Combined laundry finishing treatment agent package and method
US4167594A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1977 |
| Grant date | Sep 11, 1979 |
| Priority date | — |
| Expiry date | Dec 27, 1997 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M23/00
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A laundry finishing treatment article for use in a mechanical laundry drier to treat fabrics with a substance of the laundry finishing type and a laundry odorant, the article comprising a hollow bag of two-layer composite sheeting having a pillowlike form closed on all sides, the external layer of said two-layer composite sheeting being an open-celled absorbent layer containing an amount effective to treat said fabrics of the substance, which substance is substantially solid at room temperature and softened or liquefied at elevated drier temperatures to enable a transfer of the substance to the laundry during the drying thereof, and the internal layer of the two-layer composite sheeting being a plastic film substantially gas-impermeable at room temperature and gas-permeable to the odorant at elevated drier temperatures, the film enclosing an effective amount of the odorant; as well as the process for after-treating laundry in a drier in which the above laundry finishing treatment article is introduced into a drier together with moist laundry and allowed to act on the laundry during the drying process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.