BE867519A - PRESSURE SENSITIVE MATERIAL FOR RECORDING OR COPYING - Google Patents

PRESSURE SENSITIVE MATERIAL FOR RECORDING OR COPYING

Info

Publication number
BE867519A
BE867519A BE188064A BE188064A BE867519A BE 867519 A BE867519 A BE 867519A BE 188064 A BE188064 A BE 188064A BE 188064 A BE188064 A BE 188064A BE 867519 A BE867519 A BE 867519A
Authority
BE
Belgium
Prior art keywords
copying
recording
pressure sensitive
sensitive material
pressure
Prior art date
Application number
BE188064A
Other languages
French (fr)
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Publication of BE867519A publication Critical patent/BE867519A/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
    • B41M5/155—Colour-developing components, e.g. acidic compounds; Additives or binders therefor; Layers containing such colour-developing components, additives or binders

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)
BE188064A 1977-05-28 1978-05-26 PRESSURE SENSITIVE MATERIAL FOR RECORDING OR COPYING BE867519A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772724295 DE2724295A1 (en) 1977-05-28 1977-05-28 Thermosensitive material for recording or copying sheets - contains electronegatively substd. mono- or poly:aldehyde or its reaction prod. with hydroxy cpd. as developer

Publications (1)

Publication Number Publication Date
BE867519A true BE867519A (en) 1978-11-27

Family

ID=6010170

Family Applications (2)

Application Number Title Priority Date Filing Date
BE188064A BE867519A (en) 1977-05-28 1978-05-26 PRESSURE SENSITIVE MATERIAL FOR RECORDING OR COPYING
BE188063A BE867518A (en) 1977-05-28 1978-05-26 THERMOSENSITIVE MATERIAL FOR RECORDING OR COPYING

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE188063A BE867518A (en) 1977-05-28 1978-05-26 THERMOSENSITIVE MATERIAL FOR RECORDING OR COPYING

Country Status (2)

Country Link
BE (2) BE867519A (en)
DE (1) DE2724295A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0012112A1 (en) * 1978-11-23 1980-06-11 Ciba-Geigy Ag Pressure-sensitive or heat-sensitive recording material

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3823022A (en) * 1970-03-16 1974-07-09 Dick Co Ab Method for making copy sheets with a concealed image and visual development of same
JPS527372B2 (en) * 1972-07-14 1977-03-02

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0012112A1 (en) * 1978-11-23 1980-06-11 Ciba-Geigy Ag Pressure-sensitive or heat-sensitive recording material

Also Published As

Publication number Publication date
DE2724295A1 (en) 1978-12-14
BE867518A (en) 1978-11-27

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CIBA-GEIGY A.G.

Effective date: 19840526