Improved means applicable for use in relieving tobacco smoke of its noxious elements / [Herman Otto Wendt].

  • Wendt, Herman Otto.
Date:
1904
Catalogue details

Licence: Public Domain Mark

Credit: Improved means applicable for use in relieving tobacco smoke of its noxious elements / [Herman Otto Wendt]. Source: Wellcome Collection.

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    N” 16,109 A.D.1903 Date of Application, 21st July, 1903 Complete Specification Left, 20th Apr,, 1904—Accepted, 26th May> 1904 PROVISIONAL SPECIFICATION. “ Improved Means applicable for use in Relieving Tobacco Smoke of its Noxious Elements.’’ I, G-eorge Gattox Melhuish Hardingiiam, of Clun House, Surrey Street, in the County of London, Civil Engineer and Chartered Patent Agent, do hereby declare the nature of this invention (a communication to me from abroad from Hermann Otto Wendt of Bremen, in the German Empire, Manufacturer,) ,5 to be as follows : —- This invention relates to means for rendering the poisonous constituents of tobacco-smoke innocuous, and it consists essentially in acting upon such smoke by means of compounds of metals of the iron group (iron, manganese, nickel and cobalt,) with mineral acids,, preferably sulphuric and hydrochloric acids, ’ q or with organic acids, such as citric and tartaric acids, which have the effect of converting the basic constituents of the smoke, that is to say, nicotine, pyridines, picolines and the like, into salts; while, on the other hand, the sulphuretted hydrogen and hydrocyanic acid present in the smoke are decomposed and ren¬ dered innocuous by the metallic hydroxide resulting from the reaction of the metallic compound with the basic constituents of the smoke. Very satisfactory results have been obtained by the use of ferrosulphate and ferric chloride. By means of the present invention, 79 to 84 per cent, of the nicotine present in the tobacco can be eliminated from the smoke, a result un¬ attainable by any of the known means for improving the smoke of tobacco. The invention, may be carried out in various ways. For instance, an aqueous solution of the selected compound of the iron group—as for example, ferric chloride—is prepared, a fibrous substance is impregnated therewith, and dried. A layer, ball or other suitable body, of such impregnated and dried fibre is placed at the bottom of the pipe, or enclosed within the pointed end portion of 25 the cigar; so that, on smoking, the smoke is caused to filter through said im¬ pregnated fibrous body. The fibrous substance may consist of a cotton-wad, of blotting paper, tobacco, or other suitable vegetable or animal fibre, asbestos or the, like. In the case of cigars, the pointed end of the internal bundle of leaves or ‘ filling ’ may, prior to being wrapped with the outer or covering leaf, oq be dipped into the said liquor, so as to be penetrated thereby. The filling having been withdrawn from the liquor, and thoroughly dried is then wrapped as usual. To facilitate the penetration of the liquor, the said portion of the filling may be provided with small holes or slits extending inwardly. 15 20 Dated this 21st day of July, 1903. 35 G. G. M. HARDINGHAM. [Price 8i.]