Novel photographic film assemblies
US3953872A · kind A · utility
2Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 1974 |
| Grant date | Apr 27, 1976 |
| Priority date | — |
| Expiry date | Aug 16, 1994 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01M6/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A photographic film assembly which comprises a cassette; a supply of photographic film disposed within the cassette; a battery positioned within the cassette which includes one or more cells containing an aqueous electrolyte possessing an ionizable ammonium salt, and gas collector means consisting essentially of an absorbent carbon positioned within the cassette for capture of volatile effluvia liberated by the battery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.