PHOTOGRAPHISCHES MATERIAL FUER DIE HERSTELLUNG VON DIREKTPOSITIVEN
Direct positive film with incorporated developer having improved sensitometric properties and storage stability is obtained with a developer combination of hydroquinone monosulfonate and a superadditive developer of the 3-pyrazolidone or the N-methyl-p-aminophenol sulfate types.
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Main Authors | , |
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Format | Patent |
Language | German |
Published |
21.08.1975
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Edition | 2 |
Subjects | |
Online Access | Get full text |
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