Squarylium compounds and optical recording media using the same
US6599605B2 · kind B2 · utility
4Cited by
0References
27Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 28, 2001 |
| Grant date | Jul 29, 2003 |
| Priority date | — |
| Expiry date | Dec 20, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/21
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An object of the present invention is to provide novel squarylium compounds having the spectroscopic properties, light resistance, solubility and thermal decomposition properties suitable for a recording material for DVD-R, and optical recording media using the same. More particularly, the present invention provides novel squarylium compounds represented by the general formula (I). In addition, the present invention provides optical recording media having a recording layer containing said squarylium compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.