Reflective imaging display material with biaxially oriented polyolefin sheet
US6261994A · kind A · utility
21Cited by
16References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1998 |
| Grant date | Jul 17, 2001 |
| Priority date | — |
| Expiry date | Sep 17, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249978
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to an imaging element comprising a transparent polymer base, at least one layer of biaxially oriented polyolefin sheet and at least one image layer wherein said polymer sheet has a stiffness of between 20 and 100 millinewtons, and said biaxially oriented polyolefin sheet has a spectral transmission of less than 15%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.