Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Publication date
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Priority to JP49042211ApriorityCriticalpatent/JPS50136312A/ja
Priority to GB1537475Aprioritypatent/GB1499193A/en
Priority to DE19752516383prioritypatent/DE2516383A1/de
Publication of JPS50136312ApublicationCriticalpatent/JPS50136312A/ja
B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
B41M5/00—Duplicating or marking methods; Sheet materials for use therein
B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
B41M5/132—Chemical colour-forming components; Additives or binders therefor