FR1593459A - - Google Patents

Info

Publication number
FR1593459A
FR1593459A FR1593459DA FR1593459A FR 1593459 A FR1593459 A FR 1593459A FR 1593459D A FR1593459D A FR 1593459DA FR 1593459 A FR1593459 A FR 1593459A
Authority
FR
France
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1593459A publication Critical patent/FR1593459A/fr
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
    • 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
    • B41M5/15—Spiro-pyrans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
  • Paints Or Removers (AREA)
FR1593459D 1968-06-22 1968-11-27 Expired FR1593459A (un)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19681761678 DE1761678A1 (de) 1968-06-22 1968-06-22 Schreibsatz aus Farbrenkikons-Papieren
NL6910550A NL6910550A (un) 1968-06-22 1969-07-09

Publications (1)

Publication Number Publication Date
FR1593459A true FR1593459A (un) 1970-05-25

Family

ID=25755281

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1593459D Expired FR1593459A (un) 1968-06-22 1968-11-27

Country Status (7)

Country Link
BE (1) BE724978A (un)
CH (1) CH490972A (un)
DE (1) DE1761678A1 (un)
FR (1) FR1593459A (un)
GB (1) GB1210996A (un)
LU (1) LU57270A1 (un)
NL (1) NL6910550A (un)

Also Published As

Publication number Publication date
DE1761678A1 (de) 1971-08-05
GB1210996A (en) 1970-11-04
CH490972A (de) 1970-05-31
LU57270A1 (un) 1970-05-13
NL6910550A (un) 1971-01-12
BE724978A (un) 1969-06-05

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Legal Events

Date Code Title Description
ST Notification of lapse