Process for electrolytic graining of aluminum sheet
US4052275A · kind A · utility
24Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1976 |
| Grant date | Oct 4, 1977 |
| Priority date | — |
| Expiry date | Dec 2, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12993
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method for electrolytically graining the surface of aluminum sheets useful in the production in lithographic printing plates which comprises subjecting said aluminum sheets to the action of an electric current in an aqueous electrolytic solution containing, in combination, small but effective amounts of both hydrochloric and tartaric acids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.