Scrubber pad
US4820579A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 7, 1988 |
| Grant date | Apr 11, 1989 |
| Priority date | — |
| Expiry date | Jun 7, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249981
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A scrubber pad preferably of flat rectangular parallelpiped-shaped characterized by good cleaning properties, safety to surfaces, and soap retention, prepared by, selecting a polyester polyurethane foam having the desired density and porosity, binding a polyesters spun bonded non-woven material to one side of said foam, impregnating the foam with a detergent formulation containing alkyl aryl sulfonate, sodium carbonate, magnesium sulfate and sodium sulfate, perfume and water. Cutting the impregnated product into pads of the desired shape and size and sealing the edges of the pads by application of the adhesive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.