Process for electrolytic graining of aluminum sheet
US4072589A · kind A · utility
34Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 1977 |
| Grant date | Feb 7, 1978 |
| Priority date | — |
| Expiry date | Apr 13, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41N3/034
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method for electrolytically graining the surface of aluminum sheets useful in the production of lithographic printing plates which comprises subjecting said aluminum sheets to the action of alternating electric current in an aqueous electrolytic solution containing, in combination, small but effective amounts of both hydrochloric and nitric acids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.