Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
  • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
  • C07D491/04—Ortho-condensed systems
• • 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
  • B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
  • C09B11/00—Diaryl- or thriarylmethane dyes
  • C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
  • C09B11/26—Triarylmethane dyes in which at least one of the aromatic nuclei is heterocyclic

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Color Printing (AREA)
• Heat Sensitive Colour Forming Recording (AREA)
• Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
• Polyurethanes Or Polyureas (AREA)

Applications Claiming Priority (8)

Publications (3)

Family

ID=27484990

Family Applications (1)

Country Status (15)

Families Citing this family (7)

Family Cites Families (6)

• 1979
  • 1979-12-17 DK DK536979A patent/DK536979A/da not_active Application Discontinuation
  • 1979-12-18 NZ NZ192452A patent/NZ192452A/xx unknown
  • 1979-12-18 NO NO794130A patent/NO794130L/no unknown
  • 1979-12-20 GR GR60815A patent/GR67729B/el unknown
  • 1979-12-20 SE SE7910525A patent/SE433224B/sv not_active IP Right Cessation
  • 1979-12-21 FI FI794022A patent/FI73174C/fi not_active IP Right Cessation
  • 1979-12-21 AU AU54148/79A patent/AU539006B2/en not_active Ceased
  • 1979-12-27 LU LU82043A patent/LU82043A1/fr unknown
  • 1979-12-27 DD DD79218166A patent/DD151515A5/de unknown
  • 1979-12-27 YU YU03201/79A patent/YU320179A/xx unknown
  • 1979-12-28 BR BR7908584A patent/BR7908584A/pt unknown
  • 1979-12-28 PT PT70647A patent/PT70647A/pt unknown
  • 1979-12-28 PL PL1979220840A patent/PL124339B1/pl unknown
  • 1979-12-28 FR FR7932034A patent/FR2445333A2/fr active Granted
  • 1979-12-28 ES ES487349A patent/ES487349A0/es active Granted

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