Double-sided color photographic paper
US8409791B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 17, 2009 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Nov 17, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C2200/35
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is a double-sided color photographic paper, including, in order, a first protection layer, a first photosensitive layer, a supporting substrate, a second photosensitive layer and a second protection layer. The supporting substrate has a first surface and a second surface opposite to the first surface. A first barrier layer and at least one layer of a first shading layer are sandwiched between the first photosensitive layer and the first surface of the supporting substrate. The first barrier layer is arranged between the first photosensitive layer and the first shading layer; a second barrier layer and at least one layer of a second shading layer are sandwiched between the second surface of the supporting substrate and the second photosensitive layer, and the second barrier layer is arranged between the second shading layer and the second photosensitive layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.