Invention Grant
- Patent Title: Filter
-
Application No.: US14738357Application Date: 2015-06-12
-
Publication No.: US10334875B2Publication Date: 2019-07-02
- Inventor: John Roger Sampson , David Lewis
- Applicant: British American Tobacco (Investments) Limited
- Applicant Address: GB London
- Assignee: BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED
- Current Assignee: BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED
- Current Assignee Address: GB London
- Agency: Cantor Colburn LLP
- Priority: GB0713905.8 20070717
- Main IPC: A24D3/10
- IPC: A24D3/10 ; A24D3/02 ; A24D3/04 ; A24D3/06
Abstract:
A filter for a cigarette comprises a porous fitter rod and a material sheet wrapped around the filter rod and a cellulose acetate thread formed from substantially uncrimped cellulose acetate filaments. The cellulose acetate thread is positioned within the filter rod and extends along the central axis of the filter rod.
Public/Granted literature
- US20150272209A1 FILTER Public/Granted day:2015-10-01
Information query
