发明授权
US4391903A Ionic copolymers in photographic light-sensitive silver halide films 失效
照相感光卤化银膜中的离子共聚物

Ionic copolymers in photographic light-sensitive silver halide films
摘要:
Ionic copolymers of styrene sulfonic acid and maleic acid improve covering power when added to the gelatin binder employed in medical silver halide X-ray emulsions.
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