Articles exhibiting durable fluorescence with an ultraviolet screening layer
US5387458A · kind A · utility
76Cited by
12References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 1994 |
| Grant date | Feb 7, 1995 |
| Priority date | — |
| Expiry date | May 9, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Article comprising an ultraviolet screening screen layer and a color layer containing a defined daylight fluorescent dye dissolved in a defined polymeric matrix. The article exhibits durable fluorescence and resistance to degradation from exposure to sunlight. If desired, the article is retroreflective.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.