Rinse aid for metal surfaces
US5279677A · kind A · utility
10Cited by
74References
29Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 17, 1991 |
| Grant date | Jan 18, 1994 |
| Priority date | — |
| Expiry date | Jun 17, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/722
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous composition for treating metal surfaces, particularly formed aluminum and aluminum alloy surfaces, comprising a surface tension reducing agent selected from the group consisting of sulfosuccinate salts and derivatives and mixtures thereof, a surfactant selected from the group consisting of propoxylated and ethoxylated linear alcohols, and an acid such as phosphoric acid, as well as preferably a bactericide and a defoamant, and a method for treating metal surfaces, particularly beverage containers, such as of aluminum and aluminum alloy with such a composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.