Patent · US Expired

Media for water treatment

US6743372B1 · kind B1 · utility

3Cited by

9References

5Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Roland Kleinstuck · Bensberg, DE
Torsten Groth · Reinbek, DE
Winfried Joentgen · Neunburg vorm Wald, DE

Key dates

Filing date	Feb 13, 2001
Grant date	Jun 1, 2004
Priority date	—
Expiry date	Feb 13, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC23F11/173
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

The present invention relates to compositions for water treatment based on biodegradable polymers containing repeating succinyl units, biocidal oxidizing agents and unsubstituted or substituted amidosulphonic acid, their use in, and the process for, conditioning water of cooling circuits.

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