Clear duplitized display materials
US6080532A · kind A · utility
14Cited by
17References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1998 |
| Grant date | Jun 27, 2000 |
| Priority date | — |
| Expiry date | Sep 17, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/14
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention relates to a photographic element comprising a transparent polymer sheet, at least one image layer on the topside and one image layer on the bottom side wherein said polymer sheet has a stiffness of between 20 and 100 millinewtons, and said photographic element has a spectral transmission of at least 90% and a reflection density less than 10%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.