Patent · US Active

Solid composition for treating water

US7780857B2 · kind B2 · utility

3Cited by

15References

4Claims

0Family size

Assignee

CHEMTURA CORPORATION · US

Inventors

Nidhi Rawat · Duluth, US
David F. Purdy · Decatur, US
Michael J. Engram · Dacula, US

Key dates

Filing date	Oct 19, 2009
Grant date	Aug 24, 2010
Priority date	—
Expiry date	Oct 19, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2103/42
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

A method for reducing the halogen off-gassing rate in a solid water treatment halogen-containing composition is provided comprising forming a solid water treatment halogen-containing composition comprising (a) a halogen containing source; (b) a boron-containing source and (c) a polyphosphate-containing source.

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