BE490884A - - Google Patents

Info

Publication number
BE490884A
BE490884A BE490884DA BE490884A BE 490884 A BE490884 A BE 490884A BE 490884D A BE490884D A BE 490884DA BE 490884 A BE490884 A BE 490884A
Authority
BE
Belgium
Application number
Priority date (The priority date 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 date listed.)
Publication of BE490884A publication Critical patent/BE490884A/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J31/00Ink ribbons; Renovating or testing ink ribbons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124Duplicating 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124Duplicating 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
    • B41M5/132Chemical colour-forming components; Additives or binders therefor
    • B41M5/136Organic colour formers, e.g. leuco dyes
    • B41M5/145Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124Duplicating 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
    • B41M5/132Chemical colour-forming components; Additives or binders therefor
    • B41M5/136Organic colour formers, e.g. leuco dyes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124Duplicating 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
    • B41M5/132Chemical colour-forming components; Additives or binders therefor
    • B41M5/136Organic colour formers, e.g. leuco dyes
    • B41M5/1366Organic colour formers, e.g. leuco dyes characterised solely by tri (aryl or hetaryl)methane derivatives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Coloring (AREA)
BE490884D 1948-09-02 BE490884A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US290006XA 1948-09-02 1948-09-02

Publications (1)

Publication Number Publication Date
BE490884A true BE490884A (en:Method)

Family

ID=21846684

Family Applications (1)

Application Number Title Priority Date Filing Date
BE490884D BE490884A (en:Method) 1948-09-02

Country Status (6)

Country Link
BE (1) BE490884A (en:Method)
CH (1) CH290006A (en:Method)
DE (1) DE837854C (en:Method)
FR (1) FR995158A (en:Method)
GB (1) GB664456A (en:Method)
NL (2) NL148387B (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2759586A (en) * 1953-01-27 1956-08-21 H M Storms Company Typewriter ribbons
DE1119302B (de) * 1959-07-11 1961-12-14 Gerhard Ritzerfeld Verfahren zur Herstellung von Abdrucken von Druckformen mit einem Farbvorrat von Triphenylmethan-Farbstoffen
DE1210902B (de) * 1963-01-24 1966-02-17 Schleipen & Erkens Ag Papier zur Vervielfaeltigung
US4662651A (en) * 1985-05-31 1987-05-05 The Standard Register Company Document protection using multicolor characters
DE3520190C1 (de) * 1985-06-05 1986-10-30 Pelikan Ag, 3000 Hannover Gewebeschreibband

Also Published As

Publication number Publication date
FR995158A (fr) 1951-11-28
DE837854C (de) 1952-05-02
CH290006A (fr) 1953-04-15
NL71745C (en:Method)
GB664456A (en) 1952-01-09
NL148387B (nl)

Similar Documents

Publication Publication Date Title
FR961250A (en:Method)
IT454516A (en:Method)
FR961586A (en:Method)
FR961568A (en:Method)
BE481872A (en:Method)
NL84735C (en:Method)
NL77702C (en:Method)
NL71745C (en:Method)
BE494141A (en:Method)
BE492747A (en:Method)
BE492414A (en:Method)
BE488616A (en:Method)
BE487326A (en:Method)
BE487179A (en:Method)
BE483030A (en:Method)
BE482939A (en:Method)
BE482897A (en:Method)
BE482754A (en:Method)
BE482739A (en:Method)
BE482724A (en:Method)
BE482555A (en:Method)
BE482453A (en:Method)
BE482415A (en:Method)
BE482360A (en:Method)
BE482263A (en:Method)