prov:value
| - Polymeric materials with which the present invention phosphine oxide anhydrides can be employed as adjuvants are also polymers which contain elements such as sulfur, phosphorus, boron or silicon, e.g., the sulfides, sulfones, sulfoxides, sulfites, sulfates and sulfonates such as the polymers and copolymers of vinyl sulfide, vinyl sulfone, 2-propenyl sulfoxide, ethylene sulfonic acid and its salts,
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