ZA744607B - Pressure sensitive duplicate writing material - Google Patents

Pressure sensitive duplicate writing material

Info

Publication number
ZA744607B
ZA744607B ZA00744607A ZA744607A ZA744607B ZA 744607 B ZA744607 B ZA 744607B ZA 00744607 A ZA00744607 A ZA 00744607A ZA 744607 A ZA744607 A ZA 744607A ZA 744607 B ZA744607 B ZA 744607B
Authority
ZA
South Africa
Prior art keywords
pressure sensitive
writing material
duplicate writing
sensitive duplicate
pressure
Prior art date
Application number
ZA00744607A
Other languages
English (en)
Inventor
M Cespon
Original Assignee
Kores Holding Zug Ag
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 Kores Holding Zug Ag filed Critical Kores Holding Zug Ag
Publication of ZA744607B publication Critical patent/ZA744607B/xx

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
    • B41M5/155—Colour-developing components, e.g. acidic compounds; Additives or binders therefor; Layers containing such colour-developing components, additives or binders
    • B41M5/1555—Inorganic mineral developers, e.g. clays

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
ZA00744607A 1973-07-27 1974-07-18 Pressure sensitive duplicate writing material ZA744607B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT665673A AT329595B (de) 1973-07-27 1973-07-27 Druckempfindliches kopierpapier

Publications (1)

Publication Number Publication Date
ZA744607B true ZA744607B (en) 1975-10-29

Family

ID=3588500

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00744607A ZA744607B (en) 1973-07-27 1974-07-18 Pressure sensitive duplicate writing material

Country Status (3)

Country Link
AT (1) AT329595B (fr)
BE (1) BE815791A (fr)
ZA (1) ZA744607B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT372909B (de) * 1979-03-20 1983-11-25 Manuel Ing Cespon Farbentwicklermassen zur herstellung eines druck- empfindlichen aufzeichungsmaterials mit besonders starker farbbildung und lichtbestaendigkeit

Also Published As

Publication number Publication date
BE815791A (fr) 1974-09-16
ATA665673A (de) 1975-08-15
AT329595B (de) 1976-05-25

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