US3314857A - Shaving assistant composition - Google Patents

Shaving assistant composition Download PDF

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Publication number
US3314857A
US3314857A US386072A US38607264A US3314857A US 3314857 A US3314857 A US 3314857A US 386072 A US386072 A US 386072A US 38607264 A US38607264 A US 38607264A US 3314857 A US3314857 A US 3314857A
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United States
Prior art keywords
shaving
weight
non
composition
water
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US386072A
Inventor
Fainer Percy
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P&G Hair Care Holding Inc
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P&G Hair Care Holding Inc
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Priority to US386072A priority Critical patent/US3314857A/en
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Publication of US3314857A publication Critical patent/US3314857A/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS
    • A61Q9/00Preparations for removing hair or for aiding hair removal
    • A61Q9/02Shaving preparations
    • 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
    • A61K8/72Cosmetics or similar toilet preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81Cosmetics or similar toilet preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8141Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • A61K8/8147Homopolymers or copolymers of acids; Metal or ammonium salts thereof, e.g. crotonic acid, (meth)acrylic acid; Compositions of derivatives of such polymers
    • 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
    • A61K8/72Cosmetics or similar toilet preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84Cosmetics or similar toilet preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/89Polysiloxanes
    • A61K8/891Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04Polysiloxanes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04Polysiloxanes

Description

hanced through United States Patent COMPUSITIUN assiguor to Clairol lua corporation of Dela- This invention relates to shaving assisting compositions. More particularly it relates to shaving compositions for use with razor and blade in shaving face, legs, under arms or other portions of the body from which it may be desirable to remove hair.

Many disadvantages are attendant the use of shaving soaps, creams, and aerosol foams. For instance, these shaving aids do very little in the way of acting as lubricants to assist the process of shaving. In addition, be cause they contain ionic emulsifiers, they ernulsify protective skin oils, leaving the skin dry, unprotected and subject to irritation from the emulsifiers, ing action of the razor blade and from perspiration.

Accordingly, it is an object of the present invention to provide shaving lotions or creams which have unique shaving properties.

It is another object of the present invention to provide shaving creams or lotions which:

(1) Will deposit a protective layer to enhance the protective action of skin oils;

(2) Will not emulsify protective skin contribute to shaving without irritation ing of the skin; and

(3) Will contribute superior lubricity to minimize razor drag and the resultant irritation which can be caused by this means.

These together with other objects and advantages will become subsequently apparent from the following description and claims.

It has now been found that the objects of the present invention can be achieved by formulating as a shaving assisting composition a non-ionic emulsion of a dimethylpolysiloxane fluid containing a non-ionic surface active agent, e.g., a polyoxyethylene derivative and a watersoluble polymer of acrylic acid crosslinked with a polyallyl ether of sucrose. In the preferred forms of this is also non-alcoholic in character gel-like cream or a lotion having oils and thereby and without dryand is formulated into a thixotropic properties.

It is known in the prior art to use dimethylsiloxane fluids in cosmetic ylpolysiloxane fluids, etc. lubricity of the It has also been found that the dimethylpolysiloxane fluids may be enthe use of a non-ionic polyoxyethylene derivative surface active agent in conjunction with the water-soluble polymers of acrylic acid crosslinked with a polyallyl ether of sucrose.

The silicone fluids utilized in the present invention belong to a class of polymeric organosiloxanes composed of multiples of the structure:

weight of the finished 3,3l4,857 Patented Apr. 118, 1967 endblocked with the group:

IiCHa They are generally employed in the form of an oil-inwater emulsion and constitute from about 3 to 7% by composition.

The dimethylpolysiloxane liquids of choice are those of this type are sold by the Union Carbide Corp. under the designation L-45 fluids. The L-45 liquids having a viscosity of less than 200 centistokes are generally not preferred because they do not impart maximum lubricity to the compositions. L45 fluids with viscosities above 500 centistokes are also generally not desired because of their sticky nature which make the product unsatisfactory from a cosmetic elegance point of view.

The non-ionic surfactants that are useful for the purposes of the present invention are of the polyoxyethylene derivative type and are generally used in an amount equal to not more than 10% by Weight of the dimethylpolysiloxane fluid. Of special utility are ethers formed from long chain fatty alcohols and alkylene oxides. Typical of these are commercially available products sold under the designation Brij 30 and Brij 35 which are ethers formed by condensing lauryl alcohol with ethylene oxide. Brij 30 is a liquid, oily product identified as polyoxyethylene (4) lauryl ether. Brij 35, on the other hand, is a waxy, solid product designated as polyoxyethylene (23) lauryl ether. The numbers in parentheses indicate the number of oxyethylene groups in each polyether.

