Method for spray cleaning painted surfaces
US4284435A · kind A · utility
60Cited by
8References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 28, 1979 |
| Grant date | Aug 18, 1981 |
| Priority date | — |
| Expiry date | Nov 28, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A cleaning composition and method for removing road film from transportation vehicles without the necessity of mechanical brushing or wiping of the surface using high pressure spray equipment. The composition comprises 2 to 30% by weight of chelating agent; 1 to 12% by weight of a bis(ethoxylated) quaternary ammonium compound; 0.5% to 5% by weight ethoxylated alcohol nonionic; 0-5% by weight sodium metasilicate and water. This concentrate is diluted with water and applied to the surface at a pressure of above 400 psi.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.