Duplitized reflective members useful for album pages
US6355403B1 · kind B1 · utility
24Cited by
17References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2000 |
| Grant date | Mar 12, 2002 |
| Priority date | — |
| Expiry date | Jan 28, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/153
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This invention relates to a photographic element comprising a base having a reflection surface on each side having a spectral transmission of less than 10% and at least one photosensitive silver halide containing layer on each side wherein said photographic element has a speed less than 50 ASA.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.