Photographic base with oriented polyolefin and polyester sheets
US6270950A · kind A · utility
12Cited by
18References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 1999 |
| Grant date | Aug 7, 2001 |
| Priority date | — |
| Expiry date | Oct 5, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31797
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photographic element comprising a laminated base wherein said base comprises a voided polyester sheet having laminated thereto a biaxially oriented polyolefin sheet on the bottom of said polyester sheet and a biaxially oriented polyolefin sheet laminated to the top of said polyester sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.