Patent · US Expired

Individual portable water-treatment device

US4894154A · kind A · utility

29Cited by

2References

14Claims

0Family size

Assignee

Societe de Recherche Techniques et Industrielles (SRTI) · FR

Inventors

Bernard Roz · Les Ulis, FR
Jacques Andre · Sainte-Geneviève-des-Bois, FR

Key dates

Filing date	Jun 15, 1988
Grant date	Jan 16, 1990
Priority date	—
Expiry date	Jun 15, 2008

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2201/006
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

The water filtering device of the invention comprises a cartridge for filtering suspended materials, an active carbon charge, a charge of anion and cation exchanging resins and a bacteria filtering cartridge.

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