GB2068994A - Chromogenic quinazolones - Google Patents

Chromogenic quinazolones Download PDF

Info

Publication number
GB2068994A
GB2068994A GB8103163A GB8103163A GB2068994A GB 2068994 A GB2068994 A GB 2068994A GB 8103163 A GB8103163 A GB 8103163A GB 8103163 A GB8103163 A GB 8103163A GB 2068994 A GB2068994 A GB 2068994A
Authority
GB
United Kingdom
Prior art keywords
formula
substituted
halogen
benzyl
quinazolone
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Withdrawn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
GB8103163A
Other languages
English (en)
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of GB2068994A publication Critical patent/GB2068994A/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Withdrawn legal-status Critical Current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
    • B41M5/136—Organic colour formers, e.g. leuco dyes
    • 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
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/323—Organic colour formers, e.g. leuco dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Color Printing (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
GB8103163A 1980-01-31 1981-01-29 Chromogenic quinazolones Withdrawn GB2068994A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH78180 1980-01-31

Publications (1)

Publication Number Publication Date
GB2068994A true GB2068994A (en) 1981-08-19

Family

ID=4195031

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8103163A Withdrawn GB2068994A (en) 1980-01-31 1981-01-29 Chromogenic quinazolones

Country Status (2)

Country Link
DE (1) DE3102760A1 (de)
GB (1) GB2068994A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143542A (en) * 1983-06-28 1985-02-13 Ciba Geigy Ag Chromogenic quinazolones
EP0145225A2 (de) * 1983-11-03 1985-06-19 The Wiggins Teape Group Limited Aufzeichnungsmaterial
US4891301A (en) * 1987-05-21 1990-01-02 Basf Aktiengesellschaft Photopolymerizable recording materials, photoresist layers and lithographic printing plates based theron, and novel 4-quinazolone compounds

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143542A (en) * 1983-06-28 1985-02-13 Ciba Geigy Ag Chromogenic quinazolones
EP0145225A2 (de) * 1983-11-03 1985-06-19 The Wiggins Teape Group Limited Aufzeichnungsmaterial
EP0145225A3 (en) * 1983-11-03 1986-08-27 The Wiggins Teape Group Limited Record material
US4891301A (en) * 1987-05-21 1990-01-02 Basf Aktiengesellschaft Photopolymerizable recording materials, photoresist layers and lithographic printing plates based theron, and novel 4-quinazolone compounds

Also Published As

Publication number Publication date
DE3102760A1 (de) 1981-11-19

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)