Smoking article having a particle containing wrapper
US10575552B2 · kind B2 · utility
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10References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2014 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | Jul 15, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D1/002
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A smoking article includes a tobacco rod and a wrapper disposed about the tobacco rod. The wrapper includes a plurality of aggregated particles. The aggregated particles include particles of functional material and a whitener bound in a polymeric binder. The particles of functional material may be a catalyst or an oxidant, such as an iron oxide-containing particle. The whitener may be calcium carbonate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.