Recording film and recording method
US5275867A · kind A · utility
41Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 1992 |
| Grant date | Jan 4, 1994 |
| Priority date | — |
| Expiry date | Feb 12, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31504
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A recording film comprising a transparent substrate, a porous alumina hydrate layer formed on the substrate and an opaque porous layer laminated on the alumina hydrate layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.