Year: 1881

page_text: I FREDERICK SETTLE BARFF of 3 Lodge Place, Grove Road, Saint John's Wood
in the County of Middlesex Professor of Chemistry seek leave to amend the
specification of Letters Patent, No. 1332 of 1881, as shown in red ink in the
copy of the original specification hereunto annexed:-
My reasons for making this amendment are as follows:-
That the Specification as it at present stands may be considered misleading with
respect to the periods for which the temperatures stated are to be employed, whilst
my proposed alterations or corrections state the mode of carrying my invention
into effect clearly and without possibility of being misunderstood.
JUDGMENT.
Having heard Mr. Lawson of Counsel for the Applicant, and the Opponents in
person, I allow the Specification to be amended in the manner proposed, with the
exception of the paragraph proposed to be inserted on line 13 of page 2 which
I direct to be altered to "When the mixture arrives at a temperature of from
"about 145° to 200° Centigrade and water ceases to be given off the Boro-glyceride
" is formed" this alteration meeting the objections of the Opponents.

page_text: PROVISIONAL SPECIFICATION left by the said Frederick Settle Barff at
the Office of the Commissioners of Patents on the 25th March 1881.
FREDERICK SETTLE BARFF of Kilburn in the County of Middlesex Professor
of Chemistry. "A NEW COMPOUND TO BE EMPLOYED IN THE PRESERVATION OF
ORGANIC SUBSTANCES."
This Invention relates to the preparation of a new material or chemical.
compound to be used for the preservation of organic substances.
In carrying out my Invention I take boracic acid and dissolve it in glyceriñe by
the aid of heat maintaining the temperature for four or five hours taking care
however that the temperature shall not be so excessive as to decompose the
glycerine and I add additional boracic acid from time to time until the boracic
acid ceases to be dissolved and the resulting compound is solid boroglycerine which
is a new chemical compound.
This compound can be dissolved quickly in hot water and slowly in cold water
and the resulting solution may be applied to the preservation of all organic
substances either animal or vegetable.*

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said Frederick Settle Barff in the Great Seal Patent Office on the 9th
September 1881,
:
FREDERICK SETTLE BARFF of Kilburn in the County of Middlesex Professor
of Chemistry. "A NEW COMPOUND TO BE EMPLOYED IN THE PRESERVATION OF
ORGANIC SUBSTANCES."
My said Invention relates to the preparation of a new material or chemical
compound to be employed for the preservation of organic substances.
For this purpose I take boracic acid and dissolve it in glycerine by the aid of
heat maintaining-the-temperature for about four or five hours or until the desired
combination is effected care being taken however that the temperature employed
shall not be so excessive as to decompose the glycerine and I add to such solution
or compound a further quantity of boracic acid from time to time until the boracio
acid-eeases-to-be-dissolved 62 parts by weight of Boracic acid have been added to
every 92 parts by weight of Glycerine employed. The compound resulting when
allowed to cool is solid and is what I have called boroglyceride which is a new
chemical compound.
As an example of the manner in which my said Invention may be effectively
carried out I proceed as follows :-
I heat glycerine to near its boiling point and add boracic acid until it ceases to
be-dissolved the proportions being about 92 parts by weight of glycerine to 62
parts by weight of boracic acid (crystallized) which is equivalent to 3 molecules
of glycerine C, H, O, to one of boric oxide B₂ O,. I maintain the mixture at a
temperature of about 200°-centigrade as long as water is given-off. When the
mixture arrives at a temperature of from about 145° to 200° Centigrade and
water ceases to be given off the Boroglyceride is formed. When the mass cools
it becomes a yellowish transparent glacial substance tough and deliquescent this
dissolves in water but when boiled in large quantities of the same it is may be.
decomposed into glycerine and boracic acid.
This before mentioned compound is also soluble in alcohol and the solution has
the property of preventing the putrefaction of organic substances. The composi
tion of the glacial body as determined by analysis is nearly C, H, BO, or H, BO,
in which H, is replaced by the trevalent radicle BO,-by using the constituents
in different proportions different (substitution) products are formed but the one
mentioned is that which I prefer to use.
In order to employ the compound consisting of boracic acid and glycerine I
prepare a solution of the same either in water alcohol or other suitable solvent
and I either immerse in or impregnate with such solutions the organic substances
to be operated upon.
Solutions may be prepared of various degrees of strength but I have found that
a solution consisting of about one part by weight of the compound before referred

page_text: to and forty parts by weight of water will give good results but other proportions
may be adopted.
Solutions of the compound herein before described may be applied to the
preservation of all organic substances either animal or vegetable.
Having now described and particularly ascertained the nature of my said Invention
and the manner in which the same is or may be used or carried into effect I would
observe in conclusion that what I consider to be novel and original and therefore
claim as the Invention secured to me by the hereinbefore in part recited Letters
Patent is
The employment and use of the compound of boracic acid and glycerine herein
referred to for and in the preservation of organic substances.
In witness whereof I the said Frederick Settle Barff have to this my
Specification set my hand and seal this Nineteenth day of July One
thousand eight hundred and eighty one,

page_text: LETTERS PATENT to Frederick Settle Barff, of Kilburn, in the County of
Middlesex, Professor of Chemistry, for an Invention of "A NEW COMPOUND
TO BE EMPLOYED IN THE PRESERVATION OF ORGANIC SUBSTANCES,"
PROVISIONAL SPECIFICATION left by the said Frederick Settle Barff at
the Office of the Commissioners of Patents on the 25th. March 1881.
FREDERICK SETTLE BARFF, of Kilburn, in the County of Middlesex, Professor
of Chemistry. "A NEW COMPOUND TO BE EMPLOYED IN THE PRESERVATION OF
ORGANIC SUBSTANCES."
This Invention relates to the preparation of a new material or chemical
compound to be used for the preservation of organic substances.
In carrying out my Invention I take boracic acid and dissolve it in glycerine by
the aid of heat, maintaining the temperature for four or five hours, taking care
however that the temperature shall not be so excessive as to decompose the
glycerine, and I add additional boracic acid from time to time until the boracic
acid ceases to be dissolved, and the resulting compound is solid boroglycerine, which
is a new chemical compound.
This compound can be dissolved quickly in hot water and slowly in cold water.
and the resulting solution may be applied to the preservation of all organic
substances either animal or vegetable.
SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said Frederick Settle Barff in the Great Seal Patent Office on the 9th
September 1881.
FREDERICK SETTLE BARFF, of Kilburn, in the County of Middlesex, Professor
of Chemistry. "A NEW COMPOUND TO BE EMPLOYED IN THE PRESERVATION OF
ORGANIC SUBSTANCES."
My said Invention relates to the preparation of a new material or chemical
compound to be employed for the preservation of organic substances.

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