Chemiluminescent devices having integral light shields
US5980055A · kind A · utility
11Cited by
3References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1997 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Sep 30, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21K2/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The instant invention is a light shield formed integral with chemiluminescent devices to effectively block ambient light thereby inhibiting photo degradation of chemical reagents when exposed to external light sources. The light shield displaces conventional foil or the like product packaging designed to protect against light yet permits instant and easy activation of chemiluminescent reagents without interfering with the chemiluminescent reaction. The integral light shields further simplify packaging and extend the product shelf life of the chemiluminescent reagents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.