New or Improved Soft Soap and Method of Manufacturing the same.
Year: 1890

page_text: Date of Application, 5th Mar., 1890
Complete Specification Left, 5th Dec., 1890-Accepted, 5th Mar.. 1891
PROVISIONAL SPECIFICATION.
New or Improved Soft Soap and Method of Manufacturing
the same.
MILES WILLIAMS, 86, Queen's Road, Bootle, Liverpool, Manufacturing
Chemist, do hereby declare the nature of this invention to be as follows:-
I
prepare
:-
This invention has for its object the manufacture of soft soap which has less
colour, smell and staining properties than that hitherto made but having all the
cleaning properties of both hard and soft soap and consists in a combination of
hard or soda soaps with soft or potash soaps with or without the addition of silicate
of soda and potash, gelatine moss, gums, mucilage, carbolic or other disinfectants.
hard soap with tallow, solid fats, oils and resin and a lye of caustic soda
in the cold way or by boiling in the usual way with steam or open fires or I heat
atmospheric air and use it for that purpose. I also prepare soft soaps with oils or
fats and caustic potash. I then add or mix the two soaps together in varying
proportions as required for various uses and add thereto a proportion of hot or cold.
water and thoroughly incorporate them with or without heat and whilst still liquid
add thereto a proportion of silicate of soda or potash and if desired a gummy or
gelatinous substance. Or I allow each class of soap to cool and set, or I take any
ordinary hard and soft soap and when required even after a long or short period,
dissolve both soaps and add a proportion of water and other ingredients and
thoroughly intermix them thus producing by the combination a purer, whiter and
sweeter soft soap, having no offensive smell and leaving no stain when used and
which is available for all purposes of both hard and soft soaps.
Dated this 1st day of March 1890.
MILES WILLIAMS.
COMPLETE SPECIFICATION.
New or Improved Soft Soap and Method of Manufacturing
the same.
I, MILES WILLIAMS, of 86, Queen's Road, Bootle, near Liverpool, in the
County of Lancaster, 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 has for its object the manufacture of a soft soap which shall be
devoid or almost devoid of colour and smell and yet shall have equal or superior
cleansing properties to that of any hard or soft soap upon the market. My soft
soap is essentially a combination of ordinary potash soap, ordinary soda soap or
their respective ingredients and silicate of soda or potash and water. To these
may be added, if required, any of the usual adulterants, paraffin, carbolic acid or
other disinfectant.
In my experiments, I have found that soda soap and potash soap will not easily
mix or combine, and that, even when thoroughly mixed by mechanical means, they
separate on cooling; further, that the addition of a strong solution of soda or of
potash to either of these soaps under ordinary circumstances causes the soap to
set at once into a hard, stony and difficultly soluble mass.
Now, by my invention,
following manner:
make a uniform compound of these mixtures in the
I form a soda soap of fatty matter, water and caustic soda with or without resins
or other adulterants in the usual manner, also a potash soap formed of fatty matter,
water and potash in the usual manner, and preferably while these are still liquid,

page_text: I add six parts of the soda soap to eight parts of the potash soap, from twenty-five
to thirty-five parts of water, and further add to these six parts of ordinary strong
solution of silicate of soda or potash. These are thoroughly boiled up together
and run out into jars, barrels or the like.
In carrying out this process in detail, in order to avoid the formation of a hard
compound with the silicate of soda and soap, I prefer to add the water to the
silicate of soda or potash or to the soda and potash soaps in about equal quantity
to each, and then mix the two soaps with the silicate of soda or potash solution
while they are still hot or liquid. While giving these particular quantities, I do not
bind myself to them, as the relative proportions of soda and potash soap can be very
considerably altered, but, where the amount of soda soap largely increased, the
amount of water must be increased in like proportion, and, after a number of
experiments, I prefer, as best, the quantities herein set forth. The amount of
water is comparatively optional, and is added in sufficient quantity to make a soap
of the required soft consistency. It can, however, also be varied within large
limits, and must be added to either the soap or the silicate of soda before these
latter are allowed to come in contact.
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 improvement in the manufacture of soft soap, which consists in adding,
to any ordinary soft soap, hard soap, soluble alkali silicate and water, substantially
as herein described.
2. The new or improved soft soap, formed of the ingredients of soft soap, hard
soap, an alkali silicate and water, substantially as described.
Dated this 4th day of Donauche 1000
WM. P. THOMPSON & Co.,
Of Liverpool, Manchester, Nottingham, and London, Patent Agents.