CIGARETTE PAPER WITH IMPROVED AIR PERMEABILITY Russian patent published in 2017 - IPC A24D1/02 

FIELD: tobacco industry.

SUBSTANCE: cigarette paper on a part of its surface has the following properties: no artificial perforation, permeability is at least 15 CU, preferably at least 20 CU, and especially preferably at least 25 CU, and the k index measured according to ISO 2965:2009 with a measuring head having a rectangular opening of 2 mm to 15 mm, which is defined as where Q₁ is air flow through the paper at a pressure difference p₁=1.00 kPa; Q₂ is air flow through the paper at a pressure difference p₂=0.25 kPa, is: k≤0.98, preferably k≤0.95, and particularly preferably k≤0.93, and k≥0.8, preferably κ≥0.85.

EFFECT: excluding the effect of cigarette paper components on taste.

16 cl, 1 dwg