Cigarette filter containing dry water and microcapsules

US6164288A · kind A · utility

Assignee

• Craig Lesser · US

Inventors

• Craig Lesser · Los Angeles, US
• Reid W. von Borstel · Potomac, US

Key dates

• Filing date: Sep 17, 1999
• Grant date: Dec 26, 2000
• Expiry date: Sep 17, 2019

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A24D3/14
• WIPO field: Other consumer goods
• WIPO sector: Other fields

Abstract

A tobacco smoke filter containing a porous substrate having dry water and microcapsules dispersed therein. The microcapsules contain at least one compound selected from the group consisting of chlorophyllin, methylcellulose, sodium pyroglutamate and a vegetable oil. The tobacco smoke filter can also contain one or more substances such as a porphyrin, and sodium pyroglutamate.