Additive releasing materials
US11160305B2 · kind B2 · utility
0Cited by
6References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 10, 2014 |
| Grant date | Nov 2, 2021 |
| Priority date | — |
| Expiry date | Jun 14, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D3/16
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention relates to an additive releasing material comprising a carrier material having on its surface one or more additives, the additive releasing material having a desorption temperature selected to allow controlled temperature-dependent release of the additive(s). The invention further relates to filters and smoking articles including such additive releasing materials, and to methods for preparing the additive releasing materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.