Aerosol generating article with non-combustible coating
US12041963B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2020 |
| Grant date | Jul 23, 2024 |
| Priority date | — |
| Expiry date | Jul 20, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24C5/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
There is provided an aerosol generating article (2) comprising a combustible heat source (4) having an upstream portion and a downstream portion. The aerosol generating article further comprises an aerosol-forming substrate (10) downstream of the heat source (4) and a wrapper (36) circumscribing an upstream portion of the aerosol-forming substrate (10) and the downstream portion of the combustible heat source (4). The aerosol generating article (2) further comprises a non-combustible coating (42) provided on the upstream portion of the combustible heat source (4) and not on the downstream portion of the combustible heat source (4), the non-combustible coating having a thickness of between about 30 micrometres and about 250 micrometres.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.