Dryer pearls
US6436894B1 · kind B1 · utility
2Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2001 |
| Grant date | Aug 20, 2002 |
| Priority date | — |
| Expiry date | Jan 13, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/047
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A product for providing anti-static and scent to clothes being laundered in a dryer has a plurality of beads, or pearls, of a polymer composition impregnated with anti-static agents and perfume contained in a mesh bag. The bag and pearls are placed in a clothes dryer with clothing being dried. The anti-static agents and perfume are transmitted to the clothing during the drying cycle. The pearls are composed of a mixture of polypropylene and polyethylene. A whitening agent, such as titanium dioxide, a blowing agent and coloring can all be added to the pearls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.