Patent Number: 7,714,028

Title: Compositions containing particles of highly fluorinated ion exchange polymer

Abstract: Solid and liquid compositions containing particles of highly fluorinated ion-exchange polymer having sulfonate functional groups with an ion exchange ratio of less than about 33. The compositions contain at least about 25% by weight of polymer particles having a particle size of about 2 nm to about 30 nm.

Inventors: Curtin; Dennis Edward (Fayetteville, NC), Howard; Edward George (Hockessin, DE)

Assignee: E.I. du Pont de Nemours and Company

International Classification: C08J 5/20 (20060101)

Expiration Date: 5/11/12018