ES384753A1 - Clay-coated paper for pressure-sensitive copying paper systems - Google Patents

Clay-coated paper for pressure-sensitive copying paper systems

Info

Publication number
ES384753A1
ES384753A1 ES384753A ES384753A ES384753A1 ES 384753 A1 ES384753 A1 ES 384753A1 ES 384753 A ES384753 A ES 384753A ES 384753 A ES384753 A ES 384753A ES 384753 A1 ES384753 A1 ES 384753A1
Authority
ES
Spain
Prior art keywords
clay
paper
pressure
sensitive copying
systems
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
ES384753A
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 ES384753A1 publication Critical patent/ES384753A1/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
    • 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)
  • Color Printing (AREA)
  • Paper (AREA)

Abstract

Procedure for preparing a clay coated paper for pressure sensitive copier paper, characterized by comprising the step of adding a high molecular value anionic electrolyte to a sludge containing an electron-accepting adsorbent clay and a binder. (Machine-translation by Google Translate, not legally binding)
ES384753A 1969-10-22 1970-10-21 Clay-coated paper for pressure-sensitive copying paper systems Expired ES384753A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8453769 1969-10-22

Publications (1)

Publication Number Publication Date
ES384753A1 true ES384753A1 (en) 1973-03-16

Family

ID=13833377

Family Applications (1)

Application Number Title Priority Date Filing Date
ES384753A Expired ES384753A1 (en) 1969-10-22 1970-10-21 Clay-coated paper for pressure-sensitive copying paper systems

Country Status (7)

Country Link
CA (1) CA980636A (en)
DE (1) DE2051933B2 (en)
DK (1) DK129510B (en)
ES (1) ES384753A1 (en)
FR (1) FR2066306A5 (en)
GB (1) GB1326572A (en)
IE (1) IE35502B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1524742A (en) * 1976-01-19 1978-09-13 Wiggins Teape Ltd Pressure-sensitive copying paper
DE2731418C3 (en) * 1977-07-12 1987-10-22 Feldmühle AG, 4000 Düsseldorf Colour-reactive recording material and process for its preparation
ZA802692B (en) * 1979-05-22 1981-05-27 Wiggins Teape Group Ltd Manufacture of colour developing sheets

Also Published As

Publication number Publication date
IE35502L (en) 1971-04-22
DE2051933A1 (en) 1971-05-13
CA980636A (en) 1975-12-30
IE35502B1 (en) 1976-03-03
DE2051933B2 (en) 1973-11-22
DK129510B (en) 1974-10-21
FR2066306A5 (en) 1971-08-06
GB1326572A (en) 1973-08-15

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19921124