Dye composition for optical recording media having selected anions
US5952073A · kind A · utility
6Cited by
18References
18Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 2, 1997 |
| Grant date | Sep 14, 1999 |
| Priority date | — |
| Expiry date | Jun 2, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/21
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A dye composition for use in optical recording media, comprising at least one cyanine dye having an anion selected from the group consisting of thiocyanate, lactate, hypophosphite, tetracyanonickelate, selenocyanate, trifluromethanesulfonate, ferricyanide, 4-hydroxybutyrate, nitrite, 2-(3',5'-dimethyl-2'-hydroxyphenyl)-2H-benztriazole-4-sulfonate, 1,2-napthoquinone-2-diazide-5-sulfonate and picrate and preferably dissolved in ethyl lactate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.