Coating method for having simultaneous separate extrudable multiple coatings with laterally spaced separators
US4469782A · kind A · utility
10Cited by
1References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 19, 1982 |
| Grant date | Sep 4, 1984 |
| Priority date | — |
| Expiry date | Jul 19, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C8/42
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a film unit for photography of the diffusive transfer process type including a photosensitive sheet, a mask defining an image border definition with an aperture provided therein, a pod for a processing liquid etc., bordering portions of the photosensitive sheet underlying around the image border definition are applied by dummy liquid layers in place of the layers constituting the photosensitive sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.