LU50319A1LU50319ALU50319ALU50319A1LU 50319 A1LU50319 A1LU 50319A1LU 50319 ALU50319 ALU 50319ALU 50319 ALU50319 ALU 50319ALU 50319 A1LU50319 A1LU 50319A1
Authority
LU
Luxembourg
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LU50319A
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Publication date
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Publication of LU50319A1publicationCriticalpatent/LU50319A1/xx
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
