US2449070A - Protective coating for use in manicuring - Google Patents

Description

Patented Sept. 14, 1948 eno mc'rrvn COATING FOR USE IN MA'NICURING.

Ettiel' Hausen; smlouis, and Peter fKnvokMaplewood; :Mm saidzKovol assignor to said-Hauser" No Drawing, Aiiplication May-22, 1947, V serial'No. 7459;870

Even whenone-is fairly-ski1led amdprofii'cient i 5.

in doing manicuring, it is difiicult-to apply-the polish sothatmot' a particle thereof 'goes beyond the intended confines of the nails and" onto"the'--- skin lo'ounding" the same,- and." when one" does their own manicuri'ng" it is almost impossible todo 'the job withoutsome smearing of the-polish; The nairpolish; generallyincorporating a rel'a tively fast-drying colored lacquer, must then' be gently and most painstakingly removed from" these areas ofi the skin-to which it "has adhered whilebrushing-it=on the--nails; andtrs-such polish has entirely or partially dried,flsomesort of "a polish rem'over"liquidis used for such" tidying" operation; buthere ajgain it-is-hardworemove-tile polishfrom the objectionable areas witliout re movingsome -polish also from those areaswhere it 'wasintende-d' to remain.

The principal" object of this invention is to' produ'cea coating which is intendedtb-beap plied to the fingers along the edges of the-mails;-

so as-"tohound and. define the *l'atter immediately preceding applying nail polishlacquer to" the nails said coatingfieing insoluble sa itl nail: polish la'cquer so i that I the latter iwill not penetrate through said initial coati'n'g to' the-"skin;

Another object of "ourinventionis to provide a compound which may be applied to the fingers just prior: to puttingpolislion the nails;- and which will leave a: coat'ing thereon tl-iat is sub stantially pennanently -moist and* hon dr'yingpso F that even though some of the nail po1ish -may-be -E inarch'rertently- 'hrushed past its intended areas and onto such coating 'tlierebeyondino harm will have lieen'done, because; upon-finishing such polisliing andr drying, it takes only" a simple wip 4O ing fioperation to remove" said coatingq together. with anypolish adherent: thereto, such wiping: having no efi'ect' upon the polish ou -the aunproewtected portion of the nail'sq;

0ther olojects 'of our invention are to -produc'e-i ae compositiom'of the kind desired; which .awill'ibe 1 of a'con'sistency andimeltirig oint that will cazuset-r it t'o remain lmoi'st orctacky for-unusually long-ii periods :of time,:whichwill be non-toxic: on. the

skin; willtnot absorb.into the skin to any-"undey tended outline of the nail areas tobe-poiishem 01 beotherwise objectionable Tothis -end; "my invention consistsinthenovel? 2: of usingrtheisame, :as will bermoreiclearlit pointedti out inthe claimshereunto appended. i

Ax hereinbeforermentionednittisstheruiemathen'r than the exception; that 'rsomeaofithe :naiLpoiish: lacquer gets; onto the; skin a contiguous? ton-the nails themselvespinfmanicuringgandpthls occurs to a much greater degree in those cases zwheresz the-"average person attempts to manicure their own nails- Such.unintentional spillingg:splashen ingg. spattering eta ontosuch areas. ofe bounding themnailsl must "therefore be. tidiedaum on removed. in. order: that. .themails v themselves? Joe-neatly and attractively clearly outlined with the polish.

Acetone or perhaps some "other: nail-polish remover. is. commonly used for such removal of the latter, .as by wettingon'some handapplica tor,gand";the,color areais then rubbed as'genti'yfi as possible, l and with care off course; until the unwanted j areas of lacquer" are'removedr Not" onlyjis L such remover liquid'iharsh'to' the skin, but? considering "the aesthetic appearance a1one='is-" open to objection,"becauseit"i'snearlyyimpossible" for the average'user to'removetheunwantedspots" of 1' color without removing" some not" such" colorif'rom; the :ad'j acentareas that"were intended toremainicol'oredfl We" have provided a compound that *is-to' "be applied "to the" h'ancl's' just'prior to: the; applying? off"thei""color' thereto, and eventhough" some" of such color tm'ay "have-'been" accidentally'brushew pasvth e" areas desired-to be so "ornamented; no harm "is done; "for such" unwanted-colored areas may be instantly-removed" qnickly, neatly and safely imdwithout" disturbin'gj'the -areas of" the nails-desired to beleftcoloredf I Such (:ompouirdis appliedtothe hands byedgf ing it around the nails;".tlie"W-idthof usch edg' ing 't'o be such-"as is -found mracticable for the I leaving -only the dried polish on the otherapor tions of thesnailsmnatfected.

wi'tli' these obj ect's and adi antages in": mindii andwi-th'iretentiomoffallibfiithe afbresaididesin 1 able characteristics of the manicuring operatiom in V-i'Wg" we'e'wi'll -noW-deseriberthenovei'imazmer composition herein described? and the meth0d-' otf' producmgsthesamea Solution No. 1

Ethyl cellulose grams 15 Alcohol cc 80 Solution No. 2

Polyethylene glycol having an average molecular weight of 1500 grams 20 Polyethylene glycol having an average molecular weight of 1000 grams 50 Alcohol cc 70 Castor oil cc 100 Each of the solutions are made separately, and then Solution No. 1 is added slowly to Solution No.2 while both are at between 100 F. and 140 F., and stirred vigorously to an intimate and perfectly smooth mixture; then left to cool to room temperature before packaging for use.

