Method of making cellulose ester photographic film base
US5314647A · kind A · utility
7Cited by
3References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 20, 1992 |
| Grant date | May 24, 1994 |
| Priority date | — |
| Expiry date | Jul 20, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/795
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method of making cellulose ester photographic film base employing microwave radiation for removing the final portion of solvent present in the film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.