`speaking practically all liquids may `be used

PAUL AskEnAsY, or KARLSRUHE, ‘GERMANY, Assienon 'ro AKTIENGESELLSCHAFT
Fun CHEMISCHE rnonucm VORMALS H. SCHEIDEMANDEL, on BERLIN, GERMANY,
IA. CORPORATION OF GERMANY.
SOLID GELATINOUS PRODUCT.
Speci?cation of Letters Patent.
1,201,133» ‘
No Drawing;
~
Patente'd' Oct. 10,1916.
Application ?Ied'October 19, 1915. Serial No.-56,817.
‘speaking practically all liquids may ‘be used
: To all whom it may concern: .
Be it known that I, Dr. PAUL AsKEnAsY, vwhich are insoluble, or almost insoluble in
professor, chemist, a subject of the German water, this depending upon the fact that the
5,5
Emperor, and resident of Karlsruhe, Baden,
ordinary gelatinous materials, the use of)
Germany, have. invented new and useful which can be practicable commercially,- are' '
Solid Gelatinous Products, of which the fol- 4 treated while in the form of aqueous solu-
lowing is a speci?cation.
‘
_ v
tions.
.
Gelatinous substances, such as glue, gela
The size of the globules may be-regulated
‘ tin, and the like,‘ are usually put on the at will,‘ and depends generally on the veloc 60
10 market in a solid condition generally in .
.
ity with which the gelatinousmaterial is
_the form of sheets or plates, or in the form. introduced, the'pressure to which-it is sub
of powder manufactured by grinding such jected, the diameter of the nozzles, and: other
sheets or plates. The sheets or plates then'r conditions varyingwith ‘the materials and
.Selves are generally obtained from solutions temperatures employed. The cooling effect
of the gelatinous substances. '
Y
of the liquid brought into contact with the
65
My invention relates to a new gelatinous gelatinous globules depends’ principally on‘
product iii-solid form and divided state, and ' the'di?'erences' in‘ temperature and speci?c
.Ilwill describe the new product indescrib vgravity between the two liquids employed. 70
‘ingitlie method of manufacturing it. This The nearer together the speci?c ,gravities,
20 method consists in bringing the‘ gelatinous“ :the slower is
the movement of the globules, material, when in a‘ liquid vstate, in contact
25
through a, column of liquid of a given
with a liquid which is unable .to dissolve‘ height. If the speci?c gravity of the cool-_ '
said gelatinous material. _ The e?'ect of such ing liquid is smaller than that of the gelati
treatment is that particles of gelatinous ma nous substance, the , globules sink to the 75
terial, of substantially globular form are‘ bottom; whereas, in the reverse case, the ,
obtained; and these, under the conditions globules rise to the top, or remain ?oating at
hereinafter stated, solidify and can be re
moved from the liquid, and the liquid may
'so
be used over'and over again.
I,
-
-
1
Since the speci?c gravity of a substance s'ioi
depends also upon its temperature, it be- '1
comes possible to arrange conditions in such
terial, if containing solvents, for instance. a way that ‘the gelatinous globules, as long as
water, may'be further treated so as to drive they are comparatively warm, remain‘ ?oat
off the solvents from the gelatinous material, ing
on. the top of they cooling liquid, but
and to leave‘a hard product suitable for the sink to bottom-when their speci?c gravity
The solidi?ed globules of gelatinous ma-
35 market.
One mode in whichthe method is .
employed includes ‘the use of the liquid
which does not dissolve gelatin, in a cooler
state than the gelatinous material itself, and
40
- the top.
increases on cooling. This renders possible
the use of. a method wherein, by suitably con
trolling'the- speci?c gravity of the cooling
liquid, for instance by the proper‘mixing of‘
preferably at a' temperature below the con- ‘ di?'erent liquids of di?’erent speci?c. grav- 9O
' '
gealing point of the gelatinous material, so ities, the globules of gelatinous material are
as to produce by direct contact'with, the
?oating at the top of the cooling liquid
liquid gelatinous material a quick congeal kept
in the ‘beginning of the process, and only
ing of same, at least at its surface. The sink to bottom when they are solid or, at;
95
cooling. of the liquid in' which the globules least ‘solidi?ed in ther-quiter layers.
45 are formed, or into which the formed glob
The method is applicable, not. only for '
I
~50
ules- are introduced, may be eifected conijjf u pure gelatinous material, but. for mixtures
tinuously by proper means, for ‘instance by": ‘of
gelatinous material with other substances.
circulation.
Especially food preparations or'medicines
Suitable liquids that do not
,
dissolve gela
100
may be, produced ,by usingthe new method? ' .
tin are benzene and other hydrocarbons, tri-. in such a way that emulsions or solutions of
chlorethylene, tetrachlorid of carbon, car - eggs, blood, sugar, milk, ?our, salts, _medi-'._' _
bon-bisul?d, benzyl-alcohol, etc. . Broadly cines, etc.,- or the substances themselves, are’ ~ '
1,201,133
' Q
particularly suitable for obtaining large
incorporated into the gelatinous material, isglobules.
and thereafter introduced as a mixture into
If the gelatin solution is allowed to fall
down in larger drops from a greater height
oring substances, or substances of other into the cooling liquid, or if a strong jet of
kinds, may be incorporated with gelatinous gelatin solution is impinged on the surface
material, and brought into' divided solid of the cooling liquid, or injected into the
form by the method herein described.
