Title: Biodegradable cigarette filter
Application Number: 98813219 Application Date: 1998.11.10
Publication Number: 1283965 Publication Date: 2001.02.14
Approval Pub. Date: 2003.12.10 Granted Pub. Date: 2003.12.10
International Classifi-cation: A24D3/04;A24D3/10
Applicant(s) Name: H.F. Address:
Inventor(s) Name: P.G. Henning
Attorney & Agent: lu xinhua
Abstract:
    The invention relates to a filter cigarette comprising a biodegradable filter and a tobacco strand surrounded by cigarette paper, a non-woven air-laid cellulose filter with a normal retention capacity and a filter ventilation area extending in a peripheral direction. The inventive filter cigarette has the following combination of features: the nicotine/tobacco strand condensate yield ratio lies between 0.6 and 0.9 (nicotine *10/condensate), the apparent density of the tobacco mixture of the tobacco strand ranges from 200 to 250mg/ml, the tobacco strand drag is between 45 and 65 mmwWS when measured in an enclosed form, air permeability of the cigarette paper is 20-50 CORESTA units and the filter ventilation degree is 15-50 %.
Time: 13
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