Improvements in the Manufacture of Soap.
Year: 1890

page_text: Date of Application, 14th July, 1890
Complete Specification Left, 13th Apr., 1891-Accepted, 23rd May, 1891
PROVISIONAL SPECIFICATION.
Improvements in the Manufacture of Soap.
I ROBERT CUFFE of No. 20 Clarges Street in the Parish of Saint George's
Hanover Square in the County of Middlesex, Member of the Royal College of
Surgeons do hereby declare the nature of this invention to be as follows:
-
(1). This invention is intended to provide a soap adapted for ordinary toilet
purposes which shall act beneficially on persons either suffering from or having a
tendency constitutional or otherwise to gout.
The invention consists in making potash the alkaline base of the soap instead of
soda, and in obtaining the requisite hardness or firmness of the soap for convenient
personal use by the employment as an essential ingredient of the vegetable wax
carnauba or by any other substance or substances that will adequately effect this
object.
The soap will be manufactured in the ordinary way by the saponification of a
fat or oil with the addition of a sufficient amount of carnauba wax or other hardening
substance, and may be medicated colored or perfumed by the admixture of any
suitable substances.
This invention is based in the important part played by uric acid in developing
gout, and on the substitution of potash for soda, the latter salt by the ordinary
mode of manufacturing soap with soda, being absorbed and thereby acting injuriously
in the blood.
.
ROBERT CUFFE.
COMPLETE SPECIFICATION.
Improvements in the Manufacture of Soap.
I ROBERT CUFFE of No. 20 Clarges Street in the Parish of Saint George's
Hanover Square in the County of Middlesex, Member of the Royal College of
Surgeons, 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:-
This invention is intended to provide a hard neutral soap adapted for ordinary
toilet purposes, which soap shall act beneficially on persons either suffering from or
having a tendency, constitutional or otherwise to gout.
The invention consists in making caustic potash the alkaline base of the soap
instead of soda, and the addition of two per cent. of chloride of potash for the
purpose of arresting the maturation of gout, and in obtaining the requisite hardness
or firmness of the soap for convenient personal use by the employment as essential
ingredients of stearic acid and the vegetable wax carnauba.
The invention is based on the important part played by uric acid in developing
gout, and on the substitution of caustic potash for soda in the manufacture of the
soap and the addition of two per cent. of chloride of potash, and in obtaining the
requisite hardness or firmness of the soap by the employment of stearic acid and
the vegetable wax carnauba. Soda, which is used in the ordinary manufacture of
soap, when in excess is absorbed in and thereby acts injuriously on the blood
and favours the maturation of gout, whereas by substituting caustic potash for soda
in the manufacture of soap and the addition of two per cent. of chloride of potash,
the caustic potash and chloride of potash will have no injurious effect on the blood,

page_text: but where uric acid exists any free potash in the soap combined with the chloride of
potash will act upon and neutralize the uric acid.
The soap is manufactured of caustic potash reduced to the strength of thirty five
Baumer, and stearic acid, in such proportions as will neutralize each other, to
which is added two per cent. of chloride of potash, and five per cent. of the vegetable
wax carnauba which has previously been melted in a sand-bath, and the whole
compound is then stirred until it is in a semi solid state it is then solidified by the
usual drying process of soap manufacture.
:
The soap may be colored or perfumed as desired, by the admixture of any
suitable substances or perfumes in the usual way.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is :-
(1). The manufacture of a hard neutral soap which has caustic potash as its
alkaline base, and two per cent. of chloride of potash as the active chemical ingredient
of the soap, and in obtaining the requisite hardness or firmness of the soap by the
employment as essential ingredients of stearic acid and the vegetable wax carnauba.
(2). The utilization, application and manufacture of caustic potash and chloride
of potash in the form of a hard neutral soap which shall act beneficially on persons
either suffering from or having a tendency, constitutional or otherwise to goût.
Dated this Thirteenth day of April 1891.
ROBERT CUFFE.