Polyester photographic film support
US5718981A · kind A · utility
2Cited by
24References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1996 |
| Grant date | Feb 17, 1998 |
| Priority date | — |
| Expiry date | Feb 2, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31797
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photographic film base comprising a polyester support have a photo-grafted layer of a monomer having a formula selected from: ##STR1## where R.sub.1 is --OX or --NX.sub.2 ; each R.sub.2 is independently selected from X; PA1 R.sub.3 is X, --COOX or --CONX.sub.2 ; PA1 R.sub.4 is --CHX--, --NH-- or --O--; PA1 R.sub.5 is --CHX-- or ##STR2## R.sub.6 is X or --(CH.sub.2).sub.n --COOX, where n is an integer of from 1 to 4 carbon atoms; and each X is independently selected from hydrogen or lower alkyl having 1 to 4 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.