| http://www.w3.org/ns/prov#value | - US. Patents 2,184,943; 2,195,196; 2,204,539; 2,228,159; 2,228,160; 2,230,641; 2,259,455; 2,285,750; 2,319,359; 2,366,007; 2,340,110; and 2,340,111 describe Mixtures of resins, including mixtures of at least one anion-exchange resin in the hydroxyl form and at least one cation-exchange resin in the hydrogen form, can be incorporated in the paper products. -Papers containing such mixtures of the two
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