Photographic paper
US5300415A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1993 |
| Grant date | Apr 5, 1994 |
| Priority date | — |
| Expiry date | Jul 15, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/825
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention provides a photographic element comprising a paper substrate with a polyolefin coating provided on at least one surface, a hydrophilic colloid layer on the polyolefin coating, and at least one light sensitive silver halide emulsion above the hydrophilic colloid layer, wherein said hydrophilic colloid layer comprises a removable antihalation material and from about 20 to 80 percent by weight of a white pigment, and from about 15 to 35 percent by weight of hollow microspheres having a diameter of from about 0.1 to about 1 um.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.