Patent · US Active

Smoking articles and smokable filler material therefor

US7938125B2 · kind B2 · utility

3Cited by

6References

45Claims

0Family size

Assignee

British American Tobacco (Investments) Limited · GB

Inventors

Edward John · London, GB
Joseph SUTTON · London, GB

Key dates

Filing date	Oct 20, 2004
Grant date	May 10, 2011
Priority date	—
Expiry date	Jan 31, 2028

Classification

Technology area (CPC A)Human Necessities
CPC primaryA24B15/14
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

The invention relates to smokable filler materials and a process for making same, the smokable filler material comprising a foaming agent, an agent capable of forming chemical cross-linkages, and a cross-linking agent. A combination of the foaming agent in the foamed state thereof, the agent capable of forming chemical crosslinkages and the cross-linking agent provides a stabilized, foamed material. The invention also provides a smoking article incorporating the smokable filler material of the invention.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.