An Improved Cleansing Agent.
Year: 1893

page_text: Date of Application, 5th Sept., 1893-Accepted, 21st Oct., 1893
An Improved Cleansing Agent.
1, JOHANN SCHICHT of Aussig on Elbe, Bohemia, in the Empire of Austria,
Soap Manufacturer, do hereby declare the nature of this invention and in what
manner the same is to be performed, to be particularly described and ascertained
in and by the following statement :-
The present invention relates to the production of a liquid or solid cleansing
agent: its special object being the removal in the most complete manner possible
of stains of all kinds and more especially those of a fatty nature. The invention is
characterized by a process, by means of which it becomes possible to incorporate a
large quantity of benzine with a soap solution, and to maintain them in permanent
combination, inasmuch as in all the processes hitherto employed, hydrocarbons
(among which benzine is classed) very rapidly separate from a soap solution with
which they have been mixed as soon as they are added in quantities above 6%.
This objection is completely removed in the process described below, by means of
which it becomes possible to mix any soap solution in suitable proportion and
without subsequent additions with benzine, without a subsequent separation taking
place.
The process consists in stirring well and continuously a mixture of benzine and
soap solution (yielding a favorable result even when composed of 20 parts of soap
to 80 benzine) until suddenly a strong thickening of the mass takes place, the latter
in consequence undergoing a considerable diminution in volume. It is at this
moment that the intimate combination of the soap solution and benzine is
accomplished.
This process was discovered in an empirical manner after numerous attempts,
having for their object the retention of benzine in a soap solution; and it may be
accelerated by adding to the mixture, while stirring, an inconsiderable quantity,
about 5% of any one fat of the fatty acid series, or also resin or, finally, borax.
The addition of such substance is however indispensable in all cases where a
permanently liquid mixture is to be supplied, and one in which a strongly con-
centrated soap solution is employed, e.g. one about the consistency of treacle.
Without the above addition the mixture, if concentrated soap solution has been
used in its preparation, becomes suddenly solid on continuing to stir after the above
described thickening has taken place.
For the removal of stains of a fatty nature a product prepared in the above
manner, consisting of a mixture of 50 parts of a solution of soft (potash) soap to
50 of benzine, is specially adapted; as it is also for the cleaning of printed matter
after printing. For the cleaning of gloves a mixture of 80% benzine with 20%
soap solution, containing 20% of soap is specially recommended; the soap being
produced from fats which remain liquid at the ordinary temperature of a room.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed, I declare that what I,
claim is :-
The production of a liquid or solid cleansing agent consisting in the addition of a
soap solution to a large quantity of benzine up to 80%--such mixture being, in
order to prevent the separation of the benzine, well and continuously stirred until
suddenly a strong thickening takes place the action being accelerated by the
addition of an inconsiderable quantity of any one fat of the fatty acid series, or of
D27

page_text: resin or borax-such additions being moreover indispensable in all cases where the
cleansing agent is to remain in the liquid state and where concentrated soap solution
is employed in its preparation.
Dated this 5th day of Sentember 1893
W. P. THOMPSON & BOULT,
Agents for the Applicant.