Holographic film material
US4836628A · kind A · utility
1Cited by
11References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 1987 |
| Grant date | Jun 6, 1989 |
| Priority date | — |
| Expiry date | Apr 6, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S359/90
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Holographic film material which comprises in a silver halide emulsion layer an amount of a water-soluble compound, which does not affect the photographic properties of the silver halide emulsion and which is non-light scattering.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.