Patent · US Expired

Method for incorporating anti-oxidants within a fluorescent lamp's base shell

US5821682A · kind A · utility

19Cited by
2References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 31, 1997
Grant dateOct 13, 1998
Priority date
Expiry dateJan 31, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W30/82
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The formation of leachable mercury upon disposal or during TCLP testing of mercury vapor discharge lamps is substantially prevented by incorporation of an organic or inorganic metal mercury antioxidant in the lamp structure or in the test solution.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.