Title: Tobacco smoke filter for removing toxic compounds
Application Number: 97195540 Application Date: 1997.05.14
Publication Number: 1222058 Publication Date: 1999.07.07
Approval Pub. Date: 2004.08.25 Granted Pub. Date: 2004.08.25
International Classifi-cation: A24D3/00
Applicant(s) Name: C. Lesser Address:
Inventor(s) Name: C. Lesser;R. W. von Borstel
Attorney & Agent: sun ai
Abstract:
    A tobacco smoke filter comprising a porous substrate having a humectant, such as sodium pyroglutamate, dispersed therein to absorb moisture from the tobacco smoke thereby wet-filtering the tobacco smoke. The tobacco smoke filter can also comprise a porous substrate having microcapsules dispersed therein. The microcapsules can comprise a humectant such as sodium pyroglutamate. The microcapsules further preferably comprise one or more of methylcellulose, chlorophyllin and at least one vegetable oil. The tobacco smoke filter can also comprise a porous substrate having dry water and a porphyrin dispersed therein. The tobacco smoke filter can also comprise a porous substrate having a copper-containing porphyrin dispersed therein.
Time: 13
<- Previous Patent:Dispelling harmful substance to h...   |  Next Patent:Medical sanitary tobacco pipe ->