solid aerosol composition and method of manufacture
US4083956A (en) * 1976-04-29 1978-04-11 The Procter & Gamble Company Anhydrous antiperspirant creams
US4680173A (en) * 1977-04-28 1987-07-14 Norman D. Burger Aerosol dispensing system
US4216201A (en) * 1978-05-22 1980-08-05 Germaine Monteil Cosmetiques Corp. Cosmetic emulsion compositions having skin moisturizing properties
US4450151A (en) * 1978-08-21 1984-05-22 Toyo Aerosol Industry Co., Ltd. Powder aerosol composition
US5026422A (en) * 1989-11-03 1991-06-25 Union Carbide Coatings Service Technology Corporation Powder coating compositions
US5281409A (en) * 1990-04-18 1994-01-25 General Electric Company Low-misting antiperspirant aerosol compositions
US5605682A (en) * 1992-04-16 1997-02-25 Colgate-Palmolive Company Antiperspirant aerosol composition with high solids content
US5368842A (en) * 1992-10-29 1994-11-29 The Gillette Company High efficacy aerosol antiperspirant composition
US5800805A (en) * 1997-06-19 1998-09-01 Church & Dwight Co., Inc Aerosol deodorant product
US5945085A (en) * 1997-06-19 1999-08-31 Church & Dwight Co., Inc. Aerosol deodorant-antiperspirant product
US20070212313A1 (en) * 2006-03-10 2007-09-13 Shelley Walter B Anhydrous antiperspirant composition
WO2007106614A2 (en) * 2006-03-10 2007-09-20 Shelley Walter B Anhydrous antiperspirant composition
WO2007106614A3 (en) * 2006-03-10 2007-11-29 Walter B Shelley Anhydrous antiperspirant composition
US7431918B2 (en) 2006-03-10 2008-10-07 Shelley Walter B Anhydrous antiperspirant composition
US8778406B2 (en) 2010-08-10 2014-07-15 Joyce Labs, Llc Anti-chafing aerosol powder

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