. . "Typical anionic groups of Q are carboxylic, ammonium or metal carboxylate where the metal is an alkali or alkali earth metal, especially sodium, potassium, calcium, magnesium and the like, sulfinic or sulfonic acid group or ammonium or a metal salt thereof or phosphonic (OP(OH)2) or phosphoric (OP(OH)3) acid group or ammonium or metal salt thereof." . . .