Development of Photographic Material,
ARMY FOREIGN SCIENCE AND TECHNOLOGY CENTER CHARLOTTESVILLE VA
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For photographic material developed in a hydroxybenzene or aminophenol developer, improvement in the photographic sensitivity, rate of development, thickness of developed image, stability of developer, and its resistance to the inhibiting action of bromides are obtained when arylenedipyrazoidones of the general formula pyrazolinone-phenylene-X-phenylene-pyrazolinone, where X is O or CH2CH2, are added to the developer.
- Printing and Graphic Arts