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US 4,297,233 AGranted
Deodorizing composition for ash trays
OwnerPaolo Gualandiinventor
Life of this patent
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Abstract
A deodorizing composition, particularly for use in ash trays, in direct contact with the butts of cigarettes and cigars, comprising a granular absorbent substance which is incombustible at the combustion temperature of the glowing fire of the cigarettes or the like, containing absorbed therein an oily vapor diffuser substance. Advantageously, the absorbent substance is porous silica, having a grain size of 20 to 60 mesh per square centimeter, and an absorptive power of up to 1 part by weight of absorbed oily substance per part by weight of absorbing granular substance.
Claims8
A deodorizing composition comprising, in combination;
- (a) A solid absorbent granular material, of a grain size in the range of 20 to 65 mesh per cm.sup.2, composed in weight % of:
- SiO.sub.2 :
- from 90 to 95%,
- Al.sub.2 O.sub.3 :
- from 4 to 7%,
- Fe.sub.2 O.sub.3 :
- from 1 to 2%,
- CaO:
- from 0 to 0.5%,
- MgO:
- from 0 to 0.5%,
- the remainder comprising water and traces of alkalies or other metallic oxides;
- (b) An oily essence absorbed in said absorbent material, the ratio of oily essence to absorbent material being, in parts by weight, in the range of 1:1.5 to 1:1;
- and
- (c) A vapor diffusion fixation agent selected from the class consisting of silicone oils, higher alcohols, plastifiers, and mixtures thereof.
12 more elements
Dependencies are inferred from the claim text.