Heat development type diazo copying material containing a light insensitive intermediate layer provided between the support and the photosensitive layer
US5089371A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1989 |
| Grant date | Feb 18, 1992 |
| Priority date | — |
| Expiry date | Jul 20, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/52
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention is directed toward a heat development copying material, comprising a support having provided thereon a photosensitive layer containing a diazo compound, a coupling component, a color-forming assistant, and a film-forming high polymeric binder; and a light-insensitive intermediate laeyr containing a film-forming high polymeric binder, and at least one member selected from the group consisting of a coupling component and a color-forming assistant, wherein the light-insensitive intermediate layer is provided between the support and the photosensitive layer, and a method for forming an image using the above-described copying material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.