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Патент USA US2084127

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Patented June 15, 1937
2,084,127
Umraosmras PATENT OFFICE
2,084,127
nam nmsa
James C. Brown, Mount Vernon, N. Y., assignor
to E. Frederics, Inc., New York, N. Y., a corpo
ration, of New York
No Drawing. Application February 7, 1933, Se
rial No. 655,619
'1 Claims.
This invention relates to an improved hair
rinse.
\
(Cl. 167-87)
’
In the treatment of human hair extreme cau
tion must always be exercised lest some substance
5 employed damage the hair, even though only to a
slight extent. Where the treatment is one, such
as the use of a rinse designed to leave a deposit
upon the hair, the reason for care is doubly ap
parent, for the longer the substanceremains on
10 the hair, the more opportunity is offered for
deleterious action. On the other hand, it is high
ly desirable that the deposited substance stay on
the hair a long time so that an excessive number
.
other salts which I have found useful are those
which are substantially neutral and in which the
negative radical is that of- a weak- organic acid
preferably containing four to six carbon atoms
and the positive radical is desirably ammonium,
5
though vsodium, potassium, ethyl amine, or the‘
like, may be used with some success.
By way of a speci?c example, I have found that
good results may be secured by mixing one part
of ammonium citrate with ?fteen parts of am- 10
monium tartrate and adding two grams of this
mixture to a quart of water._ Any suitable
quantity of a coloring material adapted to tint
of applications is not necessary. Moreover, it is ‘ the hair may be added to the solution. The rinse
15 important that the substance employed shall not may be applied to the'hair in any convenient l5
have a tendency to ?atten out a wave previously manner as by pouring it over the hair.
imparted to the hair. At the same time the sub
While a concrete example has been given, it
stance should be capable of producing the desired will be understood that other substances having
brilliance or luster. It is also advantageous for the indicated characteristics may be employed
20 the substance to have the property of fixing not . and that it is not necessary to use the ammonium '20
only itself in the hair, but also of ?xing a tinting citrate or the coloring material to produce the
or coloring material.
desired brilliance. Furthermore, the proportions
I have found that while acids, such as tartaric
acid, when applied to the hair tend to hydrolyze
25 and attack the protein-like constituents of the
hair, in moist air, or when the hair is otherwise
wetted, salts of tartaric and citric acid, rather
surprisingly, are not only substantially inert with
respect to the air but also are capable of satis
30 fying the other varied and rather con?icting re ‘
quirements in an even superior manner. That is
to say, such neutral salts, notably ammonium
tartrate, do not, on the onev hand, injure the
texture of the hair appreciably or spoil a wave,
35 but do, on the other hand, remain ?xed in the
hair, apparently in the form of minute crystals ‘
deposited in the pores of the hair over compara
may be varied considerably. While the product
may advantageously be marketed in a powdered
or crystalline form, so that the user may conven- 25
iently vary the strength of the rinse, it may alsobe
put up in solution or other form.
The coloring or tinting material which may be
employed is preferably not of such a character as
to permanently dye the hair but may be any suit- 30
able vegetable coloring or coal tar color, prefer
ably soluble in water. The proportions of such _
coloring or tinting material which may be em
ployed are well understood and many of such
materials are known.
'
Y
35
The terms and expressions which I have em
tively long periods of time while imparting an ployed are used as terms of description and not »
exceptionally attractive brilliance or luster to the ' of limitation, ‘and I have no intention, in the use .
of such terms and expressions, of excluding any 40
strands. Moreover, such salts, while quite soluble
in water, as is important for their application,
appear to be very little affected by water when
equivalents of the features shown and described, .
?xed in the hair.
modi?cations are possible within the scope of the- '
I
.
‘
More particularly, I have found that an admir
45 able luster may be secured without injury to the
' hair and with additional permanence of the luster
by employing a neutral salt of a weak organic
acid, preferably a water soluble ammonium salt
50 of tartaric acid, though salts of citric acid or. the
like, conforming to the indicated requirements,
may similarly be employed. vWhile I distinctly
prefer ammonium tartrate, it will be understood
that mixtures of such salts with or without tint
55 ing or- coloring material may be employed. The
or portions thereof, butvrecognize that various
invention claimed.
I claim:
.
,
g
.
_
45
I. A hair rinse comprising a solution-of a sub
stantially neutral salt of an organic hydroxy poly
carboxylic acid containing ‘four to six carbon
atoms adapted to become ?xed on the hair during
application thereof.
50
2. A hair rinse comprising a neutral salt of tar
taric acid adapted to become ?xed on the hair in
rinsing the same.
.
3. A hair "rinse comprising ammonium tartrate 55
2
2,084, 197
and a tinting material adapted to become ilxed on
the hair in rinsing the same.
‘
4“. A hair rinse comprising ammonium tartrate,
a relatively small amount of ammonium citrate,
and a‘ tinting material adapted to become ?xed on
the hair in rinsing the same. ‘
-
5. A hair rinse containing a substantially neu
tral salt of a weak organic acid of the group con
sistingvof tartaric; and citric acids adapted to be
10 come ?xed on the hair in rinsing the same.
6. A hair rinse comprising ammonium citrate
and _a tinting material adapted to become fixed on
the hair in rinsing the same.
,
‘
7. A hair rinse comprising substantially iiiteen
parts oi’ ammonium tartrate andone partoi am- 5
monium citrate in solution in water, said solution
being adapted to deposit the‘ tartrate and citrate
on the hair in
the same.‘
JAMES C. BROWN.
10
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