Poly(ethylene oxide) and alkali metal salt antistatic backing layer for photographic paper coated with polyolefin layer
US5683862A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1996 |
| Grant date | Nov 4, 1997 |
| Priority date | — |
| Expiry date | Oct 31, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/895
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Described herein is a photographic paper coated with a polyolefin resin layer on each surface, one of the free surfaces of one of the polyolefin layers bearing a print retaining antistatic layer with improved spliceability and track off characteristics. The antistatic layer includes a polymeric latex binder and a non-ionic surface active compound having poly(ethylene oxide) and an alkali metal salt wherein the non-ionic surface active compound is between 0.1 and 4 percent by dry weight of the antistatic layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.