New or Improved Composition or Liquid Applicable for Preventing the Accumulation of Scale in Steam Boilers
Year: 1888

page_text: Date of Application, 26th June, 1888
Complete Specification Left, 26th Apr., 1889-Accepted, 26th June, 1889
PROVISIONAL SPECIFICATION,
New or Improved Composition or Liquid Applicable for Preventing
the Accumulation of Scale in Steam Boilers.
I, JAMES WILLIAM CLAUDE HAMILTON of 34, Moorfields, Liverpool in the County
of Lancaster, Chemical Manufacturer, do hereby declare the nature of this invention
to be as follows:-
The object of this invention is to provide a composition or liquid applicable for
preventing the accumulation of scale in steam boilers.
In carrying out the invention, I prefer to use the following ingredients, namely:
paraffin or other suitable oil, essential oil of lemon or nitro-benzole, combined in
suitable proportions. Other substances may be used instead of or in addition to,
the above, such as Rangoon oil, essential oil of eucalyptus, crude camphor. The
materials employed to be used in suitable proportions, and they may be varied to suit
the purpose to which the composition is applied. The composition is applicable for
marine, land and all descriptions of steam boilers, and is applied to the interior of
the boiler in any usual manner.
I do not limit myself to using the ingredients herein set forth. Other descriptions
of mineral oil may be used, and various substances may be added for the purpose of
deodorizing the composition.
Din T1000
WM. P. THOMPSON & Co.,
Of 6, Lord Street, Liverpool, Patent Agents for the Applicant.
COMPLETE SPECIFICATION.
New or Improved Composition or Liquid Applicable for Preventing
the Accumulation of Scale in Steam Boilers.
I, JAMES WILLIAM CLAUDE HAMILTON of 34, Moorfields, Liverpool in the
County of Lancaster, Chemical 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 object of this invention is to provide a composition or liquid, applicable for
preventing the accumulation of scale in steam boilers.
In carrying out the invention, I prefer to use the following ingredients, namely:
paraffin or other hydrocarbon liquid at the heat and pressure used, essential oil of
lenon or nitro-benzole, combined in suitable proportions. Other substances may be
used instead of or in addition to the above, such as essential oil of eucalyptus or
crude camphor. The materials to be employed are to be used in suitable proportions,
and they may be varied to suit the purpose to which the composition is applied.
In order to more clearly describe my invention, I give the following receipt, but
only as an example, as 1 do not hind myself to the exact ingredients or proportions
therein set forth.
I take a quantity of paraffin or any other hydrocarbon oil liquid at the temperature
employed. If petroleum be used, it is preferably refined and of the kind known as
"Water white." I filter the same by passing it through charcoal beds, or in other

page_text: The composition is preferably allowed to stand for a few days, when, after being
again filtered, it is ready for use.
Although I have mentioned petroleum as being the substance I prefer, it is to be
clearly understood that almost any hydrocarbon (whether liquid or solid at ordinary
temperatures) may be used instead, such as turpentine, paraffin wax, etcetera.
Various substances may also be added for the purpose of deodorising the liquid.
In using the improved liquid or composition for keeping the interior of a boiler
clean, about 1 quart per diem, per 100 indicated horse power is to be added to the
feed water, or otherwise placed in the boiler.
Having now particularly described and ascertained the nature of any said inven-
tion, and in what manner the same is to be performed, 1 declare that what I
claim is :-
1. As a preventive of scale in steam boilers, a mixture consisting of a suitable
hydrocarbon and one or more essential oils, either with or without a small quantity
of crude camphor, the whole combined substantially in the proportions and in the
manner specified.
2. The improved liquid for preventing the accumulation of scale in steain hoilers,
consisting of a mixture of petroleum with the essential oils of Citronelle, Cassin,
Lemon, and Eucalyptus, and a small quantity of crude camphor, the whole combined
substantially in the proportions specified.
Dated this pith day of April 1900.
WM. P. THOMPSON & Co.,
Of 6, Lord Street, Liverpool, Patent Agents for the Applicant.