| prov:value
| - Suitable naturally occurring polymers include, for example, oxidized starch (e.g. DE 42 28 786) and polyamino acids, such as polyglutamic acid or polyaspartic acid,e.g. from Cygnus, Bayer, Rohm & Haas, Rhone-Poulenc or SRCHEM.Possible phosphonic acids are, for example, 1-hydroxyethane-1,1-diphosphonic acid, diethylenetriaminepentamethylenephosphonic acid or ethylenediaminetetramethylenephosphonic
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