DE3378200D1 - Clay mineral-type color developer composition for pressure-sensitive recording sheets - Google Patents

Clay mineral-type color developer composition for pressure-sensitive recording sheets

Info

Publication number
DE3378200D1
DE3378200D1 DE8383307430T DE3378200T DE3378200D1 DE 3378200 D1 DE3378200 D1 DE 3378200D1 DE 8383307430 T DE8383307430 T DE 8383307430T DE 3378200 T DE3378200 T DE 3378200T DE 3378200 D1 DE3378200 D1 DE 3378200D1
Authority
DE
Germany
Prior art keywords
clay mineral
compsn
pref
pressure
colour
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
DE8383307430T
Other languages
English (en)
Inventor
Koichi Usui
Masahide Ogawa
Teiji Sato
Yasuo Mizoguchi
Nobuyuki Yamada
Noriyuki Takahashi
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.)
Mizusawa Industrial Chemicals Ltd
Original Assignee
Mizusawa Industrial Chemicals 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8191357&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3378200(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mizusawa Industrial Chemicals Ltd filed Critical Mizusawa Industrial Chemicals Ltd
Application granted granted Critical
Publication of DE3378200D1 publication Critical patent/DE3378200D1/de
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)
  • Heat Sensitive Colour Forming Recording (AREA)
DE8383307430T 1983-12-06 1983-12-06 Clay mineral-type color developer composition for pressure-sensitive recording sheets Expired DE3378200D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19830307430 EP0144472B2 (de) 1983-12-06 1983-12-06 Ton als Farbentwicklerzusammensetzung für druckempfindliche Kopierblätter

Publications (1)

Publication Number Publication Date
DE3378200D1 true DE3378200D1 (en) 1988-11-17

Family

ID=8191357

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383307430T Expired DE3378200D1 (en) 1983-12-06 1983-12-06 Clay mineral-type color developer composition for pressure-sensitive recording sheets

Country Status (2)

Country Link
EP (1) EP0144472B2 (de)
DE (1) DE3378200D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3054153B2 (ja) * 1989-02-28 2000-06-19 水澤化学工業株式会社 感圧複写紙用顕色剤
GB9313790D0 (en) * 1993-07-03 1993-08-18 Wiggins Teape Group The Ltd Pressure-sensitive copying material
DE4327158A1 (de) * 1993-08-12 1995-02-16 Sued Chemie Ag Verfahren zur Herstellung von neutralen bis alkalischen Farbentwicklerpigmenten
GB9414637D0 (en) * 1994-07-20 1994-09-07 Wiggins Teape Group The Limite Presure-sensitive copying material
EP1982440B1 (de) * 2006-01-27 2013-05-08 QUALCOMM Incorporated Messung der verstärkung eines repeaters in offener schleife
CN101417563B (zh) * 2008-10-21 2010-09-22 莫文生 一种环保型无碳复写纸显色剂的生产方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5637189A (en) * 1979-09-05 1981-04-10 Oji Paper Co Ltd Tinting paper for pressure sensitive recording
JPS5715996A (en) * 1980-07-03 1982-01-27 Mizusawa Ind Chem Ltd Novel clay mineral based color former for heat-sensitive copying paper and production thereof

Also Published As

Publication number Publication date
EP0144472A1 (de) 1985-06-19
EP0144472B2 (de) 1992-06-24
EP0144472B1 (de) 1988-10-12

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee