Method and composition for treatment of aluminum
US5158622A · kind A · utility
29Cited by
13References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 1991 |
| Grant date | Oct 27, 1992 |
| Priority date | — |
| Expiry date | Feb 12, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C22/56
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Methods of forming a dried in place conversion coating on metal surfaces such as aluminum and aluminum alloys. The methods comprise contacting the metal with an aqueous solution of a water soluble maleic or acrylic acid/allyl ether copolymer alone or with an acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.