Dryer-added fabric softening articles and methods
US7071157B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2004 |
| Grant date | Jul 4, 2006 |
| Priority date | — |
| Expiry date | Jul 30, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/041
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A fabric conditioning article for use in a clothes dryer. The fabric conditioning article having a flexible sheet and a fabric conditioning composition deposited on the sheet. The fabric conditioning composition includes a fabric conditioning agent, perfumed particles and minor components. The perfume particles are a perfume composition incorporated into a porous mineral carrier such as clay and/or zeolite. Optionally, the perfume composition comprises low levels of unstable perfume components. Alternatively, the perfumed particles have a coating material encapsulating at least a portion of the particles. Optionally, the articles are packaged in a container having a moisture barrier to prevent premature release of the perfume therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.