The percentages by volume of ingredients in the foregoing resultant compound are approximately:

Per cent Ethyl cellulose 3.7

Alcohol" -4 48.0 Castor oil -i 29.0 Polyethylene glycol 19.3

evaporated and the compound has become set,

the compound being sufficiently fluid initially to make using of the coating easy and practicable.

Instead of castor oil, some other suitable oil non-toxic to the skin, may be employed, such as for example, blown soy-bean oil, di-butyl phthalate, tri-cresyl phosphate, special-processed linseed oil, or some similar compatible products, such liquids acting as a permanent plasticizer or softener for the waxes in the composition.

The, alcohol selected is fully evaporative and is preferably an anhydrous ethyl or a grain alcohol, non-toxic of course, as are all of the other ingredients of the compound.

Other waxy materials may be employed instead of thosementioned, as by way of example, stearic acid, paraffinewax, carnauba wax, beeswax, etc., although it is preferable that the waxy materials have a melting pointat aboutthat of the human body-heat, this being true of the polyethylene glycols suggested. Such waxy materials, will then hold their shape after being applied, and will be unaffected after application, by weather conditions. They will remain permanently sufiiciently moist, especially after they have been plasticized with the oil ingredient of the compound, so that at all times, removal from the hand may be effected through a simple wiping operation.

The coating compound set forth will form a film or coating on the hand, to act as abarrier to prevent the penetration of nail polish therethrough, and will remain moist as just described, so as to always be removable from the hand by a simple wiping operation, without further moistening.

In use, the compound is brushed or otherwise applied to the hands, in an area or strip about an or more, wide, as an edging about the nail or nails to be polished, and if any portion of the nail itself is to be only partially polished, such predetermined area is similarly coated. The alcohol in the solution will evaporate after the compound has been applied, to thus thicken or set the rest of the compound on the fingers, such a setting taking perhaps a minute or two.

After having set, the coating forms a film that is permanently moist and waxy, and nail polish is insoluble therein, or at least very difficultly solublein the time during which manicuring is accomplished, so that even though some of the polish does inadvertently get past the boundary of predetermined areas of color and onto the previously initially coated areas of the skin, these last-mentioned areas will have been so protected by the coating that the, lacquer will not penetrate therethrough.

Now, after the color has dried on the nails,

a simple wiping operation, as with a dry piece of absorbent sheet or, material, is all that is-necessary, in which action no color. is removed from the initially unprotected areas, but will come off the other portions where it has adhered to the undercoating of protective or non-penetrant material.

If so desired, the composition may be such that instead of being permanently moist so as to be removable by wiping,-it may set or harden so as to be removable by lifting or peeling, and in this event, it is not necessary to wait until the lacquer has dried on the nails before removing the protective coating. Such peeling of the coating will not disturb the lacquer intended to be left on the nail, and any excess of undesired coloring on the protective coating will simply comev olT therewith.

In manicuring according to the manner set forth, such pre-treatment of the nails leaves a neat and attractive colored area on the nails so processed, and one wherein the edges of the nails are rather accurately and sharply defined and delineated to meet the intended desires of the operator. 1

It is now clear that the flowable product described above, prepared in rough proportions as indicated in the description of the manner of preparation of Solution No. 1 and Solution No. 2, consists essentially of a waxy material, a cellulose derivative, a volatile solvent, and a compatible softener, the waxy material and compatible softener together constituting the major quantity of the non-volatile ingredients. position given hereinabove is illustrative of the essential ingredients of the composition and also illustrates approximately. the quantitive relations between the ingredients but it is understood that they may be varied considerably and still obtain a product which will have the property offorming a substantially non-drying film which is impenetrable to nail polish and which will remain moist to be removed by a simple wiping operation. What we claim as new and desire to secure by Letters Patent is:

1. A composition for applying to the fingers prior to applying nail polish .to bound and define a nail polish receiving area, the composition com together The specific comprising the following ingredients in approximately the following proportions:

Percent Ethyl cellulose 3.7 Alcohol 48.0 Castor oil 29.0 Wax 19.3

2. A flowable composition for applying to the fingers prior to applying nail polish to bound the nail and define a nail polish receiving area thereof; the composition consisting essentially of a waxy material, a cellulose derivative and a volatile solvent therefor, and a compatible softener plasticizing the waxy material; the waxy material and compatible softener together constituting the major quantity of non-volatile ingredients, and the composition having the property of forming a substantially non-drying film impenetrable to nail polish.

3. The composition set forth in claim 2 in which the plasticizer content is approximately 29%.

4. The composition set forth in claim 2 in which the content of waxy material is approximately one-fifth.

5. The composition set forth in claim 2 in which the content of plasticizer is about threetenths and the waxy material content is about one-fifth.

6. The composition set forth in claim 2 in which the waxy material has a melting point of approximately body temperature.

ETHEL HAUSER. PETER KOVOL.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Drug and Cosmetic Industry, volume 47, page 595 (Nov. 1940) (167-85). (Copy in Div. 43.)

Hercules, Ethyl Cellulose (1944), page 34. (Copy in Div. 43.)