Improvements in Ignition Compositions for Matches.
Year: 1899

page_text: Date of Application, 24th Jan., 1899
Complete Specification Left, 17th Oct., 1899-Accepted, 25th Nov., 1899
PROVISIONAL SPECIFICATION.
Improvements in Ignition Compositions for Matches.
We, CARL REINHOLD ANDERSSON and A. O. ANDERSSONS FABRIKS AKTIEBOLAG,
Wenersborg, Kingdom of Sweden, Manufacturers, do hereby declare the nature
of this invention to be as follows:-
This invention relates to an ignition-composition for matches, which does not
contain white or yellow phosphorus, but which in spite thereof can be ignited
against any rubbing surface whatever and thus require no special rough-side.
The said ignition-composition contains no substance injurious to the health,
develops no poisonous gases or disagreeable smell on combustion and has a
great capacity of resistance to moisture.
This ignition-composition is composed of the following constituents, namely,
chromic anhydride, chromates, especially bi-chromate of potash; also oxide of
zinc and hydrated oxide of zinc, sulphur, silicate of magnesia and amorphous or
red phosphorus; further some binding-agents such as glue, gum-arabic, traga-
canth, gum-lac and colophony; a substance producing oxygen such as chlorate
of potash, and finally acetic acid, acetates, alcohol and powdered glass. The
ignition composition is moreover eventually coated with a substance affording
protection against the moisture of the air.
By mixing the above substances in certain proportions, especially by a well
selected proportion between the amorphous phosphorus and the chromates, a
safe ignition composition is obtained, which may be ignited against any rubbing
surface but which is not violently detonating.
The amorphous phosphorus is preferably mixed with the chromates in a
moist condition, whereupon the mixture is heated to a suitable temperature,
and then the chlorate of potash and the other constituents are added.
Dated this 23rd day of January 1899
WM. P. THOMPSON & Co.,
Of 6, Lord Street, Liverpool, Agents for the Applicants.
COMPLETE SPECIFICATION.
Improvements in Ignition Compositions for Matches.
We, CARL REINHOLD ANDERSSON and A. O. ANDERSSONS FABRIKS AKTIEBOLAG,
both of Kongsgatan 29, Wenersborg, Kingdom of Sweden, Manufacturers, 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 follow-
ing statement:
―
This invention relates to an ignition composition for matches, which does not
contain white or yellow phosphorus, but which in spite thereof can be ignited
against any rubbing surface whatever and thus requires no special rough side.
The said ignition composition contains no substance injurious to the health,
develops no poisonous gases or disagreeable smell on combustion and has a
great capacity of resistance to moisture.
This ignition composition is composed of the following constituents, namely,

page_text: chromic anhydride, chromates, also oxide of zinc and hydrated oxide of zinc,
sulphur, silicate of magnesia and amorphous phosphorus, further some binding
agents as glue, gum arabic, gum lac, tragacanth and colophony, a substance
producing oxygen such as chlorate of potash and finally acetic acid and acetates,
alcohol and powdered glass. The ignition composition is moreover coated with
a substance affording protection against the moisture of the air. By mixing
the said substances in certain proportions, especially by a well selected propor-
tion between the amorphous phosphorus and the chromates, a safe ignition com-
position is obtained; which may be ignited against any rubbing surface but
which is not violently detonating.
The following is given as an example of the proportions in which the sub-
stances may preferably be used in the composition, namely,
Chromate of potash
Powdered glass
Sulphur
Bichromate of potash
Oxide of zinc
Silicate of magnesia
-
405 parts by weight
19
"
"
"
7
"
"
"
7
""
"2
"
4*5
"
"
"
4-5
"
"2
"
Resin
3
"
12
"
Amorphous phosphorus
.3.5
""
22
22
Glue
10
"
2.9.
Chromate of lead
0.7
""
"
"
Tragacanth
0.3
33
2
22
}
WM. P. THOMPSON & Co.,
Of 6, Lord Street, Liverpool, Agents for the Applicants.