Smoke filtration

US10194687B2 · kind B2 · utility

Assignee

• British American Tobacco (Investments) Limited · GB

Inventors

• Peter Branton · Southampton, GB
• Ferdi Schuth · Wetter (Ruhr), DE
• Manfred Schwickardi · Neheim, DE

Key dates

• Filing date: Sep 9, 2010
• Grant date: Feb 5, 2019
• Expiry date: Sep 9, 2030

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A24D3/067
• WIPO field: Other consumer goods
• WIPO sector: Other fields

Abstract

The invention relates to a smoking article comprising a carbonaceous dried gel (3), (such as a xerogel, aerogel or cryogel), a filter (2) for a smoking article comprising a carbonaceous dried gel and the use of a carbonaceous dried gel for the filtration of smoke.