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
  • B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
• • 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
  • B41M5/327—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
  • C07D405/14—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D407/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00
  • C07D407/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings
  • C07D407/06—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (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)
• Agricultural Chemicals And Associated Chemicals (AREA)
• Saccharide Compounds (AREA)
• Nitrogen Condensed Heterocyclic Rings (AREA)
• Plural Heterocyclic Compounds (AREA)
• Coloring (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4257274

Family Applications (1)

Country Status (8)

Families Citing this family (3)

Family Cites Families (1)

• 1990
  • 1990-09-18 EP EP90810714A patent/EP0420808B1/fr not_active Expired - Lifetime
  • 1990-09-18 DE DE59008581T patent/DE59008581D1/de not_active Expired - Fee Related
  • 1990-09-18 ES ES90810714T patent/ES2069054T3/es not_active Expired - Lifetime
  • 1990-09-18 AT AT90810714T patent/ATE119159T1/de not_active IP Right Cessation
  • 1990-09-20 US US07/585,745 patent/US5097044A/en not_active Expired - Lifetime
  • 1990-09-26 AU AU63233/90A patent/AU633355B2/en not_active Ceased
  • 1990-09-26 ZA ZA907684A patent/ZA907684B/xx unknown
  • 1990-09-27 JP JP2255442A patent/JP2934005B2/ja not_active Expired - Fee Related

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