DE837854C - Schreibmaschinenband fuer Verwendung zum Hervorbringen sichtbarer Aufzeichnungen - Google Patents

Schreibmaschinenband fuer Verwendung zum Hervorbringen sichtbarer Aufzeichnungen

Info

Publication number
DE837854C
DE837854C DEP52306A DEP0052306A DE837854C DE 837854 C DE837854 C DE 837854C DE P52306 A DEP52306 A DE P52306A DE P0052306 A DEP0052306 A DE P0052306A DE 837854 C DE837854 C DE 837854C
Authority
DE
Germany
Prior art keywords
tape
recording material
dye
color
writing
Prior art date
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.)
Expired
Application number
DEP52306A
Other languages
German (de)
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NCR Voyix Corp
Original Assignee
NCR Corp
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.)
Filing date
Publication date
Application filed by NCR Corp filed Critical NCR Corp
Application granted granted Critical
Publication of DE837854C publication Critical patent/DE837854C/de
Expired legal-status Critical Current

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)
DEP52306A 1948-09-02 1949-08-18 Schreibmaschinenband fuer Verwendung zum Hervorbringen sichtbarer Aufzeichnungen Expired DE837854C (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE837854C true DE837854C (de) 1952-05-02

Family

ID=21846684

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP52306A Expired DE837854C (de) 1948-09-02 1949-08-18 Schreibmaschinenband fuer Verwendung zum Hervorbringen sichtbarer Aufzeichnungen

Country Status (6)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (3)

* 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
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
NL71745C (ru)
GB664456A (en) 1952-01-09
BE490884A (ru)
NL148387B (nl)
CH290006A (fr) 1953-04-15
FR995158A (fr) 1951-11-28

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