Limited play data storage media and coating formulations thereon
US7226719B2 · kind B2 · utility
1Cited by
20References
55Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2003 |
| Grant date | Jun 5, 2007 |
| Priority date | — |
| Expiry date | Jan 30, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention provides a formulation for a reactive dye layer for a limited-play optical storage medium, the reactive formulation including at least one carrier material or curable acrylate monomer, at least one reactive material disposed within the carrier material or acrylate monomer, and at least one photo-bleaching retarder material disposed within the at least one adhesive material. The at least one photo-bleaching retarder material includes at least one polymeric polyhydroxy compound selected from the group consisting of polyhydroxystyrenes, cellulose, and functionalized cellulose derivatives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.