Element having adhesion of gelatin and emulsion coatings to polyester film
US5244780A · kind A · utility
22Cited by
25References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 1991 |
| Grant date | Sep 14, 1993 |
| Priority date | — |
| Expiry date | May 28, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31717
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A polymeric film substrate is first modified, then coated with a polyalkyl acrylate/gelatin layer to improve the wet adhesion of the layer to the substrate. The layer may itself contain a photographic emulsion or emulsion layers may be adhered to that layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.