JPS5220113A - Recording materials - Google Patents

Recording materials

Info

Publication number
JPS5220113A
JPS5220113A JP50094950A JP9495075A JPS5220113A JP S5220113 A JPS5220113 A JP S5220113A JP 50094950 A JP50094950 A JP 50094950A JP 9495075 A JP9495075 A JP 9495075A JP S5220113 A JPS5220113 A JP S5220113A
Authority
JP
Japan
Prior art keywords
recording materials
recording
materials
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
JP50094950A
Other languages
English (en)
Japanese (ja)
Other versions
JPS544283B2 (enrdf_load_stackoverflow
Inventor
Seiji Ikegami
Kichihiro Hatano
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.)
Yamamoto Chemicals Inc
Original Assignee
Yamamoto Chemicals Inc
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 Yamamoto Chemicals Inc filed Critical Yamamoto Chemicals Inc
Priority to JP50094950A priority Critical patent/JPS5220113A/ja
Priority to GB3220176A priority patent/GB1529076A/en
Priority to DE19762634987 priority patent/DE2634987A1/de
Priority to BE169620A priority patent/BE844962A/xx
Publication of JPS5220113A publication Critical patent/JPS5220113A/ja
Priority to US05/853,781 priority patent/US4200751A/en
Publication of JPS544283B2 publication Critical patent/JPS544283B2/ja
Granted 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Color Printing (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
JP50094950A 1975-08-06 1975-08-06 Recording materials Granted JPS5220113A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP50094950A JPS5220113A (en) 1975-08-06 1975-08-06 Recording materials
GB3220176A GB1529076A (en) 1975-08-06 1976-08-03 Chromogenic compounds
DE19762634987 DE2634987A1 (de) 1975-08-06 1976-08-04 Chromogene verbindungen
BE169620A BE844962A (fr) 1975-08-06 1976-08-06 Nouveaux composes lactoniques chromogenes
US05/853,781 US4200751A (en) 1975-08-06 1977-11-21 Lactones of quinoline carboxylic acids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50094950A JPS5220113A (en) 1975-08-06 1975-08-06 Recording materials

Publications (2)

Publication Number Publication Date
JPS5220113A true JPS5220113A (en) 1977-02-15
JPS544283B2 JPS544283B2 (enrdf_load_stackoverflow) 1979-03-05

Family

ID=14124211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50094950A Granted JPS5220113A (en) 1975-08-06 1975-08-06 Recording materials

Country Status (4)

Country Link
JP (1) JPS5220113A (enrdf_load_stackoverflow)
BE (1) BE844962A (enrdf_load_stackoverflow)
DE (1) DE2634987A1 (enrdf_load_stackoverflow)
GB (1) GB1529076A (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791898A (fr) * 1971-11-26 1973-05-24 Ciba Geigy Ag Procede de preparation de substances chromogenes a partir d'indoles et d'anhydrides d'acides dicarboxyliques vicinaux, aromatiques ou heteroaromatiques, nouveaux chromogenes de cette categorie et leur emploi
DE2259409C2 (de) * 1971-12-06 1985-10-10 Appleton Papers Inc., Appleton, Wis. Chromogene Furo[3,4-b]pyridin-7-one und -pyrazin-5-one
JPS5124362B2 (enrdf_load_stackoverflow) * 1973-03-15 1976-07-23
JPS585210B2 (ja) * 1973-07-24 1983-01-29 保土谷化学工業株式会社 シキソ ノ セイソクウホウホウ

Also Published As

Publication number Publication date
JPS544283B2 (enrdf_load_stackoverflow) 1979-03-05
DE2634987A1 (de) 1977-02-24
BE844962A (fr) 1976-12-01
DE2634987C2 (enrdf_load_stackoverflow) 1989-08-17
GB1529076A (en) 1978-10-18

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