Gel compositions for diffusion devices
US7138367B2 · kind B2 · utility
7Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2004 |
| Grant date | Nov 21, 2006 |
| Priority date | — |
| Expiry date | Jul 29, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L9/048
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention concerns a gel composition capable of bringing a benefit or effect by diffusing into its surrounding environment an active volatile. The compositions according to the invention include a water based medium, comprising an active volatile, a super-absorbent polyacrylate based polymer and a polymeric cross-linking agent having a high molecular weight and being able to be polarized with positive charges. The invention also concerns the consumer article containing, or associated with, the composition, in particular a device intended to diffuse a volatile liquid, more specifically an air-freshener.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.