EP0284932A3 - Colour-developing substances - Google Patents

Colour-developing substances Download PDF

Info

Publication number
EP0284932A3
EP0284932A3 EP88104428A EP88104428A EP0284932A3 EP 0284932 A3 EP0284932 A3 EP 0284932A3 EP 88104428 A EP88104428 A EP 88104428A EP 88104428 A EP88104428 A EP 88104428A EP 0284932 A3 EP0284932 A3 EP 0284932A3
Authority
EP
European Patent Office
Prior art keywords
colour
developing substances
substances
developing
additives
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.)
Granted
Application number
EP88104428A
Other languages
German (de)
Other versions
EP0284932A2 (en
EP0284932B1 (en
Inventor
Robert Dr. Zellerhoff
Arnold Dr. Alscher
Hans-Juergen Zick
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.)
Verkaufsgesellschaft fur Teererzeugnisse (Vft) MbH
Original Assignee
Verkaufsgesellschaft fur Teererzeugnisse (Vft) MbH
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 Verkaufsgesellschaft fur Teererzeugnisse (Vft) MbH filed Critical Verkaufsgesellschaft fur Teererzeugnisse (Vft) MbH
Publication of EP0284932A2 publication Critical patent/EP0284932A2/en
Publication of EP0284932A3 publication Critical patent/EP0284932A3/en
Application granted granted Critical
Publication of EP0284932B1 publication Critical patent/EP0284932B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Liquid Developers In Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)

Abstract

The invention relates to colour developing substances for colour reaction systems, consisting of colour developer and optionally solvents as well as further fillers and additives. These substances contain, as colour developers, aromatic hydrocarbon resins in acid or salt form modified with aromatic carboxylic acids.
EP88104428A 1987-03-31 1988-03-19 Colour-developing substances Expired - Lifetime EP0284932B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0077687A AT399126B (en) 1987-03-31 1987-03-31 COLOR DEVELOPER DIMENSIONS FOR COLOR REACTION SYSTEMS
AT776/87 1987-03-31

Publications (3)

Publication Number Publication Date
EP0284932A2 EP0284932A2 (en) 1988-10-05
EP0284932A3 true EP0284932A3 (en) 1989-06-07
EP0284932B1 EP0284932B1 (en) 1992-05-06

Family

ID=3499458

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88104428A Expired - Lifetime EP0284932B1 (en) 1987-03-31 1988-03-19 Colour-developing substances

Country Status (5)

Country Link
EP (1) EP0284932B1 (en)
AT (2) AT399126B (en)
DE (1) DE3870695D1 (en)
ES (1) ES2004322T3 (en)
GR (2) GR890300003T1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2543598A1 (en) * 1974-09-30 1976-04-22 Fuji Photo Film Co Ltd RECORDING MATERIAL
DE2653822A1 (en) * 1975-11-28 1977-06-08 Sumitomo Naugatuck COLOR DEVELOPMENT FILM FOR PRESSURE SENSITIVE RECORDING SYSTEMS
DE2735093A1 (en) * 1976-08-12 1978-02-16 Asahi Dow Ltd COLOR DEVELOPING SHEETS FOR PRESSURE SENSITIVE OR HEAT SENSITIVE COPY PAPERS
DE3324817A1 (en) * 1983-07-09 1985-01-17 Rütgerswerke AG, 6000 Frankfurt ACID-MODIFIED, AROMATIC HYDROCARBON RESINS AND METHOD FOR THE PRODUCTION THEREOF
EP0186354A2 (en) * 1984-12-25 1986-07-02 Appleton Papers Inc. Pressure-sensitive color-developer material

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1330983A (en) * 1982-03-03 1983-10-18 Mitsubishi Paper Mills Ltd. Color-developing sheet for use in no-carbon recording system
DE3246539A1 (en) * 1982-12-16 1984-06-20 Rütgerswerke AG, 6000 Frankfurt DEVELOPER RESINS FOR LEUCOPIGMENT
DE3337296A1 (en) * 1983-10-13 1985-04-25 Bayer Ag, 5090 Leverkusen THERMOREACTIVE RECORDING MATERIAL, ITS PRODUCTION AND THE USE OF ACID-MODIFIED POLYMERISATS AS ACCEPTORS IN THIS RECORDING MATERIAL

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2543598A1 (en) * 1974-09-30 1976-04-22 Fuji Photo Film Co Ltd RECORDING MATERIAL
DE2653822A1 (en) * 1975-11-28 1977-06-08 Sumitomo Naugatuck COLOR DEVELOPMENT FILM FOR PRESSURE SENSITIVE RECORDING SYSTEMS
DE2735093A1 (en) * 1976-08-12 1978-02-16 Asahi Dow Ltd COLOR DEVELOPING SHEETS FOR PRESSURE SENSITIVE OR HEAT SENSITIVE COPY PAPERS
DE3324817A1 (en) * 1983-07-09 1985-01-17 Rütgerswerke AG, 6000 Frankfurt ACID-MODIFIED, AROMATIC HYDROCARBON RESINS AND METHOD FOR THE PRODUCTION THEREOF
EP0186354A2 (en) * 1984-12-25 1986-07-02 Appleton Papers Inc. Pressure-sensitive color-developer material

Also Published As

Publication number Publication date
ATA77687A (en) 1994-08-15
AT399126B (en) 1995-03-27
ES2004322T3 (en) 1993-01-01
EP0284932A2 (en) 1988-10-05
DE3870695D1 (en) 1992-06-11
EP0284932B1 (en) 1992-05-06
ES2004322A4 (en) 1989-01-01
ATE75667T1 (en) 1992-05-15
GR3005110T3 (en) 1993-05-24
GR890300003T1 (en) 1989-03-08

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