CH290006A - Ribbon for obtaining visible inscriptions. - Google Patents

Ribbon for obtaining visible inscriptions.

Info

Publication number
CH290006A
CH290006A CH290006DA CH290006A CH 290006 A CH290006 A CH 290006A CH 290006D A CH290006D A CH 290006DA CH 290006 A CH290006 A CH 290006A
Authority
CH
Switzerland
Prior art keywords
ribbon
obtaining visible
inscriptions
visible inscriptions
obtaining
Prior art date
Application number
Other languages
French (fr)
Inventor
Company The National Register
Original Assignee
Ncr Co
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 Co filed Critical Ncr Co
Publication of CH290006A publication Critical patent/CH290006A/en

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
CH290006D 1948-09-02 1949-08-25 Ribbon for obtaining visible inscriptions. CH290006A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH290006A true CH290006A (en) 1953-04-15

Family

ID=21846684

Family Applications (1)

Application Number Title Priority Date Filing Date
CH290006D CH290006A (en) 1948-09-02 1949-08-25 Ribbon for obtaining visible inscriptions.

Country Status (6)

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

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 (en) * 1959-07-11 1961-12-14 Gerhard Ritzerfeld Process for the production of impressions of printing forms with an ink supply of triphenylmethane dyes
DE1210902B (en) * 1963-01-24 1966-02-17 Schleipen & Erkens Ag Paper for reproduction
US4662651A (en) * 1985-05-31 1987-05-05 The Standard Register Company Document protection using multicolor characters
DE3520190C1 (en) * 1985-06-05 1986-10-30 Pelikan Ag, 3000 Hannover Tissue tape

Also Published As

Publication number Publication date
NL148387B (en)
FR995158A (en) 1951-11-28
DE837854C (en) 1952-05-02
BE490884A (en)
GB664456A (en) 1952-01-09
NL71745C (en)

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