COLOR DEVELOPING SHEET FOR USE IN PRESSURE-SENSITIVE REPRODUCTION
PURPOSE:To offer the titled low-cost color development sheet having high qualities from various aspects, e.g. a high color developing property, by arranging a color developer containing an aromatic carboxylic acid or its salt with a polyvalent metal, clay and wax on a support. CONSTITUTION:Dispersio...
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Format: | Patent |
Sprache: | eng |
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