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Патент USA US2107559

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Patented Feb. v 8, 1938
2,107,559
UNITED STATES PATENT OFFICE
2,107,559
CARBONATED BEVERAGE
Clarence Edward Beck, Philadelphia, Pa" as
slgnor of forty-seven percent to Albert '1‘.
I-lanby, eight percent to Blanche Beck, and
five percent to James H. Tait, all of Phila
delphia, Pa.
No Drawilm. Application November 14, 1935,
Serial No. 49,858
7 Claims. (Cl. 99-78)
My invention relates to carbonated beverages
use a single tablet for the carbonation of liquids.
Therefore, one object of my invention is to
and more particularly to a means of carbonating
liquids by the use of a mixture of a carbonate
and/or bicarbonate with an acid, said mixture
being compressed into a single tablet as herein
after described.
provide a means whereby carbonic acid and car
bon dioxide can. be produced in a beverage by
dissolving a single tablet therein. A further ob
ject is the production of a carbonating tablet
containing the above ingredients, said tablet
For many years one of the means of carbonat
ing beverages has consisted in adding powders
being stable when dry and yielding carbonic acid
of various compositions to the liquid to be car
and carbon dioxide when in contact with water.
A further object is the production of a carbonat 10
ing means which is controlled as to its reaction
10 bonated.
This method has a very serious vdis
advantage in that the evolution of the gas at or
near the surface of the liquid is so rapid that
much of the gas escapes before it has had time
to carbonate the liquid.
time.
-
In carrying out my invention I use alkali or
Another disadvantage
alkaline earth, carbonates or bicarbonates, either
of such powders is that even such gas as does not
escape at once is evolved in the upper portion
alone or mixed.
I prefer to use sodium bicar
15
bonate because of its cheapness and uniform
action. As an acid I use organic alpha-hydroxy
acids innocuous to health such as malic acid,
‘ of the liquid body and as a‘ result mechanical
means must be resorted to in order to achieve
carbonation in the lower levels. As a result, - citric acid or tartaric acid, either alone or inad
beverages so carbonated have a tendency to be mixture. However, in place of. these organic
flat and to lose what little life they do have in a acids or in addition thereto I may use inorganic
relatively short time. I have discovered that hydrogen ion producing substances such as the
' these disadvantages may be obviated by produc
alkali bisulphates. I prefer to use sodium or
ing the carbon dioxide in the lower levels of the
potassium bisulphate. The acid phosphates such
liquid. Carbon dioxide, being a gas, rises as soon
as it is evolved and in so doing it is for the most
as monosodium phosphate may also be used.
As a sweetening ‘agent I use saccharine. As
?avoring'ingredients I use the usual dry extracts
or oils and for coloring I use the vegetable colors
which are suitable for human consumption.
part used up in the formation of carbonic acid
by combining with the water on the way to the
surface. In order to produce carbon dioxide in
30 the lower levels I use a tablet which is heavier
than an equal volume of water. This tablet is
so constructed that it stays at the bottom of the
liquid during all stages of its decomposition but
,
The following is a description of one method of 30
preparing my carbonating tablets. I use the fol
lowing ingredients in the amounts stated:
of course I may vary the level at which it de
Sodium bicarbonate _____________ __gram__ 1
composes by mechanical means.
Tartaric acid ____________________ __do..‘___ 1
-
Another di?iculty in the use of these carbonat
ing powders is the problem of controlling the
speed with which they react. If. the reaction
goes too rapidly ortoo slowly the resultant car
40 bonation is unsatisfactory; thus the control of
the reaction time is of prime importance.
I have also discovered that when a tablet is
used, the rate of evolution of carbon dioxide is a.
factor of great importance in the ultimate car
45 bonation. If this evolution is too rapid, one of
the disadvantages inherent in the old use of
powders is present; that is to say, in the too
rapid evolution there is too great an escape of
carbon dioxide. On the other hand, if the evolu
50 tion of gas is too slow, the result is unsatisfac
tory because the beverage has had time to lose
some of its life in the time during which the
tablet is decomposing. I have discovered a
, Saccharine
Flavor‘
do
~
_
0.05
cc__ 0.02
Color ____ _-' _________________________ __ q. 5. ad.
