AU430888B2 - Pressure sensitive copying paper - Google Patents

Pressure sensitive copying paper

Info

Publication number
AU430888B2
AU430888B2 AU27875/71A AU2787571A AU430888B2 AU 430888 B2 AU430888 B2 AU 430888B2 AU 27875/71 A AU27875/71 A AU 27875/71A AU 2787571 A AU2787571 A AU 2787571A AU 430888 B2 AU430888 B2 AU 430888B2
Authority
AU
Australia
Prior art keywords
pressure sensitive
copying paper
sensitive copying
paper
pressure
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
AU27875/71A
Other versions
AU2787571A (en
Inventor
Mutsuo Terayama Nobovar Sasaki Kenji Yamamoto
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.)
Yamamoto Chemicals Inc
Original Assignee
Yamamoto Chemicals Inc
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 Yamamoto Chemicals Inc filed Critical Yamamoto Chemicals Inc
Priority to AU27875/71A priority Critical patent/AU430888B2/en
Application granted granted Critical
Publication of AU430888B2 publication Critical patent/AU430888B2/en
Publication of AU2787571A publication Critical patent/AU2787571A/en
Expired legal-status Critical Current

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
    • 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)
AU27875/71A 1971-04-20 1971-04-20 Pressure sensitive copying paper Expired AU430888B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU27875/71A AU430888B2 (en) 1971-04-20 1971-04-20 Pressure sensitive copying paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU27875/71A AU430888B2 (en) 1971-04-20 1971-04-20 Pressure sensitive copying paper

Publications (2)

Publication Number Publication Date
AU430888B2 true AU430888B2 (en) 1972-11-20
AU2787571A AU2787571A (en) 1972-11-30

Family

ID=3716170

Family Applications (1)

Application Number Title Priority Date Filing Date
AU27875/71A Expired AU430888B2 (en) 1971-04-20 1971-04-20 Pressure sensitive copying paper

Country Status (1)

Country Link
AU (1) AU430888B2 (en)

Also Published As

Publication number Publication date
AU2787571A (en) 1972-11-30

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