The water-soluble polymer of acrylic acid crosslinked with polyallyl ether of sucrose (hereinafter referred to as PAS) that is utilized in the present invention is preferably utilized in neutralized to a pH of 6.5 to 7.2) with a mild amine, such as triethanolamine.

in accordance with U8. Patent No. 2,798,053. Carbopol 934, which is particularly suitable for use in the present invention, is identified as a water-soluble polymer of acrylic acid crosslinked with 1% of polyallyl ether of sucrose having an average of about 5.8 allyl groups for each molecule of sucrose.

The vehicle of the present invention is preferably water. The alcohols of prior art compositions are thus dispensed with.

The compositions of the present invention consist essentially of the four ingredients discussed above. ever, other ingredients, such as hexachlorophene, i.e., 2,2 methylenebis[3,4,6-trichlorophenol], or diaphene, i.e., a mixture containing of 3,5,4-tribomosalicylanilide and 20%, 5,4dibromosalicylanilide, or other bacteriostatic agents which help minimize infection, or materials, such as allantoin which help promote healing may also be incorporated in these compositions.

The ingredients of the com-positions of the present invention may vary in quantities over a considerable range. The following table illustrates the ranges in percentages by weight of the various ingredients:

Ingredients which may used with formula:

Range of percentage by weight that may be used The compositions of the instant invention may be prepared in several ways. In one procedure you emulsify the silicone oil with the non-ionic surfactant using 30% of the total water to be used to give an oil-in-water emulsion. The PAS (e.g., Carbopol 934) is dispersed in the remaining water, and then neutralized, for example, with triethanolamine to a pH of 6.5-7.2. The latter is then blended with the oil-in water emulsion prepared above.

The uniqueness and the synergistic action of the components of the present composition are illustrated by the following facts:

(1) The blend of dimethylpolysiloxane fluid emulsified with non-ionic surfactants and partially neutralized PAS (e.g., Carbopol 934) is much more effective in fulfilling the objects of this invention than are the dimethylpolysiloxane emulsion itself or the silicone fluid itself or the silicone fluid blended with the partially neutralized PAS.

(2) The composition of this invention is much more effective than conventional shaving cream formulations in fulfilling the objects of this invention.

Verification of the outstanding ability of the composition of this invention to fulfill the objects of this invention as previously stated has been obtained by actual shaving tests performed by numerous men and women who compared the composition of this invention with the usual commercially available shaving products.

The compositions of the present invention have the further advantages of being clear, transparent products. This is an advantage in that it is possible to see and avoid pimples and skin abrasions during shaving.

The following examples are further illustrative of the present invention. It should be understood, however, that the invention is not limited thereto. The products identified in the examples as L45 fluid, Brij 30, Brij 35 and Carbopol 9 34 have already been described in the specification.

Example 1 Following the procedure outlined above the following composition was prepared:

Q8 to 100 with H O. pH maintained between 6.5 and 7.2.

Example 2 In this example the procedure and ingredients were identical with those of Example 1, excepting that in place of Brij 30, Brij 35 was used as the non-ionic surfactant.

Example 3 Following the same procedure referred to in Example 1, the following composition was prepared:

QS to with H O. pH maintained between 6.5 and 7.2.

Example 4 The procedure of Example 3 is followed except that in place of Brij 30, Brij 35 was used as the non-ionic surfactant.

Although the invention has been described with reference to specific forms thereof, it will be understood that many changes and modifications may be made without departing from the spirit of this invention.

What is claimed is:

1. A shaving assisting composition consisting essentially of from about 3 to 7% by weight of the total composition of a polymeric dimethylpolysiloxane in the form of an oil-in-water emulsion emulsified with an amount not greater than about 10% by weight of said dimethylpolysiloxane of a non-ionic polyethoxylated higher fatty alcohol surfactant blended with from 0. 2 to 1.0 by weight of a water-soluble polymer of acrylic acid crosslinked with a polyallyl ether of sucrose in gel form, said acrylic polymer being neutralized with triethanolamine to a pH of about 6.5 to 7.2 said non-ionic surfactant constituting between about 0.3 to 0.7 percent by weight of the total composition.

2. A composition according to claim 1 wherein said polymeric dimethylpolysiloxane has a viscosity between 100 to 500 centistokes.

3. A composition according to claim 2 including from about 95.3 to 89.9 percent by weight of water.

4. A composition according to claim 3 wherein said polymeric dimethylpolysiloxane has a viscosity of about 350 centistokes.

References Cited by the Examiner UNITED STATES PATENTS 2,980,655 4/1961 Glass et al. 167-85 3,072,536 1/1963 Pye 167--85 3,136,696 6/1964 Harrison 167-90 3,185,627 5/1965 Kass 167-91 FOREIGN PATENTS 878,969 10/1961 Great Britain.

