Compositions for recording materials
US4199357A · kind A · utility
3Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 1978 |
| Grant date | Apr 22, 1980 |
| Priority date | — |
| Expiry date | Jan 16, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/705
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A composition for a recording material comprising a bismuth-sulfur series material or a bismuth-germanium-sulfur series material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.