Encapsualted perfume in fabric conditioning articles
US5425887A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 1993 |
| Grant date | Jun 20, 1995 |
| Priority date | — |
| Expiry date | Jul 26, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2352
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A tumble dryer article comprising an effective amount of a fabric conditioning composition containing from about 60 to about 99 wt. % of a hydrocarbon based fabric conditioning component a) an effective amount of a fabric conditioning composition having PA1 (i) from about 60 to about 99 wt. % of a hydrocarbon based fabric conditioning component; and PA1 (ii) 0.5 wt. % to 30 wt. % perfume capsules consisting essentially of a water soluble natural or modified natural or synthetic polymer and 1% to 70% perfume, the fabric conditioning composition having 10 wt. % or less free water when 0.5 wt. % to 10 wt. % perfume capsules are present and a free water to perfume capsules ratio of less than about 1 when more than 10 wt. % perfume particles are present; and b) dispensing means for dispensing the fabric conditioning composition onto fabrics in a tumble dryer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.