Organic rare-earth salt phosphor
US4572803A · kind A · utility
77Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1982 |
| Grant date | Feb 25, 1986 |
| Priority date | — |
| Expiry date | Jun 30, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Rare-earth metal salts of organic carboxylic acids of this invention constitute themselves phosphors which exhibit unusually high luminescence efficiency, excel in chemical and physical stability and weatherability, show high affinity for other chemical substances and promise extensive usefulness in the field of high-performance luminescent products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.