CH550671A - PRESSURE SENSITIVE RECORDING MATERIAL. - Google Patents

PRESSURE SENSITIVE RECORDING MATERIAL.

Info

Publication number
CH550671A
CH550671A CH921171A CH921171A CH550671A CH 550671 A CH550671 A CH 550671A CH 921171 A CH921171 A CH 921171A CH 921171 A CH921171 A CH 921171A CH 550671 A CH550671 A CH 550671A
Authority
CH
Switzerland
Prior art keywords
recording material
pressure sensitive
sensitive recording
pressure
sensitive
Prior art date
Application number
CH921171A
Other languages
German (de)
Original Assignee
Ncr Co
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 Ncr Co filed Critical Ncr Co
Publication of CH550671A publication Critical patent/CH550671A/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
    • 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
    • B41M5/1363—Leuco dyes forming a complex with a metal cation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
    • C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Color Printing (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
CH921171A 1970-06-24 1971-06-24 PRESSURE SENSITIVE RECORDING MATERIAL. CH550671A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4955770A 1970-06-24 1970-06-24
US9417070A 1970-12-01 1970-12-01
US13083171A 1971-04-02 1971-04-02

Publications (1)

Publication Number Publication Date
CH550671A true CH550671A (en) 1974-06-28

Family

ID=27367559

Family Applications (1)

Application Number Title Priority Date Filing Date
CH921171A CH550671A (en) 1970-06-24 1971-06-24 PRESSURE SENSITIVE RECORDING MATERIAL.

Country Status (10)

Country Link
JP (1) JPS546926B1 (en)
BE (1) BE768890A (en)
CA (1) CA947500A (en)
CH (1) CH550671A (en)
DK (1) DK126625B (en)
FR (1) FR2098004A5 (en)
GB (1) GB1321008A (en)
NL (1) NL164802C (en)
NO (1) NO133024C (en)
SU (1) SU505385A3 (en)

Also Published As

Publication number Publication date
CA947500A (en) 1974-05-21
NO133024C (en) 1976-02-25
NL164802C (en) 1981-02-16
JPS546926B1 (en) 1979-04-02
FR2098004A5 (en) 1972-03-03
NL164802B (en) 1980-09-15
DK126625B (en) 1973-08-06
NO133024B (en) 1975-11-17
DE2130456B2 (en) 1973-06-14
BE768890A (en) 1971-11-03
DE2130456A1 (en) 1971-12-30
GB1321008A (en) 1973-06-20
SU505385A3 (en) 1976-02-28
NL7108741A (en) 1971-12-28

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Legal Events

Date Code Title Description
PL Patent ceased