Photographic materials containing aroylacetanilide type color couplers
The invention comprises aroylacetarylamide colour couplers wherein the aroyl part contains a sulphonic acid group, the arylamide part may contain a hydrophobic group and either part contains a C5- 20 hydrophobic group inhibiting migration of the colour coupler. Exemplified compounds have the formula...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
20.02.1968
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Subjects | |
Online Access | Get full text |
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