Patent · US Expired

Biocidal clothes dryer additive for laundered fabrics

US5221574A · kind A · utility

5Cited by
2References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 29, 1992
Grant dateJun 22, 1993
Priority date
Expiry dateJun 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.