An Improved Antiseptic Disinfectant or Deodorant.
Year: 1893

page_text: Date of Application, 20th Dec., 1893
Complete Specification Left, 19th Sept., 1894-Accepted, 24th Nov., 1894
PROVISIONAL SPECIFICATION.
An Improved Antiseptic Disinfectant or Deodorant.
I, SYDNEY PITT, of Sutton, in the County of Surrey, Gentleman, (a com-
munication to me from abroad by The Chemische Fabrik auf Actien vorm.
E. Schering, of 170 Müllerstrasse, Berlin,) do hereby declare the nature of this
invention to be as follows:-
:-
The polymerised formic aldehyde (para-formic aldehyde) is a white solid
substance that volatilises on warming and is thereby dissociated into formic
aldehyde or formalin, which possesses a powerful disinfectant action.
According to the present invention the polymerised formic aldehyde (para-formic
aldehyde) is prepared in such a form that it passes over into the above condition
without warming, which therefore allows the polymerised formic aldehyde (para-
formic aldehyde) to be employed as a powerful disinfectant and antiseptic. This
is effected by mixing the polymerised formic aldehyde with a porous pulverulent
substance, most advantageously with an infusorial earth, and most practically by
trituration.
The polymerised formic aldehyde (para-formic aldehyde) in a combination of
this kind, that is to say, mixed or triturated with a porous pulverulent material
like infusorial earth, which forms the subject of this Specification, finds extremely
advantageous employment for disinfecting and preserving purposes. The polymerised
formic aldehyde mixed or triturated with such porous pulverulent materials as
infusorial earth, starch, inactive salts etc., is scattered over the places or objects
which are to be disinfected or preserved.
In this combination the polymerised formic aldehyde (para-formic aldehyde),
besides being convenient to handle, tends to readily dissociate without being
volatilised by heat, that is to say to decompose into ordinary formic aldehyde or
formalin with its extremely active antiseptic and disinfectant properties.
Dated this 20th day of December 1893.
COMPLETE SPECIFICATION.
An Improved Antiseptic Disinfectant or Deodorant.
1, SYDNEY PITT, of Sutton, in the County of Surrey, Gentleman, (a com-
munication to me from abroad by The Chemische Fabric auf Actien vorm.
E. Schering, of 170 Müllerstrasse, Berlin,) 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 polymerised formic aldehyde (para-formic aldehyde) is a white solid
substance that volatilises on warming and is thereby dissociated into formic
aldehyde, which possesses a powerful disinfectant action.
According to the present invention the polymerised formic aldehyde (para-formic
aldehyde) is prepared in such a forin that it passes over into the above condition
that is to say into formic aldehyde without warming, which therefore allows the
the polymerised formic aldehyde (para-formic aldehyde) to be employed as a
powerful disinfectant and antiseptic. This is effected by mixing the polymerised
formic aldehyde with a porous pulverulent substance, most advantageously with an
infusorial earth, and most practically by trituration.

page_text: Five to ten parts of infusorial earth to one part of para-formic aldehyde will be
found to be suitable proportions.
The polymerised formic aldehyde (para-formic aldehyde) in a combination of
this kind, that is to say, mixed or triturated with a porous pulverulent material like
infusorial earth, which forms the subject of this Specification, finds extremely
advantageous employment for disinfecting and preserving purposes. The polymerised
formic aldehyde mixed or triturated with such porous pulverulent materials as
infusorial earth, starch, inactive salts etc., is scattered over the places or objects
which are to be disinfected or preserved.
In this combination the polymerised formic aldehyde (para-formic aldehyde)
besides being convenient to handle, tends to readily dissociate without being.
volatilised by heat, that is to say to decompose into ordinary formic aldehyde or
formalin with its extremely active antiseptic and disinfectant properties.
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 :-
An antiseptic disinfectant or deodorant consisting of polymerised formic aldehyde
intimately mixed with infusorial or other porous pulverulent substance.
Dated this 19th day of September 1894.
CARPMAEL & Co.,
Agents for the Applicant.
CARPMAEL & Co.,
Agents for the Applicant.