Biocidal clothes dryer additive for laundered fabrics
US5221574A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 1992 |
| Grant date | Jun 22, 1993 |
| Priority date | — |
| Expiry date | Jun 29, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2525
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a method for imparting biocidal protection to clothing or other fabrics which comprises contacting the clothing or other fabrics with a biocidally effective amount of pyrithione acid, or salt(s) thereof, or combinations thereof, in an automatic laundry dryer. Also disclosed is a transfer substrate containing a biocide consisting essentially of pyrithione acid, or salt(s) thereof, or combinations thereof, said biocide being present in or on said transfer substrate in an amount sufficient to impart antimicrobial activity to clothing or other fabric in an automatic clothes dryer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.