Polyethylene terephthalate film for use as support for radiographic film
US3948664A · kind A · utility
11Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 1973 |
| Grant date | Apr 6, 1976 |
| Priority date | — |
| Expiry date | Oct 15, 1993 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/167
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A colored polyetylene terephthalate film to be employed as the support in radiographic films, having incorporated therein certain specific anthraquinone dyes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.