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IT1009108B - Carta copiativa sensibile alla pres sione - Google Patents

Carta copiativa sensibile alla pres sione

Info

Publication number
IT1009108B
IT1009108B IT6713574A IT6713574A IT1009108B IT 1009108 B IT1009108 B IT 1009108B IT 6713574 A IT6713574 A IT 6713574A IT 6713574 A IT6713574 A IT 6713574A IT 1009108 B IT1009108 B IT 1009108B
Authority
IT
Italy
Prior art keywords
press
copy paper
sensitive copy
sensitive
paper
Prior art date
Application number
IT6713574A
Other languages
English (en)
Original Assignee
Wiggins Teape Res Dev
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 Wiggins Teape Res Dev filed Critical Wiggins Teape Res Dev
Application granted granted Critical
Publication of IT1009108B publication Critical patent/IT1009108B/it

Links

Classifications

    • 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
    • B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • B41M5/1455—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring characterised by fluoran compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
IT6713574A 1973-01-18 1974-01-17 Carta copiativa sensibile alla pres sione IT1009108B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB273673 1973-01-18

Publications (1)

Publication Number Publication Date
IT1009108B true IT1009108B (it) 1976-12-10

Family

ID=9744924

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6713574A IT1009108B (it) 1973-01-18 1974-01-17 Carta copiativa sensibile alla pres sione

Country Status (4)

Country Link
JP (1) JPS49103710A (it)
BE (1) BE812208A (it)
DE (1) DE2402384A1 (it)
IT (1) IT1009108B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4197346A (en) * 1978-10-10 1980-04-08 Appleton Papers Inc. Self-contained pressure-sensitive record material and process of preparation
JPS591297A (ja) * 1982-06-29 1984-01-06 Mita Ind Co Ltd 黒色感熱記録要素
US4639271A (en) * 1985-04-24 1987-01-27 Moore Business Forms, Inc. Chromogenic mixtures

Also Published As

Publication number Publication date
BE812208A (fr) 1974-09-12
JPS49103710A (it) 1974-10-01
DE2402384A1 (de) 1974-07-25

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