The sodium bicarbonate and the saccharine are
ground together in a mortar to which the ?avor
ing and coloring are then added. The tartaric
acid is thoroughly ground in a separate mortar.
The material in these two mortars is then trans
ferred to the die of a press. I have discovered
that the reaction time referred to above can be
controlled by varying the manner in which the
materials are‘ put into- the die. For a tablet of
very long reaction time, the substances are thor
oughly mixed prior to placing them in the die.
In order to get a tablet having a reaction time 56
of sixty seconds or less, I have found that it is
necessary to introduce the bicarbonate and the
acid alternately into the die in small amounts.
method hereinafter described of controlling this The amount of each alternate addition to the
55 reaction time andxI have thus made it feasible to
die has a de?nite e?ect on the reaction time of
2
the completed tablet.
2,107,559
I have found that the
best results are obtained when the bicarbonate
and acid are put into the die in about a total
of sixteen portions. This corresponds to an addi
tion of one eighth of a gram of bicarbonate fol
lowed by one eighth of a gram of acid, and so on
until all of the material has been introduced
into the die. However, I may vary these amounts
for either or both substances. Pressure is then
applied in an amount su?icient to give a ?rm
tablet.
In addition to accomplishing better carbona
tion than the powders heretofore used, my tablet
has certain practical advantages. Due to its size
15 and form, my tablet is much easier to handle and
transport and it will be easier to market than a
bulky powder. It is also very much easier to
use. The tablet is simply dropped into the liquid
to be carbonated and no further attention need
20 be given it. At the end of the predetermined
carbonation period the beverage is carbonated
and ready for consumption.
Having thus‘ described my invention, I claim:
1. A carbonating tablet the essential ingre
(0 Cl dients of which are an alkali carbonate and an
acid juxtaposed in alternate layers, the carbonate
and the acid being intimately associated at the
juncture of the layers and not elsewhere and
the alternate layers being exposed at their edges.
30
2. A carbonating tablet the essential ingre
dients of which are an alkali bicarbonate and an
acid juxtaposed in alternate layers, the bicar
bonate and the acid being intimately associated
at the juncture of the layers and not elsewhere
and the alternate layers being exposed at their
edges.
3. A carbonating tablet the essential ingre
dients of which are an alkali carbonate and an
organic alpha hydroxy acid juxtaposed in alter
nate layers, the carbonate and the acid being
intimately associated at the juncture of the layers
and not elsewhere and the alternate layers being
exposed at their edges.
4. A carbonating tablet the essential ingre
dients of which are an alkali carbonate and
tartaric acid juxtaposed in alternate layers, the 10
carbonate and the acid being intimately asso
ciated at the juncture of the layers and not else
where and the alternate layers being exposed at
their edges.
5. A carbonating tablet the essential ingre
dients of which are an ‘alkali bicarbonate and an
organic alpha hydroxy: acid juxtaposed in alter
nate layers, the bicarbonate and the acid being
intimately associated at the juncture of the layers
and not elsewhere and the alternate layers being 20
exposed at their edges.
6. A carbonating tablet the essential ingre
dients of which are an alkali bicarbonate and
tartaric acid juxtaposed in alternate layers, the
bicarbonate and the acid being intimately asso 25
ciated at the juncture of the layers and not else
where and the alternate layers being exposed
at their edges.
7. A carbonating tablet the essential ingre
dients of which are sodium bicarbonate and tar
30
taric acid juxtaposed in alternate layers, the
bicarbonate and the acid being intimately asso
ciated at the juncture of the layers and not else
where and the alternate layers being exposed at
35
their edges.
CLARENCE EDWARD BECK.
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