Sprayable abrasive cleaning compositions
US6378786B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1999 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | Aug 3, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/041
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A spraying device comprising a reservoir and a nozzle linked by a path is used to apply an aqueous cleaning composition to a surface. The interim dimension of the path is located immediately upstream of the nozzle. The composition comprises abrasive particles, wherein substantially none of the particles has a maximum dimension which is more than half of the minimum dimension of the path and none of said particles have a dimension greater than said minimum dimension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.