Photographic support material comprising an antistatic layer and a heat-thickening barrier layer
US5284714A · kind A · utility
24Cited by
13References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 1993 |
| Grant date | Feb 8, 1994 |
| Priority date | — |
| Expiry date | Feb 22, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31736
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A base for a photographic element is provided which comprises a support having disposed thereon a vanadium pentoxide antistatic layer and an overlying barrier layer of a heat-thickening polyacrylamide polymer having hydrophilic functionality, and a method for preparing it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.