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https://drivepatents.com/patents/1009598 · 14 Sep 2011
The invention provides a method for producing a dispersion wherein a fine particle comprising a fluoropolymer having a sulfonic acid group and/or carboxyl group is dispersed in an aqueous dispersion medium, which method comprises hydrolyzing in an aqueous ...
https://drivepatents.com/patents/1077411 · 1 Jun 2005
A fluoropolymer solid composition which contains a fine particle comprising a fluoropolymer, said fluoropolymer having an acid/acid salt group, said acid/acid salt group being a sulfonic acid group, -SO2NRR, a carboxyl group, -SO3NRRRR, -SO3M1/L, -COONRRRR...