IMPROVEMENTS IN THE MANU- FACTURE OF SOAP
Year: 1860

page_text: LETTERS PATENT to Paul Elias Aubertin, of Great Winchester Street, in
the City of London, for the Invention of "IMPROVEMENTS IN THE MANU-
FACTURE OF SOAP."-A communication from abroad by Jules Gabriel Gros,
Sealed the 9th November 1860, and dated the 7th September 1860.
PROVISIONAL SPECIFICATION left by the said Paul Elias Aubertin at
the Office of the Commissioners of Patents, with his Petition, on the
7th September 1860.
I, ELIAS AUBERTIN, of Great Winchester Street, in the City of London,
do hereby declare the nature of the Invention for "IMPROVEMENTS IN THE
MANUFACTURE OF SOAP," to be as follows:-
This Invention has for its object improvements in the manufacture of soap,
and consists in employing in this manufacture the yolks of eggs, or the oil
which they contain. Any suitable base may be employed, but a good soap
is formed by mixing together one part by weight of caustic soda of a strength
of 25° Beaumé, with four parts by weight of the yolks of eggs; the mixture
is warmed until a perfect union of the substance is affected, when it is run
into moulds.
5
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Paul Elias Aubertin in the Great Seal Patent Office on the
4th March 1861.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, PAUL
ELIAS AUBERTIN, of Great Winchester Street, in the City of London, send
greeting.

page_text: WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Seventh day of September, in the year of our Lord
One thousand eight hundred and sixty, in the twenty-fourth year of Her
reign, did, for Herself, Her heirs and successors, give and grant unto me, the
said Paul Elias Aubertin, Her special licence that I, the said Paul Elias
Aubertin, my executors, administrators, and assigns, or such others as I, the
said Paul Elias Aubertin, my executors, administrators, and assigns, should at
any time agree with, and no others, from time to time and at all times
thereafter during the term therein expressed, should and lawfully might make,
use, exercise, and vend, within the United Kingdom of Great Britain and
Ireland, the Channel Islands, and Isle of Man, an Invention for "IMPROVE-
MENTS IN THE MANUFACTURE OF SOAP," a communication to me from abroad
by Jules Gabriel Gros, of Mulhouse, France, upon the condition (amongst
others) that I, the said Paul Elias Aubertin, my executors or administrators,
by an instrument in writing under my, or their, or one of their hands and
seals, should particularly describe and ascertain the nature of the said Inven-
tion, and in what manner the same was to be performed, and cause the
same to be filed in the Great Seal Patent Office within six calendar months
next and immediately after the date of the said Letters Patent.
NOW KNOW YE, that I, the said Paul Elias Aubertin, do hereby declare
the nature of the said Invention, and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement thereof, that is to say :-
This Invention has for its object improvements in the manufacture of soap,
and consists in employing in this manufacture the yolks of eggs. Any suitable
base may be employed, but a good soap is formed by mixing together 1 part
by weight of caustic soda of a strength of 25° Beaumé, with 4 parts by weight
of the yolks of eggs. The mixture is kept heated for about 7 or 8 hours, and
is to be frequently stirred, until a perfect union of the substances is effected,
when it is run into moulds.
In witness whereof, I, the said Paul Elias Aubertin, have hereunto set
my hand and seal, this Thirteenth day of February, in the year of our
Lord One thousand eight hundred and sixty-one.
PAUL E. AUBERTIN. (L.S.)