Silver halide photographic film utilizing cellulose triacetate support with two antistatic layers
US5472833A · kind A · utility
3Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1994 |
| Grant date | Dec 5, 1995 |
| Priority date | — |
| Expiry date | Apr 14, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/85
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A process for making a photographic film support comprising applying a film forming coating composition containing an antistat agent to a first clear transparent polymeric film to form an antistat layer on the polymeric film and overcoating the free surface of the antistat layer with a second polymeric film having the same chemical composition as the first polymeric film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.