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ES397920A1 - Color developer sheet for pressure sensitive recording paper - Google Patents

Color developer sheet for pressure sensitive recording paper

Info

Publication number
ES397920A1
ES397920A1 ES397920A ES397920A ES397920A1 ES 397920 A1 ES397920 A1 ES 397920A1 ES 397920 A ES397920 A ES 397920A ES 397920 A ES397920 A ES 397920A ES 397920 A1 ES397920 A1 ES 397920A1
Authority
ES
Spain
Prior art keywords
color developer
recording paper
pressure sensitive
sensitive recording
developer sheet
Prior art date
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
ES397920A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of ES397920A1 publication Critical patent/ES397920A1/en
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
    • 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)

Abstract

Improvements in obtaining color developer sheets for pressure sensitive recording paper, characterized in that the sheet comprises a color developer layer, containing a metallic compound of a phenol compound, said phenol compound having a pKa below 8 . (Machine-translation by Google Translate, not legally binding)
ES397920A 1970-12-26 1971-12-13 Color developer sheet for pressure sensitive recording paper Expired ES397920A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45118978A JPS521329B1 (en) 1970-12-26 1970-12-26

Publications (1)

Publication Number Publication Date
ES397920A1 true ES397920A1 (en) 1974-06-16

Family

ID=14749975

Family Applications (1)

Application Number Title Priority Date Filing Date
ES397920A Expired ES397920A1 (en) 1970-12-26 1971-12-13 Color developer sheet for pressure sensitive recording paper

Country Status (8)

Country Link
US (1) US3834929A (en)
JP (1) JPS521329B1 (en)
AU (1) AU465050B2 (en)
CA (1) CA948496A (en)
DE (1) DE2163905A1 (en)
ES (1) ES397920A1 (en)
GB (1) GB1350011A (en)
IE (1) IE36855B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5457244U (en) * 1977-09-29 1979-04-20
GB2032484B (en) * 1978-10-11 1983-01-19 Mitsui Toatsu Chemicals Colour-developing sheet for pressure-sensitive recording sheets
AT372909B (en) * 1979-03-20 1983-11-25 Manuel Ing Cespon COLOR DEVELOPER MATERIALS FOR THE PRODUCTION OF A PRESSURE-SENSITIVE RECORDING MATERIAL WITH PARTICULARLY STRONG COLOR FORMATION AND LIGHT-RESISTANCE
JPS6025277B2 (en) * 1979-06-18 1985-06-17 三井東圧化学株式会社 heat sensitive recording sheet
CH655906A5 (en) * 1981-06-15 1986-05-30 Ciba Geigy Ag PRESSURE SENSITIVE OR HEAT SENSITIVE RECORDING MATERIAL.
CH656580A5 (en) * 1982-05-17 1986-07-15 Ciba Geigy Ag PRESSURE SENSITIVE OR HEAT SENSITIVE RECORDING MATERIAL.
US4536779A (en) * 1982-12-10 1985-08-20 Ciba-Geigy Corporation Heat-sensitive recording material
US4556687A (en) * 1984-03-19 1985-12-03 The Standard Register Company Color developer for pressure-sensitive recording papers
US4614757A (en) * 1984-03-19 1986-09-30 The Standard Register Company Color developer for pressure-sensitive recording papers

Also Published As

Publication number Publication date
US3834929A (en) 1974-09-10
IE36855B1 (en) 1977-03-16
JPS521329B1 (en) 1977-01-13
CA948496A (en) 1974-06-04
DE2163905A1 (en) 1972-07-27
AU3660671A (en) 1973-06-14
IE36855L (en) 1972-06-26
AU465050B2 (en) 1975-09-18
GB1350011A (en) 1974-04-18

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