liquid itself, a considerable proportion of
thecooling liquids. Also ?avoring and col
As illustrative examples, I would suggest .
the following:
very ?ne globules is produced, as well as
larger globules. The several grades or 755
10 _ (1.) A solution of gelatin at 50° 0. con sizes maybe separated from each other by
taining 20% of gelatin is dropped from a sifting, so that a plurality of grades of ma
tinned copper nozzle of 0.7 mm. in diameter
according to variable ?neness is ob
into tetrachlorid of carbon at 10° 0., While terial
tained.
sifting of the material is ad
the tetrachlorid of carbon is maintained at visable inThe
most cases because the globules St)
this temperature by cooling. It is surpris
may differ somewhat from each other
ing to see that the globules of the gelatinous formed
material do not adhere together even if the in size,'although it is surprising to see that,
proper conditions, the size of the sev
tetrachlorid of carbon is not su?iciently cool under
globules is nearly uniform. Instead of
to completely solidify the globules of the eral
injecting the gelatin solution into the cool: 85
20 gelatinous material. The solidi?ed glob
ules are removed by a ?lter or inv any other ing liquid, or instead of impinging it on the
of the cooling liquid, its introduc
suitable manner. The adherent tetrachlorid surface
tion
into
cooling liquid may be also efof carbon is removed, for instance, by evapo fected by the
centrifugal force. For instance,
rating inwacuo, and may be recovered. ‘The the gelatinous
material may be introduced
water can be removed from the globules of
a centrifugal drum the wall of which
gelatin by evaporating in vacuo, or by dry into
formed by a ?ltering cloth, and such
ing the material in a ,stream'of dry. air, or is
drum
may be put into rotation" within the
in any other convenient way.
'
.
(2.) -A solution of gelatin sweetened with ‘cooling liquid. Under the in?uence of cen
trifugal force, the- contents of the drum pass
30 sugar and perfumed and suitably colored is‘ through the meshes of the ?ltering cloth I
atomized by ejecting it from a suitable noz
zle, and allowed to enter into cooled tri and, in ?nely divided form, enter the cool
vchlorethylene. The small particles of gela ing liquid, and form therein solid globular
15
tin, taking globular‘ shape, form ?our »of
particles.
_
.
The new- product can be manufactured. by
gelatin, which may be continuously sepa
means
of small and cheap apparatus, in
rated from the cooling liquid by ?ltration.
The trichlorethylene still adhering to the large quantities, at low expense, and in a
gelatin ?our may be regained as previously short time. ‘In the manufacture of gelati
described. ‘The atomized gelatinous . ma nous products or glue, the gelatin or glue
terial might, either enter directly into the solution coming from the evaporating ap
40
liquid or may pass at ?rst through the air.
‘ a
1100
105
paratus may be treated in the above de
manner with the result that the ex
(3.) A solution of animal glue of 25% at scribed
pensive
and bulky drying devices hitherto
C.
is
allowed
to.
drop
temperature of 50°
into a cooling liquid'formed of a mixture used may be dispensed wlth.
‘
' ~ The globules of gelatin and glue may be 1113
of 1'ZO-parts of tetrachlorid of carbon, and gathered up and packed, and shipped much
ing kept continuously at a temperature of more conveniently than the thin sheets hith
' erto used.
' ‘about 10° C.
The regular form of the gelatinous parti
Depending upon the velocity with which
cles
produced by this process allows easy
50 the drops ‘are introduced into the cooling ascertaining of the purity of the product
liquid, and also depending upon the size
of: the aperture of the nozzle, globules of without di?icult analysis. In this way adul
glue of different sizes and of substantially terations of the material may be effectively
globular form are obtained, which, on en discovered and prevented, because it “would
45
- 100 parts of benzin; said cooling liquid be
tering the cooling liquid, ?oat on or near
'
be practically impossible to secure adulterat 12c
material of t e same shape and appear
the surface of the liquid, butsink to, the ?ing
'
ance
as that given to the gelatinous globules
bottom after some moments when they have
by the process of this invention.
‘ nearly attained the temperature of the sur
rounding cooling liquid.
60
The duration of ?otation of the globules
on or near. the surface of the cooling liquid,_
and the velocity of sinking down to the bot
I claim as my invention.
_
1. As a new article of manufacture a solid 125
animal‘ gelatinous product consisting of
small particles of substantially globular
tom, may be regulated: at will by suitable
variation of thecomponents of the cooling ~ 2. As a new article of manufacture a solid
mixture. This embodiment of the process ‘gelatinous product consisting of small par- 1%‘
shape.‘
jet
115
_
_
.
.
,
v
.
.
1,201,133
ticles of substantially globular shape con
testimony, that I claim the foregoing
taining non-gelatinous material and animal as‘ In
my
invention, I have signed my name in 10
gelatinous material.
.
presence of two witnesses, this ?fteenth day
3. As a new article of manufacture a solid
food preparation in a divided condition the
elements of same consisting of small glob
ules containing a food substance mixed with
an animal gelatinous substance.
" '
- of September 1915.
'
~DR. PAUL ASKENASY, PROFESSOR.
Witnesses:
’
HENRY HAsPER,
LILLI FRANK.
.
I
‘