AT296343B - Color reaction paper with a coating containing the color reaction agent - Google Patents

Color reaction paper with a coating containing the color reaction agent

Info

Publication number
AT296343B
AT296343B AT1115169A AT1115169A AT296343B AT 296343 B AT296343 B AT 296343B AT 1115169 A AT1115169 A AT 1115169A AT 1115169 A AT1115169 A AT 1115169A AT 296343 B AT296343 B AT 296343B
Authority
AT
Austria
Prior art keywords
color reaction
coating containing
paper
agent
reaction agent
Prior art date
Application number
AT1115169A
Other languages
German (de)
Inventor
Ernst Kunkel
Hubertus Greschenz
Original Assignee
Pelikan Werke Wagner Guenther
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 Pelikan Werke Wagner Guenther filed Critical Pelikan Werke Wagner Guenther
Application granted granted Critical
Publication of AT296343B publication Critical patent/AT296343B/en

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
    • B41M5/15—Spiro-pyrans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
AT1115169A 1969-01-03 1969-11-28 Color reaction paper with a coating containing the color reaction agent AT296343B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691900178 DE1900178A1 (en) 1969-01-03 1969-01-03 Color reaction paper

Publications (1)

Publication Number Publication Date
AT296343B true AT296343B (en) 1972-02-10

Family

ID=5721674

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1115169A AT296343B (en) 1969-01-03 1969-11-28 Color reaction paper with a coating containing the color reaction agent

Country Status (7)

Country Link
AT (1) AT296343B (en)
BE (1) BE742968A (en)
CH (1) CH548288A (en)
DE (1) DE1900178A1 (en)
FR (1) FR2030794A5 (en)
GB (1) GB1288255A (en)
NL (1) NL6918711A (en)

Also Published As

Publication number Publication date
CH548288A (en) 1974-04-30
NL6918711A (en) 1970-07-07
BE742968A (en) 1970-05-14
GB1288255A (en) 1972-09-06
DE1900178A1 (en) 1970-07-30
FR2030794A5 (en) 1970-11-13

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee