Patent · US Expired

Self-regulating water purification composition

US5772896A · kind A · utility

47Cited by
46References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 5, 1996
Grant dateJun 30, 1998
Priority date
Expiry dateApr 5, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S210/914
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

The invention relates to a water purification composition including silver metal and a second metal. The second metal is relatively reducing and helps control the overall silver cation concentration in solution. The composition effectively disinfects and removes toxic metal ions from water.

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