| http://www.w3.org/ns/prov#value | - Exemplary of the physiologically tolerate-d salts of these copolymers which are useful in this invention are the water-soluble salts of alkali metals, as for example, sodium potassium, etc.; ammonium salts; salts of such amines as methylamine, dimethylamine, ethylamine, diethylamine, butylamine, aniline, methoxyamine, piperidine, morpholine, etc.; mixed salts containing ammonia and a primary or se
|
