Photographic element with microvoided sheet of opalescent appearance
US5888681A · kind A · utility
46Cited by
19References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 1997 |
| Grant date | Mar 30, 1999 |
| Priority date | — |
| Expiry date | May 23, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24998
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention relates to a photographic element comprising a paper base, at least one photosensitive silver halide layer, a layer of microvoided polymer sheet between said paper base and said silver halide layer, wherein said microvoided polymer sheet comprises a series of microvoids separated by polymer matrix in the vertical direction such that said microvoided polymer sheet when reflecting light has an opalescent appearance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.