EP0419659A4 - Color developer for pressure-sensitive recording medium, aqueous dispersion of color developer, and process for its preparation - Google Patents

Color developer for pressure-sensitive recording medium, aqueous dispersion of color developer, and process for its preparation

Info

Publication number
EP0419659A4
EP0419659A4 EP19890907826 EP89907826A EP0419659A4 EP 0419659 A4 EP0419659 A4 EP 0419659A4 EP 19890907826 EP19890907826 EP 19890907826 EP 89907826 A EP89907826 A EP 89907826A EP 0419659 A4 EP0419659 A4 EP 0419659A4
Authority
EP
European Patent Office
Prior art keywords
color developer
preparation
recording medium
pressure
aqueous dispersion
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.)
Withdrawn
Application number
EP19890907826
Other languages
English (en)
Other versions
EP0419659A1 (en
Inventor
Yoshihiro Kodama
Tsukasa Ishimoto
Satoru Yoshida
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.)
Arakawa Chemical Industries Ltd
Original Assignee
Arakawa Chemical Industries 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 Arakawa Chemical Industries Ltd filed Critical Arakawa Chemical Industries Ltd
Publication of EP0419659A1 publication Critical patent/EP0419659A1/en
Publication of EP0419659A4 publication Critical patent/EP0419659A4/en
Withdrawn legal-status Critical Current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)
EP19890907826 1989-03-29 1989-06-30 Color developer for pressure-sensitive recording medium, aqueous dispersion of color developer, and process for its preparation Withdrawn EP0419659A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP78986/89 1989-03-29
JP1078986A JPH02255375A (ja) 1989-03-29 1989-03-29 感圧記録体用顕色剤、顕色剤の水性分散液およびその製造法

Publications (2)

Publication Number Publication Date
EP0419659A1 EP0419659A1 (en) 1991-04-03
EP0419659A4 true EP0419659A4 (en) 1991-07-03

Family

ID=13677217

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890907826 Withdrawn EP0419659A4 (en) 1989-03-29 1989-06-30 Color developer for pressure-sensitive recording medium, aqueous dispersion of color developer, and process for its preparation

Country Status (4)

Country Link
EP (1) EP0419659A4 (ja)
JP (1) JPH02255375A (ja)
AU (1) AU615319B2 (ja)
WO (1) WO1990011190A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005040242A1 (fr) * 2003-10-29 2005-05-06 Zonglai Liu Composition de resine a developpant de couleur, emulsion et processus de preparation de celle-ci

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0218810A2 (de) * 1985-07-19 1987-04-22 Jujo Paper Co., Ltd. Farbentwicklungsmittel für druckempfindliches Aufzeichnungsblatt und Farbentwicklungsblatt dafür

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU560131B2 (en) * 1977-12-02 1987-04-02 Barry, Graham Charles Invisible ink structure
AU539032B2 (en) * 1978-12-29 1984-09-06 Appleton Papers Inc. Furo(3,4-b) pyridin-5-(7)-one derivatives
AU521189B2 (en) * 1979-11-22 1982-03-18 Mitsubishi Paper Mills Ltd. Colour developing sheet for no-carbon copying process
JPS56139991A (en) * 1980-04-01 1981-10-31 Mitsubishi Paper Mills Ltd Developer sheet for no-carbon duplicating paper
JPS58122891A (ja) * 1982-01-14 1983-07-21 Takahashi Ink Kagaku Kogyosho:Kk 顕色インキ
JPS59174384A (ja) * 1983-03-24 1984-10-02 Mitsubishi Paper Mills Ltd 画像記録材料
JPS63176176A (ja) * 1987-01-16 1988-07-20 Jujo Paper Co Ltd 感圧複写紙用顕色シ−ト
JPH0520807A (ja) * 1991-07-12 1993-01-29 Matsushita Electric Ind Co Ltd フロツピーデイスク装置
JPH0799968B2 (ja) * 1991-12-24 1995-11-01 神奈川県 培地挿入式自動播種装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0218810A2 (de) * 1985-07-19 1987-04-22 Jujo Paper Co., Ltd. Farbentwicklungsmittel für druckempfindliches Aufzeichnungsblatt und Farbentwicklungsblatt dafür

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9011190A1 *

Also Published As

Publication number Publication date
WO1990011190A1 (en) 1990-10-04
AU615319B2 (en) 1991-09-26
EP0419659A1 (en) 1991-04-03
AU3855289A (en) 1990-10-22
JPH02255375A (ja) 1990-10-16

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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