Metal cleaning and de-icing compositions
US5858947A · kind A · utility
0Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 27, 1997 |
| Grant date | Jan 12, 1999 |
| Priority date | — |
| Expiry date | Aug 27, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23G1/125
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A metal cleaning composition comprising EDDS is described. Preferably, the compositions comprise optical isomers of EDDS, such as (s,s)EDDS. The compositions are particularly well suited for cleaning iron, zinc, aluminum, and copper. De-icer compositions comprising EDDS are also described. Also disclosed are processes for using the compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.