Patent · US Active

Adsorbent materials

US10285436B2 · kind B2 · utility

2Cited by

1References

14Claims

0Family size

Assignee

British American Tobacco (Investments) Limited · GB

Inventor

Peter Branton · Southampton, GB

Key dates

Filing date	Nov 20, 2014
Grant date	May 14, 2019
Priority date	—
Expiry date	Sep 6, 2035

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J20/3204
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

There is provided an adsorbent material comprising a porous carrier material having pores with a diameter greater than 20 nm and carrying additive particles on its external surface, wherein the additive particles comprise an additive and have a diameter of greater than 20 nm. There is also provided a smoking article filter element comprising such an adsorbent material, a smoking article comprising such an adsorbent material, and a method of preparing such an adsorbent material.

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