Motion picture print film
US5786134A · kind A · utility
21Cited by
18References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 1997 |
| Grant date | Jul 28, 1998 |
| Priority date | — |
| Expiry date | May 15, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/162
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This invention relates to a motion picture print film having a support and having, in order, on one side thereof an antihalation undercoat and at least one silver halide emulsion layer and having, in order, on the opposite side thereof an antistatic layer, a protective overcoat; characterized in that said protective overcoat includes a polyurethane binder and the polyurethane binder has a tensile elongation to break of at least 50% and a Young's modulus measured at a 2% elongation of at least 50000 lb/in, and a topcoat farthest from the support which includes a hydrophilic binder at a weight percent of at least 20.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.