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New perfluoroalkanesulfonamide salts useful as complexing agents for polyvalent cations

Référence

85466-01

Statut des brevets

French patent application FR0214334 filed on November 15th, 2002 entitled: “Nouveaux agents complexants”

Inventeurs

Hubert BLANCOU
Franck GUILLEN

Statut commercial

Research agreement, exclusive or non exclusive licenses

Laboratoire

Interactions moléculaires et réactivité chimique et photochimique (IMRCP), Toulouse, France, http://imrcp.ups-tlse.fr/

Description

TECHNICAL DESCRIPTION

The invention concerns compounds of formula RfSO2NH<->Y<+>, wherein: R1 represents a C7-C9 perfluoroalkyl group and Y<+> a cation, their preparation method and their use as complex-forming agents as well as a method for recovering polyvalent cations using said complex-forming agents.

BENEFITS

Perfluoroalkanesulfonamide salts form insoluble complexes with polyvalent cations in neutr al aqueous media.

INDUSTRIAL APPLICATIONS

Perfluoroalkanesulfonamide salts are useful as complexing agents for polyvalent cations, especially for water treatment to remove heavy metals.

For further information, please contact us (Ref 85466-01)


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