OTHER REFERENCES Sagarin: Cosmetics Science and Technology, Interscience Publishers, Inc., New York, 1957, pages 134-135.

ALBERT T. MEYERS, Primary Examiner. JULIAN S. LEVITT, Examiner. DALE R. MAHANAND, Assistant Examiner.

Claims (1)

1. A SHAVING ASSISTING COMPOSITION CONSISTING ESSENTIALLY OF FROM ABOUT 3 TO 7% BY WEIGHT OF THE TOTAL COMPOSITION OF A POLYMERIC DIMETHYPOLYSILOXANE IN THE FORM OF AN OIL-IN-WATER EMULSION EMULSIFIED WITH AN AMOUNT NOT GREATER THAN ABOUT 10% BY WEIGHT OF SAID DIMETHYLPOLYSILOXANE OF A NON-IONIC POLYETHOXYLATED HIGHER FATTY ALCOHOL SURFACTANT BLENDED WITH FROM 0.2 TO 1.0 BY WEIGHT OF A WATER-SOLUBLE POLYMER OF ACRYLIC ACID CROSSLINKED WITH A POLYALLYL ETHER OF SUCROSE IN GEL FORM, SAID ACRYLIC POLYMER BEING NEUTRALIZED WITH TRIETHANOLAMINE TO A PH OF ABOUT 6.5 TO 7.2 SAID NON-IONIC SURFACTANT CONSTITUTING BETWEEN ABOUT 0.3 TO 0.7 JPERCENT BY WEIGHT OF THE TOTAL COMPOSITION.
US386072A 1964-07-29 1964-07-29 Shaving assistant composition Expired - Lifetime US3314857A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE29814E (en) * 1974-04-29 1978-10-24 The Procter & Gamble Company Lanolin fatty acids, polysiloxane and water-soluble polymer containing skin conditioning emulsion
US4178364A (en) * 1975-08-08 1979-12-11 Jimmy Rucker Art of shaving
FR2635682A1 (en) * 1988-08-29 1990-03-02 Anben Cosmetic composition for application to the skin for reducing the burning sensation on shaving or depilation
WO1993018740A1 (en) * 1992-03-19 1993-09-30 Smartshave Limited Shaving gels
GB2315771A (en) * 1996-07-26 1998-02-11 Kao Corp Non-foamable gel shaving composition
US6139767A (en) * 1996-05-22 2000-10-31 Nippon Shokubai Co., Ltd. Carboxylated polymers, process for the production of the same, and gels thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2980655A (en) * 1957-08-27 1961-04-18 Goodrich Co B F Polymerization process
GB878969A (en) * 1960-05-06 1961-10-04 Colorado Fuel & Iron Corp Improvements in mold coating compositions
US3072536A (en) * 1959-04-08 1963-01-08 Dow Chemical Co Pre-shaving lotion and method
US3136696A (en) * 1961-02-17 1964-06-09 Corby Entpr Inc Shaving assisting composition
US3185627A (en) * 1954-09-03 1965-05-25 Hazel Bishop Inc Silicone composition

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3185627A (en) * 1954-09-03 1965-05-25 Hazel Bishop Inc Silicone composition
US2980655A (en) * 1957-08-27 1961-04-18 Goodrich Co B F Polymerization process
US3072536A (en) * 1959-04-08 1963-01-08 Dow Chemical Co Pre-shaving lotion and method
GB878969A (en) * 1960-05-06 1961-10-04 Colorado Fuel & Iron Corp Improvements in mold coating compositions
US3136696A (en) * 1961-02-17 1964-06-09 Corby Entpr Inc Shaving assisting composition

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE29814E (en) * 1974-04-29 1978-10-24 The Procter & Gamble Company Lanolin fatty acids, polysiloxane and water-soluble polymer containing skin conditioning emulsion
US4178364A (en) * 1975-08-08 1979-12-11 Jimmy Rucker Art of shaving
FR2635682A1 (en) * 1988-08-29 1990-03-02 Anben Cosmetic composition for application to the skin for reducing the burning sensation on shaving or depilation
WO1993018740A1 (en) * 1992-03-19 1993-09-30 Smartshave Limited Shaving gels
GB2271778A (en) * 1992-03-19 1994-04-27 Smartshave Ltd Shaving gels
GB2271778B (en) * 1992-03-19 1996-07-24 Smartshave Ltd Shaving gels
US6139767A (en) * 1996-05-22 2000-10-31 Nippon Shokubai Co., Ltd. Carboxylated polymers, process for the production of the same, and gels thereof
GB2315771A (en) * 1996-07-26 1998-02-11 Kao Corp Non-foamable gel shaving composition

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