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

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J31/00—Ink ribbons; Renovating or testing ink ribbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • 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
    • B41M5/136—Organic colour formers, e.g. leuco dyes
    • B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • 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
    • B41M5/136—Organic colour formers, e.g. leuco dyes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • 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
    • B41M5/136—Organic colour formers, e.g. leuco dyes
    • B41M5/1366—Organic 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 (sv)

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 (sv)

Family

ID=21846684

Family Applications (1)

Application Number Title Priority Date Filing Date
BE490884D BE490884A (sv) 1948-09-02

Country Status (6)

Country Link
BE (1) BE490884A (sv)
CH (1) CH290006A (sv)
DE (1) DE837854C (sv)
FR (1) FR995158A (sv)
GB (1) GB664456A (sv)
NL (2) NL71745C (sv)

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

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