Patent · US Active

Method for removal of guanidine compound from aqueous media

US7842188B2 · kind B2 · utility

2Cited by

25References

14Claims

0Family size

Assignee

Sabic Innovative Plastics B.V. · NL

Inventors

David Bruce Hall · Ballston Lake, US
Thomas Link Guggenheim · Greenwood, US
James Manio Silva · Clifton Park, US
Farid Fouad Khouri · Clifton Park, US
Matthew Hal Littlejohn · Freeport, US
Balakrishnan Ganesan · Bengaluru, IN
Ashok Shyadligeri · Bengaluru, IN
Pradeep Nadkarni · Bengaluru, IN

Key dates

Filing date	Mar 12, 2007
Grant date	Nov 30, 2010
Priority date	—
Expiry date	Oct 3, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2101/38
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Disclosed is a method for removing a neutral or an ionic guanidine compound from aqueous media optionally comprising an alkali metal halide, wherein the method is selected from the group consisting of (a) adsorption onto a carbonaceous adsorbent, (b) adsorption onto a clay adsorbent, (c) filtration through a nanofiltration membrane, and (d) removal of water and calcination.

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