Improved Manufacture or Preparation of Antiseptics.
Year: 1888

page_text: Date of Application, 4th Feb., 1888
Complete Specification Left, 5th Nov., 1888
Complete Specification Accepted, 7th Dec., 1888
PROVISIONAL SPECIFICATION.
Improved Manufacture or Preparation of Antiseptics.
We, WILLIAM BLACK of the City and County of Newcastle-on-Tyne, Engineer
and WILLIAM LAMBERT RENNOLDSON of Jarrow-on-Tyne in the County of Durham,
Chemical Engineer do hereby declare the nature of this Invention to be as
follows:-
This Invention has for its object to provide antiseptics capable of general use for
disinfecting and deodorizing for domestic or other purposes. For this purpose we
take Perchloride of Mercury and we mix it with Sulphate of Soda or Glauber Salts
or Chloride of Sodium or Chloride or Sulphate of Alumina zinc or iron or the like
compound or material or with any two or more of such compounds or materials.
The proportions which we believe to answer best are Perchloride of Mercury two
parts by weight to every ninety eight parts by weight of the Sulphate of Soda or the
like compound or material or mixture of compounds or materials.
Dated this 4th day of February 1888.
J. H. JOHNSON & Co.,
47, Lincoln's Inn Fields, London, W.G.,
Agents.

page_text: COMPLETE SPECIFICATION.
Improved Manufacture or Preparation of Antiseptics.
We WILLIAM BLACK of the City and County of Newcastle on Tyne. Engineer and
WILLIAM LAMBERT RENNOLDSON of Jarrow on Tyne in the County of Durham
Chemical Engineer 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 to provide antiseptics capable of, safe and convenient
use for disinfecting and deodorizing for domestic or other purposes.
For this purpose
we take Per-chloride of Mercury and we mix it with a compound or material which
will absorb it or act as a medium or vehicle therefor and be quickly soluble when the
disinfectant or antiseptic is used such as Sulphate of Soda or Glauber Salts or Chloride
of Sodium or Chloride or Sulphate of Alumina Zinc or Iron or a like compound or
material or with any two or more of such compounds or materials in admixture. The
proportions which we believe to answer best are Per-chloride of Mercury from two to
four parts by weight to every ninety six to ninety eight parts by weight of the
Sulphate of Soda or the like compound or material or mixture of compounds or
materials.
We prefer a solid to a liquid for the sake of portability and to obviate the risk of
breakage to which the vessel necessary for a liquid would be liable. We choose by
preference those of the materials mentioned which will give a disinfectant or antiseptic
soluble in water without trouble and which will not leave any sediment in or discolora-
tion on the vessel in which it may be placed the leaving of a sediment and the
staining of vessels being an objection to the use of many disinfectants.
For these reasons we prefer a harmless and cleanly substance and one which
crystallizes in a highly hydrated condition so as to be rapidly soluble.
To provide for great absorbing power for the Mercury compound and for subsequent
quick solubility we crystallize the salt or salts in a finely granulated condition.
Upon these fine crystals after drying off extraneous moisture we sprinkle the
solution of Perchloride of Mercury in sufficient quantity that the mixture will contain
two to four per cent. (as may be required) of the Perchloride.
We again dry the mixture at a very gentle heat viz. 60 to 70 degrees Fahrenheit
or in a current of air.
The substance is then ready for packing or for being pressed into convenient sized
tablets for use.

page_text: Having now particularly described and ascertained the nature of our said Inven-
tion and in what manner the same is to be performed we wish it to be understood
that we do not limit ourselves to the precise absorbents of the mercury compound
which we have named but we declare that what we claim is :-
The manufacture, preparation or production of a disinfectant or antiseptic by the
use with Perchloride of Mercury of a vehicle or medium such as one or more of those
hereinbefore named.