Fluorinated ionomers

US6576100B2 · kind B2 · utility

Assignee

• Ausimont S.p.A. · IT

Inventors

• Vincenzo Arcella · Milano, IT
• Alessandro Ghielmi · Frankfurt am Main, DE
• Marco Apostolo · Novara, IT
• Julio A. Abusleme · Saronno, IT

Key dates

• Filing date: Jun 22, 2001
• Grant date: Jun 10, 2003
• Expiry date: Sep 6, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P70/50
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Crosslinked sulphonic fluorinated ionomers having an equivalent weight 380-1300 g/eq, comprising:(A) monomeric units deriving from one or more fluorinated monomers containing at least one ethylene unsaturation;(B) fluorinated monomeric units containing sulphonyl groups —SO2F in an amount such as to give the above indicated equivalent weight.