Photographic support with an undercoating layer on a resin coated base sheet
US5008150A · kind A · utility
5Cited by
0References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 1988 |
| Grant date | Apr 16, 1991 |
| Priority date | — |
| Expiry date | Oct 3, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31909
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photographic support having an undercoating layer on a resin coated base sheet, said undercoating layer comprising (a) a hydrophilic colloid, and (b) a special amphoteric surface active agent, or (a) a hydrophilic colloid, (b') a p-hydroxybenzoic acid ester and/or a special amphoteric surface active agent and (c) a special isothiazoline-3-one compound, provides excellent coating and adhesive properties to a photographic emulsion layer formed on the undercoating layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.