FILTER WITH IMPROVED HARDNESS AND FILTRATION EFFICIENCY Russian patent published in 2018 - IPC A24D3/06 

Abstract RU 2670047 C2

FIELD: smoking accessories.

SUBSTANCE: invention relates to a mouthpiece for a smoking article, comprising polylactic acid, and to a smoking article comprising such a mouthpiece. Smoking article comprises: an aerosol-forming substrate; and a mouthpiece attached to the aerosol generating substrate and comprising a segment comprising a filter material comprising a plurality of fibres formed from a mixture comprising at least about 80 % by weight of polylactic acid; less than about 15 % by weight of polyglycolic acid; and less than about 10 % by weight of poly-(L)-lactic acid; and an additive for reducing the amount of phenols; the mouthpiece further comprising one or more wrappers surrounding said segment, said one or more wrappers having a total specific weight of about 50 grams per square metre (g×m-2).

EFFECT: technical result of the invention is easier decomposition of the filter.

11 cl, 2 tbl, 7 dwg

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RU 2 670 047 C2

Authors

Binassi, Enrico

Jordil, Yves

Dates

2018-10-17Published

2014-12-23Filed